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Files & Documents
61 appsFiles & Documents: Arrange
6 appsPDF · RemoveDelete PDF pagesPrivately remove page ranges, blank or duplicate pages, restore mistakes, and keep working bookmarks in a checked copy.PDF · ExtractExtract PDF pagesPrivately extract, reorder, and combine pages from multiple PDFs, group them by source, or package every page separately.PDF · OrganizeMerge PDFCombine selected pages, rebuild duplex scans, and add checked navigation without uploading your PDFs.PDF · OrganizeOrganize PDFDrag, select, duplicate, rotate, remove, and insert pages across PDFs in one private visual studio.PDF · OrganizeRotate PDFVisually select and permanently rotate any mix of PDF pages left, right, or 180 degrees.PDF · OrganizeSplit PDFSplit visually, by ranges, bookmarks, page count, or a measured file-size target.
Files & Documents: Optimize
2 appsFiles & Documents: Convert
22 appsPDF · ConvertDocument to PDFConvert ordered ODT and RTF documents into checked tagged, archival, accessible, or merged PDFs with professional publishing controls.PDF · ConvertEPUB to PDFConvert reflowable and fixed-layout EPUBs into private, selectable, navigable PDFs with book typography, page controls, covers, metadata, archival output, and ordered batches.PDF · ConvertExcel to PDFBatch-convert XLS, XLSX, ODS, CSV, and TSV spreadsheets into web-optimized, accessible, archival, one-page-per-sheet, or merged PDFs.PDF · ConvertHTML to PDFPaste or batch-render styled HTML as private, script-free, tagged, fidelity-checked PDFs with full print controls.PDF · ConvertHWP to PDFConvert HWP and HWPX documents into selectable, checked PDFs with Korean font fallback, page selection, archival output, metadata, watermarking, and ordered batch delivery.PDF · ConvertImages to PDFTurn mixed image formats into a precisely sized, quality-controlled, optionally searchable PDF without needless JPEG recompression.PDF · ExtractOCR PDFBatch-recognize scans in one or several languages as searchable PDF, archival PDF/A, editable Word, or verified text.PDF · ConvertODP to PDFConvert ordered ODP presentations into package-validated, fidelity-checked archival, accessible, merged, transition-preserving, or editable hybrid PDFs.PDF · ConvertODS to PDFConvert ordered ODS spreadsheets into package-validated, fidelity-checked, archival, accessible, merged, or editable hybrid PDFs.PDF · ConvertODT to PDFConvert ordered ODT documents into package-validated, fidelity-checked, archival, accessible, merged, or editable hybrid PDFs.PDF · ConvertPDF ConverterBatch-convert PDFs, documents, data files, ebooks, images, SVGs, and mixed ZIPs. Get checked PDF/A, Office, image, text, and PDF outputs.PDF · ScanPDF ScannerCapture or import pages, detect boundaries and quality issues, batch-enhance, arrange, and save a checked multi-page PDF.PDF · ConvertPDF to ExcelRecover compact tables, typed values, dates, headers, and scanned rows as checked Excel or CSV data.PDF · ConvertPDF to JPGBatch-export selected PDF pages as JPG, PNG, WebP, or TIFF with exact DPI controls, or recover original embedded images.PDF · ConvertPDF to PowerPointTurn selected PDF pages into aspect-safe, editable or pixel-exact PowerPoint slides with multilingual OCR, speaker notes, batch conversion, and an independent visual reopen check.PDF · ConvertPDF to textExtract complete, searchable text as clean TXT, structured Markdown, or page-aware JSON.PDF · ConvertPDF to WordBatch-convert selected PDF pages into checked DOCX or RTF files, with exact-layout and flowing-edit modes plus multilingual OCR for scans.PDF · ConvertPowerPoint to PDFBatch-convert PPT, PPTX, and ODP presentations into checked full-slide, speaker-note, or printable-handout PDFs with archival and accessibility profiles.PDF · ConvertRTF to PDFConvert ordered RTF documents into fidelity-checked, tagged, archival, accessible, or merged PDFs with professional publishing controls.PDF · ConvertText to PDFTurn pasted text or ordered multilingual text files into styled, tagged, fidelity-checked, archival, separate, or combined PDFs.PDF · ConvertWord to PDFBatch-convert DOC and DOCX files into web-optimized, accessible, archival, or merged PDFs with page, image, comment, bookmark, and watermark controls.PDF · ConvertZIP to PDFSafely unpack mixed and nested ZIP batches, keep successful conversions when a source fails, and create separate checked PDFs or one ordered document.
Files & Documents: Finish
16 appsPDF · EditAdd page numbersPreview and number any page range with cover, facing-page, format, type, color, offset, and viewer-label controls.PDF · AnalyzeAI PDF AssistantScope exact sources, summarize, compare, ask questions, translate, create quizzes, inspect evidence, and continue into PDF actions from one checked workspace.PDF · AnalyzeAI PDF SummarizerCreate audience-aware executive briefs, key points, section outlines, study guides, meeting notes, or risk reviews with checked page citations.PDF · GenerateAI Question GeneratorBuild editable, source-checked practice tests with five question formats, targeted difficulty and cognitive skills, live scoring, and LMS-ready exports.PDF · EditAnnotate PDFAdd sticky notes, review stamps, comments, highlights, drawings, text, callouts, images, arrows, and shapes.PDF · AnalyzeChat with PDFAsk across one or more PDFs, inspect checked evidence, and keep the answer beside an exact-page source preview.PDF · ResizeCrop PDFDrag precise crop handles, auto-trim white margins, and keep a different useful area on every page.PDF · EditEdit PDFAdd and revise text, links, images, visual covers, callouts, markup, drawings, lines, arrows, and shapes.PDF · EditFill PDF FormComplete real PDF fields, reuse form data, fill flat pages, and save an editable or permanently flattened copy.PDF · EditFlatten PDFInspect and flatten fields, annotations, layers, or complete pages with vector-safe, pixel-lock, page-range, and batch controls.PDF · ViewPDF ReaderRead aloud, resume, save pages, search, edit, organize, sign, and export PDFs from one private workspace.PDF · SignRequest SignaturesSend a checked PDF to up to five ordered signers with assigned fields, sender verification, private links, live status, and a final audit page.PDF · ShareShare PDFCreate an expiring encrypted link for a checked PDF, with a separate owner key for immediate deletion.PDF · SignSign PDFType, draw, or upload signatures, then place initials, dates, text, and confirmation symbols on any page.PDF · TranslateTranslate PDFTranslate every extracted page into a searchable reading-copy PDF, build a side-by-side bilingual copy, or create cited summaries and reviews with terminology control.PDF · EditWatermark PDFPreview and add text, logo, or combined watermarks with precise, mosaic, page-range, layer, and batch controls.
Files & Documents: Secure
3 appsPDF · ProtectProtect PDFProtect one PDF or a batch with AES-256, strong-password guidance, honest reader permissions, and proof that every copy opens only with the right password.PDF · ProtectRedact PDFFind or mark sensitive content, destroy the original data, and verify a clean disclosure copy.PDF · ProtectUnlock PDFRemove known opening passwords or owner restrictions from one PDF or a batch, without guessing credentials, and verify every encryption-free copy before download.
Files & Documents: Batch File Checks
2 appsFiles & Documents: File Identity
4 appsBinary file · CheckFile Extension CheckerFind a wrong or missing extension and see the file name that fits the detected type.Binary file · CheckFile MIME Type FinderOpen a binary file and get the MIME type and extension found by its signature.Binary file · CheckMagic Bytes ViewerSee the file header as hex and plain characters beside the detected binary type.Binary file · CheckTrue File Type InspectorCheck the bytes inside a file instead of trusting its name or browser label.
Files & Documents: Focused File Checks
6 appsBinary file · CheckArchive File Type CheckerRead the bytes to identify supported archives and package containers without unpacking them here.Binary file · CheckAudio File Type CheckerLook inside a file for a supported audio signature such as WAV, MP3, FLAC, AAC, or OGG.Binary file · CheckDocument File Type CheckerInspect supported document signatures, including PDF, DOCX, XLSX, PPTX, EPUB, and OpenDocument files.Binary file · CheckExecutable File Type CheckerCheck for supported executable signatures such as EXE, ELF, WebAssembly, class, and DEX files.Binary file · CheckImage File Type CheckerRead the bytes to spot PNG, JPEG, GIF, WebP, camera raw, and other supported image types.Binary file · CheckVideo File Type CheckerInspect the file signature for supported video containers such as MP4, WebM, MOV, AVI, and MKV.
Images & Design
292 appsImages & Design: Optimize
2 appsImage · CompressCompress ImageCompress one image or a batch to a quality goal or exact size, optionally resize and choose a modern format, then verify every result before download.Image · RemoveRemove Image MetadataInspect hidden location, device, time, author, and workflow data before removing it without losing image quality when the image container allows.
Images & Design: Resize & crop
3 appsImage · ResizeCrop ImageFrame up to 100 images with exact pixels, local composition guidance, shapes, orientation controls, delivery resizing, and verified reports.Image · ResizeResize ImageResize up to 100 images by width, height, exact box, percentage, longest edge, megapixels, or print size, then verify every result.Image · ResizeSocial Media ResizerBuild up to 120 current, channel-ready assets from one image or a batch with safe-area guides, focal control, custom sizes, and verified campaign reports.
Images & Design: Convert
6 appsImage · ConvertConvert to AVIFTurn up to 100 raster, HEIC, TIFF, GIF, APNG, or SVG sources into verified lossy, pixel-exact lossless, or size-capped AVIF with explicit chroma, color, alpha, frame, and page handling.Image · ConvertConvert to JPGTurn up to 100 PNG, WebP, AVIF, HEIC, TIFF, GIF, SVG, or JPG sources into precisely controlled, verified JPGs without dropping frames or pages.Image · ConvertConvert to PNGTurn up to 100 raster, HEIC, TIFF, GIF, APNG, or SVG sources into verified full-color, palette, high-precision, or animated PNGs without dropping frames or pages.Image · ConvertConvert to WebPTurn up to 100 raster, HEIC, TIFF, GIF, APNG, or SVG sources into verified lossy, near-lossless, exact, size-capped, or animated WebP without dropping alpha, frames, or pages.Image · ConvertHEIC to JPGTurn up to 100 HEIC or HEIF sources into share-safe, size-controlled, color-managed JPGs without losing collection images, orientation, alpha intent, or accountability.Image · ConvertSVG to PNGInspect and rasterize self-contained SVG artwork into exact, print, Retina, Apple, or Android PNG assets.
Images & Design: Edit
4 appsImage · ProtectBlur or Redact ImageRedact one image or a batch with movable rectangle or ellipse masks, reusable templates, irreversible cover, adjustable blur or pixelation, and verified privacy receipts.Image · EditFlip ImageMirror, transpose, or compose static and animated images with verified pixel geometry and batch reports.Image · OrganizeRotate ImageAuto-orient, straighten, mirror, and batch-rotate static or animated images to any exact angle.Image · EditWatermark ImageAdd verified text, logo, or mosaic watermarks to static and animated images with adaptive contrast and batch reports.
Images & Design: Create
1 appImages & Design: Patterns & Doodles
4 appsArt · GenerateDot Art GeneratorFill a square with big and small dots to make a fresh piece of computer art.Art · GeneratePattern Doodle MakerMix a grid, shapes, and colors to make playful art from a tiny bit of code.Art · GenerateShape Pattern MakerArrange circles, diamonds, and triangles into a colorful pattern in one click.Art · GenerateWallpaper Pattern Generator for KidsBuild a repeating wallpaper pattern with bright shapes and your favorite color pair.
Images & Design: 3D Art
4 appsArt · Generate3D Bug MakerBuild a bright little bug with six legs and turn it around on the screen.Art · Generate3D Planet Maker for KidsMake a tiny ringed planet, spin it around, and save a picture of your world.Art · GenerateCute 3D Character MakerCreate a simple round character, pick its colors, and turn it to every side.Art · GenerateSpinning 3D Shape MakerMake a round, friendly 3D shape that spins and moves when you drag it.
Images & Design: Isometric Art
4 appsArt · GenerateIsometric Block BuilderStack a field of blocks that looks 3D, even though it is drawn on a flat page.Art · GenerateIsometric House MakerDraw a tiny house with a roof and door, then save it as a picture.Art · GenerateIsometric Staircase MakerChoose the size and draw a clean staircase from bright isometric blocks.Art · GeneratePixel City Generator for KidsGrow a tiny city of tall and short buildings from a simple block grid.
Images & Design: Nature & Fractals
4 appsArt · GenerateFractal Plant MakerGrow a leafy plant shape by repeating a few turns and branches.Art · GenerateFractal Tree Generator for KidsGrow a branching tree by repeating one tiny drawing rule again and again.Art · GenerateKoch Snowflake MakerTurn one triangle rule into a detailed snowflake made with math.Art · GenerateL-System Rule ExplorerChange one short rule and watch straight lines turn into surprising art.
Images & Design: Avatars & Badges
4 appsSVG · GenerateClassroom Badge MakerCreate simple name badges for reading groups, tables, helpers, and classroom teams.SVG · GenerateName Avatar MakerTurn any name into a bright avatar without using a photo or making an account.SVG · GeneratePixel Avatar MakerMake a tiny pixel-style avatar from your name and favorite colors.SVG · GenerateTeam Avatar MakerMake a matching avatar set for a class team, club, family, or game group.
Images & Design: Ambient & Nature
8 appsPNG · CreateBokeh Particle Background MakerCreate large, slow circles that feel like out-of-focus lights behind your page content.PNG · CreateFirefly Night Background MakerScatter warm fireflies across a dark scene with slow wandering motion and soft size changes.PNG · CreateFloating Bubble Background MakerMake airy bubbles rise through a clean background for playful pages and underwater themes.PNG · CreateParticle Background DesignerBuild a calm animated particle background, try pointer effects, and export code-ready settings.PNG · CreateRain Particle Animation MakerMake quick falling rain lines for weather cards, dark pages, and moody scene backgrounds.PNG · CreateSnowfall Animation MakerSet the amount, size, and speed of a clean snowfall animation for winter pages and cards.PNG · CreateSoft Dust Mote Background MakerMake slow dust motes for gentle landing pages, stories, and quiet presentation backgrounds.PNG · CreateUnderwater Bubble Animation MakerCreate many small bubbles that drift upward through ocean colours with gentle collisions.
Images & Design: Stars & Space
5 appsPNG · CreateAurora Particle Background MakerMake soft teal and violet particles sweep sideways through a dark northern-sky scene.PNG · CreateCosmic Link Background MakerJoin drifting star points with faint lines to make an interactive cosmic map.PNG · CreateGalaxy Dust Background MakerBlend many tiny drifting particles into a rich galaxy-like field for science and story pages.PNG · CreateMeteor Shower Background MakerCreate angled meteor lines that move across a dark sky with an adjustable amount and speed.PNG · CreateStarfield Background MakerBuild a layered starfield with tiny bright points and calm motion for space-themed pages.
Images & Design: Networks & Tech
5 appsPNG · CreateCircuit Pulse Background MakerMake crisp square particles and short links for a circuit-board or digital-system look.PNG · CreateConnected Dots Background MakerMake a clean field of linked dots with colours and motion that fit almost any modern page.PNG · CreateConstellation Network MakerBuild a clean constellation-style network with linked stars and a pointer grab effect.PNG · CreateMolecule Particle Animation MakerCreate round particles with short bonds for chemistry lessons, lab pages, and science graphics.PNG · CreateNeural Network Background MakerCreate a busy linked-node animation for AI, data, research, and technology pages.
Images & Design: Celebrations & Symbols
5 appsPNG · CreateBirthday Sprinkle Background MakerScatter tiny lines and shapes for a bright birthday or celebration background.PNG · CreateConfetti Background MakerMix bright shapes into a cheerful falling confetti background for wins, launches, and parties.PNG · CreateEmoji Particle Background MakerCreate a moving field of friendly emoji for classroom, community, and social pages.PNG · CreateFloating Hearts Background MakerMake heart emoji float gently upward for thank-you pages, weddings, and kind messages.PNG · CreateHoliday Sparkle Background MakerMake small stars twinkle through a rich holiday scene without covering the page content.
Images & Design: Interactive Effects
4 appsPNG · CreateBubble Hover Effect MakerMake particles grow and brighten as the pointer moves over them for a gentle hover response.PNG · CreateClick-to-Add Particles MakerCreate a background that lets visitors add a small group of particles by clicking or tapping.PNG · CreateCursor Grab Network MakerMake a linked network that draws extra lines from nearby dots to the pointer.PNG · CreateCursor Repulse Background MakerBuild an interactive background where nearby dots move away from the mouse or finger.
Images & Design: Shapes & Brand
3 appsPNG · CreateBrand Particle Background MakerChoose two brand colours and a background, then export a polished animated backdrop for the web.PNG · CreateGeometric Particle Pattern MakerBuild a lively moving pattern from several simple shapes with optional links and pointer effects.PNG · CreateMonochrome Particle Background MakerMake a restrained one-colour particle field for professional pages and readable content areas.
Images & Design: Convert & Pick
4 appsColor · ConvertColor ConverterTurn a color into HEX, RGB, HSL, OKLCH, Lab, and Display P3 values you can copy.Color · CheckColor Name FinderEnter any color code and find the closest everyday, design, and paint-style color names.Color · ConvertHEX, RGB & HSL ConverterConvert common HEX, RGB, and HSL colors with a simple preview and clean copy buttons.Color · ConvertOKLCH Color PickerChoose lightness, color strength, and hue with simple sliders, then copy a browser-ready OKLCH color.
Images & Design: Palettes & Scales
3 appsColor · GenerateColor Palette GeneratorStart with one color and make a clear set of matching shades, soft tints, or balanced colors.Color · GenerateColor Scale GeneratorBlend two colors into even steps for charts, maps, heatmaps, and design tokens.Color · GenerateDistinct Color GeneratorCreate up to twenty colors that stay as different from each other as possible for charts and labels.
Images & Design: Compare & Check
3 appsColor · CheckAPCA Contrast CheckerCheck modern perceptual contrast for text and background colors, with a real text preview and plain guidance.Color · CheckColor Blindness SimulatorSee how one color may look with three common kinds of color-vision difference.Color · CheckColor Difference CheckerCompare two colors with a perceptual score and learn if most people can see the change.
Images & Design: Image Colors
2 appsImages & Design: Boxes & Joinery
7 appsDXF · GenerateDovetail Joint Template MakerSet the tail count, depth, and angle to draw a clear pair of mating dovetail strips.DXF · GenerateFinger Joint Fit Test MakerMake two small joint strips with stepped clearances so you can find the fit your cutter needs.DXF · GenerateLaser Kerf Test Comb MakerCreate a row of test gaps that change by a small amount, ready for a quick material fit check.DXF · GenerateLaser-Cut Finger Joint Box MakerSet the inside size and material thickness, then make a six-panel box template with matching finger edges.DXF · GenerateLaser-Cut Tabbed Tray TemplateCreate a flat tray layout with corner tabs and score lines for card, plastic, or thin wood.DXF · GenerateLiving Hinge Pattern MakerMake a staggered cut pattern for testing flexible bends in plywood, acrylic, card, or leather.DXF · GenerateTab-and-Slot Joint PlannerPlan repeated tabs and slots with a measured clearance for sheet material assemblies.
Images & Design: Panels & Fixtures
7 appsDXF · GenerateDrill Guide Template MakerMake a printable or cuttable strip with evenly spaced drill centres and a clean outer edge.DXF · GenerateElectronics Faceplate MakerCreate a rounded device faceplate with a display opening, control holes, and mounting holes.DXF · GenerateHoneycomb Panel Pattern MakerGenerate a measured honeycomb grid for vents, light panels, speaker covers, and craft projects.DXF · GeneratePegboard Panel MakerChoose a panel size, hole size, and spacing to create a ready-to-cut pegboard pattern.DXF · GenerateRounded Mounting Panel MakerMake a rounded rectangular panel with an exact corner radius, margin, and four mounting holes.DXF · GenerateSlotted Mounting Plate MakerDraw a plate with rows of rounded slots for parts that need room to slide and line up.DXF · GenerateVentilation Grille MakerCreate a rounded panel with evenly spaced horizontal or vertical slots for airflow.
Images & Design: Holes & Hardware
5 appsDXF · GenerateBolt Circle Template MakerSet a pitch circle, hole size, and count to create an exact circular drilling template.DXF · GenerateCable Label Tag MakerCreate a rounded label blank with matching cable holes at both ends.DXF · GenerateFlange & Gasket Template MakerCreate a circular flange or gasket outline with an inner opening and a measured bolt pattern.DXF · GenerateKeychain Blank Template MakerSet the blank size, corner roundness, and ring hole to create a simple keychain base.DXF · GenerateWasher & Spacer Sheet MakerMake a tidy grid of equal washers or spacers with your chosen inside and outside diameters.
Images & Design: Motion Parts
4 appsDXF · GenerateEccentric Cam Profile MakerBuild a smooth cam outline from a base radius, lift, nose angle, and shaft hole.DXF · GenerateLaser-Cut Gear Outline MakerDraw a clean gear-style outline for crafts, motion mockups, classroom models, and fit tests.DXF · GenerateRoller Chain Sprocket Outline MakerCreate a sprocket-style blank with roller guide circles for prototypes and classroom mechanisms.DXF · GenerateSpoked Pulley Template MakerCreate a circular pulley blank with a shaft hole and evenly spaced lightening holes.
Images & Design: Gauges & Shapes
7 appsDXF · GenerateArched Sign Blank MakerCreate a centred arch sign blank with optional hanging holes and an exact overall size.DXF · GenerateCorner Brace Plate MakerCreate a flat corner brace with adjustable legs, arm width, and evenly spaced screw holes.DXF · GenerateCorner Radius Gauge MakerMake a set of inside and outside curve samples that step through a chosen radius range.DXF · GenerateMetric Ruler Template MakerCreate a cuttable or printable metric ruler with short, medium, and long marks.DXF · GenerateRouter Circle Jig Template MakerCreate a long router jig with a pivot point and evenly spaced radius holes.DXF · GenerateShelf Bracket Template MakerSet the wall leg, shelf leg, web width, and screw holes to make a flat bracket profile.DXF · GenerateStar & Polygon Template MakerChoose a star or polygon, then set its point count, size, centre hole, and rotation.
Images & Design: Path Cleanup
4 appsSVG · OptimizeSVG Curve FlattenerReplace SVG curves with short straight lines for cutters, plotters, and simple geometry.SVG · OptimizeSVG Path DoctorCheck an SVG path, remove empty points, and rewrite it as clean, compact path data.SVG · OptimizeSVG Path SimplifierReduce extra SVG path points while keeping the same overall curve and shape.SVG · OptimizeSVG Path SmootherSmooth sharp changes between SVG path points to make a cleaner flowing curve.
Images & Design: Shape Operations
4 appsSVG · EditSVG Shape Intersection ToolKeep only the area where two closed SVG paths overlap.SVG · EditSVG Shape Subtract ToolUse the second SVG path to cut a clean hole or piece from the first path.SVG · EditSVG Shape Union MakerCombine two overlapping SVG paths into one solid vector shape.SVG · EditSVG Shape XOR ToolKeep the parts of two SVG shapes that do not overlap, leaving the shared area open.
Images & Design: Inspect & Measure
1 appImages & Design: View & Explore
3 appsGeoJSON · ViewGeoJSON Cluster Map ExplorerGroup a large point set as you zoom, then open each cluster to see its points.GeoJSON · ViewInteractive GeoJSON Map ViewerOpen GeoJSON on a smooth map, inspect shapes, and save the current view.GeoJSON · ViewInteractive Map Coordinate PickerClick places on a map, copy their longitude and latitude, or download every point as GeoJSON.
Images & Design: Style & Explain
5 appsGeoJSON · CreateGeoJSON 3D Height Map MakerTurn a number field into 3D polygon heights and view the data from any angle.GeoJSON · CreateGeoJSON Choropleth Map MakerShade GeoJSON polygons from low to high using any number field in the data.GeoJSON · CreateGeoJSON Label Map MakerShow a text property as labels above GeoJSON points, lines, and areas.GeoJSON · CreateGeoJSON Map Style DesignerChange point, line, and polygon colours, sizes, and opacity on a live map.GeoJSON · CreatePoint Heatmap MakerTurn GeoJSON points into a smooth heatmap and control its reach and strength.
Images & Design: Make & Export
2 appsImages & Design: Plan & Inspect
2 appsImages & Design: Processes & Flows
3 appsDiagram · CreateFlowchart MakerWrite simple steps and decisions, then download a clean flowchart as SVG or PNG.Diagram · CreateSequence Diagram MakerMap messages between people, apps, and services in the order they happen.Diagram · CreateUser Journey Map MakerMap what a person does and score how each step feels from one to five.
Images & Design: Plans & Timelines
2 appsImages & Design: Ideas & Systems
3 appsDiagram · CreateClass Diagram MakerShow classes, their fields and actions, and how they connect in a software system.Diagram · CreateER Diagram MakerTurn database tables, fields, and links into a clear entity-relationship diagram.Diagram · CreateMind Map MakerStart with one idea and branch it into plans, notes, questions, or study topics.
Images & Design: Animated Text
5 appsArt · GenerateAnimated Classroom Announcement MakerReveal a field trip, class goal, celebration, or daily message with a quick surprise.Art · GenerateColorful Letter Animation MakerTurn a short phrase into a calm parade of colorful moving letters.Art · GenerateDancing Name Animator for KidsType a name and give each letter a friendly wave, hop, fan, or color step.Art · GenerateLetter Wave Animation MakerMake the letters in a short phrase rise and fall one after another.Art · GenerateSecret Message Reveal Maker for KidsTurn a short message into dancing symbols that slowly reveal the real words.
Images & Design: Animation Makers
18 appsArt · GenerateAnimated Title Maker for KidsMake a short title pop in, slide across, or turn gently for a story, video, or class project.Art · GenerateAnimation Effect Picker for KidsPreview clear bounce, fade, slide, zoom, flip, and turn effects on one simple object.Art · GenerateBouncing Ball Animation Maker for KidsWatch a ball squash, stretch, rise, and land, then change the frames to make your own bounce.Art · GenerateBubble Pop Animation Maker for KidsTap to make pond, soap, or fizzy bubble rings move outward and fade gently.Art · GenerateClay Animation Maker for KidsPhotograph small changes to a clay model and play them as a smooth, colorful animation.Art · GenerateFacial Expression Animator for KidsMake a smile grow, show a big surprise, or build a friendly wink with clear face shapes.Art · GenerateLEGO Stop-Motion Studio for KidsMove a brick character a tiny bit, take each picture, and turn the frames into a short movie.Art · GenerateMagic Wand Sparkle Maker for KidsMake moon, fairy, or forest sparkles follow a short curly trail from the wand tip.Art · GenerateMotion Effect Sequence Maker for KidsShow ready-set-go, seed-to-bloom, or story beats as three small motion steps.Art · GenerateObject Spin Animation Maker for KidsTurn a shoe, model, or craft a little at a time and make a looping view of every side.Art · GeneratePaper Cutout Stop-Motion for KidsMove flat paper characters between pictures to make a bird, boat, or garden scene come alive.Art · GenerateSelf-Drawing Picture Maker for KidsPick a rocket, cat, or castle and turn its lines into a clear drawing animation.Art · GenerateShape Motion Animator for KidsSend circles, squares, stars, crosses, or lines outward and control their motion.Art · GenerateShape Tween Animation Lab for KidsMove and resize a shape, then add three automatic frames between two poses to study smooth motion.Art · GenerateStar Burst Animator for KidsBuild a gold, galaxy, or rainbow star burst and control how far the stars travel.Art · GenerateSwirl Trail Animation Maker for KidsMake a comet, leaf breeze, or ribbon trail that bends instead of moving straight.Art · GenerateVector Flipbook Animator for KidsBuild a short frame-by-frame movie with smooth vector shapes, a clear timeline, and ready-made ideas.Art · GenerateWalk Cycle Planner for KidsExplore an easy walk, a big march, or quiet tiptoe steps with a simple six-frame character.
Images & Design: Avatar Sets
3 appsSVG · GenerateAvatar Seed ComparisonCompare up to twelve seeds in one style before you choose a profile image.SVG · GenerateAvatar Variation GridMake twelve repeatable variations from one base seed and one art style.SVG · GenerateMatching Profile Set MakerCreate up to twelve matching avatars for a team, family, class, or game group.
Images & Design: Avatar Styles
11 appsSVG · GenerateAbstract Shape Avatar MakerBuild a repeatable abstract avatar from circles, blocks, and simple shapes.SVG · GenerateGlass Avatar GeneratorCreate a colourful glass-style avatar that repeats from the same seed.SVG · GenerateIdenticon Avatar GeneratorMake a simple five-by-five identity pattern from any safe seed.SVG · GenerateInitials Profile Picture MakerTurn a name into a clean initials picture for a profile, class, or team.SVG · GenerateNotion-Style Avatar MakerCreate a simple line-drawn character for notes, profiles, or a personal page.SVG · GenerateOpen Peeps Avatar MakerBuild a friendly hand-drawn person from a repeatable private seed.SVG · GeneratePixel Art Avatar GeneratorCreate a crisp pixel-art avatar that stays the same for the same seed.SVG · GeneratePrivate Avatar StudioTurn a word or name into a repeatable avatar in ten friendly art styles.SVG · GenerateRing Avatar GeneratorTurn any seed into a balanced set of coloured rings for a profile image.SVG · GenerateSimple Icon Avatar MakerCreate a repeatable icon-style profile image from one short seed.SVG · GenerateThumb Face Avatar MakerCreate a small friendly thumb-style character from a name or seed.
Images & Design: Celebration Effects
3 appsText · CheckCelebration Badge Animator for KidsMake a great-effort, kind-choice, or finished badge move once with no sound.Text · CheckConfetti Burst Maker for KidsMake a birthday, great-job, or team-win confetti burst and choose its colors and size.Text · CheckTap Fireworks Maker for KidsTap anywhere on the stage to launch a quiet firework with colorful shapes and no sound.
Images & Design: Coloring & Printables
3 appsPrintable · GeneratePhoto to Coloring Page Converter for KidsOpen a clear picture and make a simple printable outline that is ready for crayons or markers.Printable · GenerateShadow Puppet Pattern Maker for KidsTurn a clear side-view picture into a printable shadow puppet shape with a simple handle tab.Printable · GenerateSimple Stencil Maker for KidsTurn a clear picture into a simple black-and-white stencil for paper, chalk, or paint projects.
Images & Design: Comics & Characters
4 appsText · GenerateComic Character Maker for KidsPick a face and pose to make a friendly comic character.Printable · GenerateComic Classroom Rules Poster for KidsCreate one bright character poster with a short classroom rule.Text · GenerateComic Expression Maker for KidsTry happy, curious, surprised, and worried faces in a comic.Text · GenerateComic Pose Maker for KidsShow a character reading, pointing, thinking, or celebrating.
Images & Design: Containers
5 appsSTL · Generate3D Divided Organizer MakerBuild a printable organizer with rows and columns for small parts.STL · Generate3D Lidded Box MakerMake a box and lid as two printable parts with a clearance that you choose.STL · Generate3D Pen Cup MakerChoose the cup width, height, and wall size to make a printable desk holder.STL · Generate3D Printable Box MakerSet the size and wall thickness, then download a real model ready for your slicer.STL · Generate3D Storage Tray MakerChoose the tray size and rounded corners, then export the printable model.
Images & Design: Creative Coding
3 appsArt · GenerateTurtle Rosette MakerRepeat a little square many times and watch it bloom into a flower-like rosette.Art · GenerateTurtle Spiral Art MakerTurn a growing list of forward steps into a smooth square spiral made with code.Art · GenerateTurtle Star Pattern MakerPick an odd number of points and let the turtle repeat one turn to draw a star.
Images & Design: Drawing Tools
2 appsImages & Design: Emoji Tools
2 appsImages & Design: Game Art Tools
1 appImages & Design: GIF Makers
1 appImages & Design: Home & Hobby
7 appsSTL · Generate3D Cookie Cutter MakerPick a shape and size to build a hollow cutter with a thicker hand-safe rim.STL · Generate3D Dice Model MakerChoose the die size, corner roundness, and pip depth for a printable model.STL · Generate3D Door Wedge MakerChoose the length, width, and rise to make a solid printable wedge.STL · Generate3D Funnel MakerChoose the bowl, tube, and wall sizes to build a hollow printable funnel.STL · Generate3D Key Tag Blank MakerCreate a smooth tag blank that you can print as-is or label in another 3D app.STL · Generate3D Phone Stand MakerSet the phone width, stand depth, and viewing angle to make a printable desk stand.STL · Generate3D Plant Pot MakerSet the top, base, and height to make a hollow printable plant pot.
Images & Design: Logo & Badge Makers
1 appImages & Design: Math & Dot Art
3 appsArt · GenerateDot Wave AnimatorSend smooth waves across 256 dots and change their direction, spacing, and speed.Art · GenerateMath Dot Art PlaygroundTurn one small math rule into moving art made from a 16 by 16 grid of dots.Art · GenerateSymmetry Dot Art MakerMirror one tiny dot rule to make a balanced pattern with two, four, or many matching parts.
Images & Design: Name Art
1 appImages & Design: Name Design Tools
1 appImages & Design: Painting & Drawing
11 appsArt · GenerateColoring Page Painter for KidsChoose a sunny garden, friendly rocket, or mountain camp page and tap inside each space to color it.Text · GenerateComic Panel Sketcher for KidsSketch a short story inside three ready-made panels with colors, shapes, fill, undo, and a PNG download.Emoji · CheckFeelings Color Canvas for KidsPick calm or bright colors and make a private picture about your energy, weather, or a restful place.Art · GenerateFour-Way Symmetry Art for KidsDraw near the center and grow balanced snowflakes, flowers, badges, and patterns in four directions.Art · GenerateMirror Drawing Maker for KidsDraw half a butterfly, robot, mask, or creature and let the canvas make the matching other side.Art · GeneratePaint Studio for KidsUse one clear canvas with brushes, a fill bucket, shape stamps, undo, redo, and a private PNG download.Art · GeneratePattern Tile Maker for KidsDraw one tile with dots, leaves, shapes, or lines and see it repeat nine times in a live preview.Art · GeneratePixel Art Painter for KidsMake a game hero, fruit, house, or tiny scene on a large pixel grid with fill, erase, undo, and PNG save.Art · GenerateRainbow Doodle Pad for KidsDrag a smooth brush and watch it travel through bright rainbow colors while every doodle stays on your device.Art · GenerateShape Stamp Studio for KidsTap circles, squares, triangles, stars, and hearts onto a clean canvas, then add lines and save the art.Text · GenerateStory Scene Painter for KidsLoad a tree door, glowing island, or Moon garden starter and add characters, weather, clues, and color.
Images & Design: Parts & Hardware
8 appsSTL · Generate3D Cable Clip MakerChoose the cable size and clip depth to make a printable open ring with a flat base.STL · Generate3D Cable Grommet MakerSet the desk hole, cable opening, and flange to build a printable grommet.STL · Generate3D Hollow Tube MakerChoose the outside diameter, inside hole, and length for a printable tube.STL · Generate3D Knob MakerSet the grip and center hole sizes for a printable control or drawer knob.STL · Generate3D L-Bracket MakerSet the bracket size, thickness, and screw holes for a printable corner support.STL · Generate3D Printer Calibration Cube MakerChoose the exact cube size and optional center holes for quick print measurements.STL · Generate3D Washer & Spacer MakerSet the outside, inside, and thickness for a printable washer or spacer.STL · Generate3D Wheel MakerSet the wheel, hub, and axle sizes for a printable toy or project part.
Images & Design: Pattern Makers
1 appImages & Design: Pixel Art & Animation
12 appsArt · GenerateAnimated Game Tile Maker for KidsUse two-color pixels to make water, lava, grass, or a glowing cave floor move across four frames.Art · GenerateGame Coin Animation Maker for KidsEdit a bright spinning coin, gem, badge, or prize and watch the widths flip smoothly in a game-ready loop.Art · GenerateMagic Spell Sprite Maker for KidsShape six spark frames into a star, ring, shield, or colorful spell effect and save the loop as a GIF.Emoji · CheckPixel Face Animation Maker for KidsEdit eyes and mouths on four friendly face frames, then play the reaction and download a private GIF.Art · GeneratePixel Fire Animation Maker for KidsMove warm flame colors and rising sparks one frame at a time, then tune the speed of the campfire loop.Text · GeneratePixel Flipbook Maker for KidsStart with a bouncing ball, copy or add frames, and turn small changes into a simple digital flipbook.Art · GeneratePixel Pet Animation Maker for KidsMove paws, ears, and a tail across four frames to build a cheerful pet, creature, or tiny dragon loop.Emoji · CheckPixel Reaction Maker for KidsChange four reaction frames to make a heart beat, a star shine, or a cheerful sign pop and sparkle.Art · GeneratePixel Sprite Animator for KidsPaint a friendly robot across small frames, use onion skin and a live preview, then save a GIF or sprite sheet.Art · GeneratePixel Water Animation Maker for KidsEdit four blue water frames to make a stream, pond, rain strip, or game tile flow in a gentle loop.Art · GenerateSprite Sheet Maker for KidsEdit a tiny spaceship across several frames, preview its engine glow, and download a tidy PNG sprite sheet.Art · GenerateWalking Character Animator for KidsChange a ready-made pixel walk cycle, add clothes or a backpack, and preview the steps at game speed.
Images & Design: Pixel Art & Game Tiles
4 appsArt · GenerateGame Tileset Pack Maker for KidsEdit a small game tile and automatically build light, shadow, and shifted partners inside one tidy PNG sheet.Art · GenerateHex Pixel Tile Maker for KidsPaint one friendly hex tile and see it repeat into a honeycomb map for bees, space, weather, or board games.Art · GenerateIsometric Game Tile Maker for KidsDraw a top-down tile and watch it become an isometric grass island, road, pond, or floating treasure platform.Art · GenerateSeamless Pixel Pattern Maker for KidsPaint a tiny square, wrap it sideways or up and down to fix its edges, and save a clean repeating wallpaper preview.
Images & Design: Pixel Art Effects
8 appsArt · GenerateClean Pixel Rotate Tool for KidsRotate a rocket or local picture in small steps, compare every angle, and download a sharp nearest-neighbor result.Art · GeneratePixel Art Outline Maker for KidsDraw or choose a local picture, pick a border color and thickness, and preview a sharp pixel outline instantly.Art · GeneratePixel Art Scale-Up Tool for KidsChoose a scale from 2× to 8×, draw or open a local picture, and save a crisp enlarged PNG without smoothing.Art · GeneratePixel Color Reducer for KidsDraw or open a local picture, choose from two to eight colors, and see a simpler game-style version right away.Art · GeneratePixel Gradient Map Maker for KidsPick a shadow and highlight color to change a pixel scene into moonlight, sunset, deep sea, or a new color world.Art · GeneratePixel Light and Shade Painter for KidsBrush small amounts of light or shadow onto a pixel shape and learn how artists show depth without blurry colors.Art · GeneratePixel Palette Swap Studio for KidsTry bright, forest, sunset, and ocean colors on the same art, then save your favorite private PNG and palette.Art · GeneratePixel Symmetry Lab for KidsSwitch between side, top, four-way, and diagonal mirrors to make masks, bugs, snowflakes, and magic badges.
Images & Design: Pixel Art Tools
1 appImages & Design: Pixel Sculptures
4 appsArt · GeneratePixel Castle Builder for KidsRaise walls and corner towers from hundreds of little cubes to make a tiny castle.Art · GeneratePixel Creature Sculpture MakerBuild a friendly block creature with tiny feet, bright eyes, and pointy ears.Art · GeneratePixel Gem Sculpture MakerStack tiny isometric cubes into a colorful gem and save it as pixel art.Art · GeneratePixel Landscape SculptorGrow a small block island with low ground, hills, and a bright mountain top.
Images & Design: Planning Tools
2 appsImages & Design: Poster Tools
1 appImages & Design: Posters & Cards
1 appImages & Design: Presentation Tools
1 appImages & Design: Profile Picture Shapes
6 appsSVG · GenerateAvatar Background Colour MakerPut a repeatable avatar on a solid or two-colour background you choose.SVG · GenerateMirrored Avatar MakerCreate a repeatable avatar and mirror its pose for the layout you need.SVG · GenerateRotated Avatar MakerRotate a repeatable avatar from minus 180 to 180 degrees without uploading a photo.SVG · GenerateRound Profile Picture MakerMake a clean round avatar that is ready for a social or team profile.SVG · GenerateSquare Profile Picture MakerCreate a square profile picture with a repeatable style, seed, and background.SVG · GenerateTransparent Avatar MakerCreate a repeatable avatar on a clear background for slides, pages, and designs.
Images & Design: Prototype Tools
3 appsArt · GenerateButton Feedback Animation Previewer for KidsTest a short motion for saved, try-again, or favorite buttons in a class project.Text · CheckCelebration Button Effect Maker for KidsPreview a Done, Level Up, or Kind Choice button with one clear celebration effect.Art · GenerateLoading Motion Maker for KidsBuild a dot, color-ring, or jumping-block wait motion for a class project or game.
Images & Design: Shape & Diagram Tools
2 appsImages & Design: Simple Drawing Boards
5 appsArt · GenerateDoodle Postcard Maker for KidsMake a trip, thank-you, or hello postcard with a drawing space, tiny stamp box, and simple address lines.Art · GenerateFree Toddler Sketch PadPick one bright color and make loops, roads, dots, and giant scribbles with extra-large tools and no clutter.Emoji · CheckFunny Face Doodle Board for KidsChoose a round face, long face, or robot and add eyes, hair, eyebrows, a mouth, and wild details.Text · GenerateStory Scene Drawing Board for KidsStart with a forest door, Moon garden, or sea castle and add a character, problem, and surprising clue.Text · GenerateTreasure Map Sketch Board for KidsChoose an island, mountain, or space map, then add a path, clues, danger, landmarks, and treasure.
Images & Design: Story Planning
1 appImages & Design: Story Tools
1 appImages & Design: SVG Tools
1 appImages & Design: Vector Picture Tools
7 appsArt · GenerateClub Logo Cleaner for KidsOpen a one-color team or club badge and make a clean SVG that can grow without fuzzy edges.Art · GenerateDrawing to SVG Converter for KidsOpen a dark drawing on light paper and turn the marks into one smooth, scalable vector picture.Art · GenerateHandwriting to SVG Converter for KidsOpen a photo of bold writing, clear away the paper, and save the letters as a sharp SVG.Art · GenerateRubber Stamp Art Maker for KidsTurn a sun, apple, smile, or your own simple picture into bold one-color stamp art.Art · GenerateSilhouette Maker for KidsOpen a picture with one clear subject and turn it into a strong black or colorful silhouette.Art · GenerateSticker Outline Maker for KidsTrace a simple picture and add a bold edge that stays crisp for homemade sticker projects.Art · GenerateThree-Color Poster Maker for KidsOpen a picture and turn its dark, middle, and light parts into bold layered poster art.
Images & Design: Visual Learning
1 appMarketing & Business
17 appsMarketing & Business: Links & Codes
1 appMarketing & Business: Retail & Publishing
3 appsEAN-13 · GenerateEAN-13 Barcode GeneratorCreate a checked 13-digit EAN retail barcode with the correct guard bars and readable number.ISBN · GenerateISBN Barcode GeneratorTurn an ISBN-13 into a Bookland EAN barcode, with an optional five-digit price add-on.UPC-A · GenerateUPC-A Barcode GeneratorCreate a UPC-A retail code for products sold in Canada and the United States.
Marketing & Business: Logistics & Industry
5 appsCodabar · GenerateCodabar GeneratorCreate a Codabar barcode for older library, laboratory, blood bank, and tracking systems.Code 128 · GenerateCode 128 Barcode GeneratorTurn letters, numbers, and common marks into a sharp Code 128 barcode for labels and tracking.GS1-128 · GenerateGS1-128 Barcode GeneratorMake a GS1-128 code with application identifiers for products, batches, dates, and shipments.ITF-14 · GenerateITF-14 Barcode GeneratorCreate a 14-digit ITF-14 barcode with bearer bars for cartons and shipping cases.Pharmacode · GeneratePharmacode GeneratorCreate a one-track Pharmacode value for pharmaceutical package checks and production lines.
Marketing & Business: 2D Codes
3 appsAztec · GenerateAztec Code GeneratorCreate an Aztec code for tickets, passes, links, and documents without a wide quiet border.Data Matrix · GenerateData Matrix Code GeneratorCreate a compact Data Matrix code for parts, documents, medical items, and tiny labels.PDF417 · GeneratePDF417 Barcode GeneratorCreate a stacked PDF417 barcode for IDs, tickets, transport, and larger text values.
Marketing & Business: Print Sheets
1 appMarketing & Business: Reviews & Reputation
1 appMarketing & Business: Documents & Billing
1 appMarketing & Business: Search & Social
2 appsPricing & Profitability
44 appsPricing & Profitability: Core Pricing
4 appsCalculator · CalculateBreak-Even Appointments CalculatorFind the appointments, weekly hours, and calendar fill needed to cover fixed and per-visit costs.Calculator · CalculateBreak-Even Units & Revenue CalculatorFind the sales units and revenue needed to cover fixed costs at your current price and unit cost.Calculator · CalculatePrice Increase SimulatorTest a new price, expected client loss, revenue change, and the smallest increase that still protects income.Calculator · CalculateService Pricing & Profit CalculatorBuild a service price from labour, product cost, overhead, card fees, no-show risk, and the profit you want to keep.
Pricing & Profitability: Packages & Memberships
2 appsCalculator · CalculateMembership Pricing CalculatorSet a monthly membership price from included visits, benefits, expected use, and a safe target margin.Calculator · CalculatePackage Pricing CalculatorPrice a multi-session package without giving away the margin that pays for delivery and unused capacity.
Pricing & Profitability: Promotions
3 appsTemplate · GenerateBulk Discount Code GeneratorCreate a batch of unique discount codes with your own prefix, pattern, and easy-to-read character set.Template · GenerateGift Certificate GeneratorCreate a printable gift certificate with a unique code, value, recipient, message, and expiry date.Calculator · CalculatePromotion and Discount Profit CalculatorSee how many extra bookings a discount must create before the promotion earns more profit than doing nothing.
Pricing & Profitability: Payments
8 appsCalculator · CalculateCash Drawer Reconciliation CalculatorCompare the cash that should be in the drawer with the amount you counted.Calculator · CalculateDeposit Refund CalculatorApply a clear refund percentage and fee to a paid deposit, with every amount shown.Planner · CalculateExact Payment Plan Schedule BuilderSplit a balance into dated payments without losing or inventing a cent.Calculator · CalculateInvoice Aging Bucket AnalyzerPaste unpaid invoices and see what is current, late, and oldest in one clean table.Calculator · CalculateInvoice Collection Time AnalyzerSee how long paid invoices took to turn into cash.Calculator · CalculateLate Payment Fee CalculatorEstimate a fixed and percentage late fee with grace days and a clear maximum cap.Calculator · CalculatePayment Processing Fee CalculatorCompare card pricing plans using percentage fees, fixed fees, monthly charges, refunds, and real transaction volume.Calculator · CalculateProportional Refund AllocatorSpread one refund across order items in proportion to their value, down to the final cent.
Pricing & Profitability: Gift Cards
1 appPricing & Profitability: Owner Planning
1 appPricing & Profitability: Client Value
1 appPricing & Profitability: Clinic Fees
1 appPricing & Profitability: Decision Statistics
2 appsPricing & Profitability: Events
1 appPricing & Profitability: Fees & Policies
1 appPricing & Profitability: Forecasting
3 appsCalculator · CalculateRecent-Weighted Sales Forecast CalculatorGive recent sales more weight when the latest periods matter most.Calculator · CalculateRevenue Trend Projection CalculatorFit a straight trend to past revenue and project the next few periods.Planner · CalculateSales Target Breakdown PlannerTurn one monthly sales goal into daily, staff, and client targets that are easy to explain.
Pricing & Profitability: Goals & Targets
1 appPricing & Profitability: Home Services
1 appPricing & Profitability: Memberships
3 appsCalculator · CalculateMembership LTV and Churn ModelerSee how monthly churn, margin, acquisition cost, and new members change lifetime value over time.Calculator · CalculateMembership Proration CalculatorPrice a partial billing cycle by active days and show the exact remaining-cycle charge.Calculator · CalculatePrepaid Credit Ledger CalculatorTrack top-ups and charges against a prepaid client balance without floating-point drift.
Pricing & Profitability: Packages
1 appPricing & Profitability: Pay & Tips
1 appPricing & Profitability: Pricing Analytics
1 appPricing & Profitability: Rent vs Commission
1 appPricing & Profitability: Reports
1 appPricing & Profitability: Revenue Analytics
3 appsCalculator · CalculateAverage Ticket Distribution AnalyzerSee the typical sale and how order values are spread out.Calculator · CalculateClient Revenue Concentration AnalyzerLearn how much revenue comes from your biggest clients.Calculator · CalculateService Mix Revenue AnalyzerSee which services bring in the most bookings and revenue.
Pricing & Profitability: Revenue Sharing
2 appsPricing & Profitability: Tax
1 appScheduling & Retention
44 appsScheduling & Retention: Capacity Planning
3 appsCalculator · CalculateAppointment Capacity CalculatorFind the realistic number of weekly appointments your team can deliver after breaks, buffers, admin, and time off.Calculator · CalculateBooking Duration Consistency CalculatorMeasure how steady or spread out your real booking times are.Calculator · CalculateCalendar Utilization CalculatorMeasure how much useful calendar capacity is filled and separate booked time from paid, completed work.
Scheduling & Retention: Retention
2 appsCalculator · CalculateRebooking Rate CalculatorMeasure rebooking, find the revenue gap, and set a realistic checkout and follow-up target.Calculator · CalculateWaitlist Recovery CalculatorEstimate how much a usable waitlist can recover from cancellations without overbooking or mass messaging everyone.
Scheduling & Retention: Schedule Design
2 appsPlanner · CalculateAppointment Buffer-Time PlannerChoose a buffer that covers reset work and protects the day without quietly removing too much bookable capacity.Template · GenerateRecurring Appointment Schedule GeneratorCreate a clear sequence of future appointment dates while handling cadence, preferred weekday, and planned breaks.
Scheduling & Retention: Appointment Planning
1 appScheduling & Retention: Billing
1 appScheduling & Retention: Calendar Rules
2 appsScheduling & Retention: Camps & Programs
1 appScheduling & Retention: Classes
4 appsCalculator · CalculateClass Capacity and Profit CalculatorSet class size and price from instructor, room, platform, and per-attendee costs, then see the break-even headcount.Planner · CalculateClass Schedule PDF MakerTurn class rows into a clean weekly schedule table that is ready to print or download as a PDF.Planner · CalculateClass Series Date ListerCreate a run of weekly class dates, skip holidays, and download the full series as a calendar.Planner · CalculateTerm & Semester Date CalculatorList every session date from a start date, number of weeks, weekday, and school breaks.
Scheduling & Retention: Demand Statistics
3 appsCalculator · CalculateNo-Show Count Probability CalculatorEstimate the chance of reaching a chosen no-show count in a block of bookings.Planner · CalculateService Time Percentile PlannerChoose a schedule length that covers a clear share of ordinary service times.Calculator · CalculateStaffing Demand Probability CalculatorEstimate the chance that hourly arrivals will be more than your team can handle.
Scheduling & Retention: Events
1 appScheduling & Retention: Forecasting
3 appsCalculator · CalculateMoving Average Demand Forecast CalculatorUse the latest demand numbers to make a steady short-term forecast.Calculator · CalculateSimple Bookings ForecasterPaste monthly booking history and estimate the next three months with a clear trend and confidence range.Calculator · CalculateWeekly Seasonality Index CalculatorFind which spots in a repeating week run above or below normal.
Scheduling & Retention: Group Scheduling
1 appScheduling & Retention: Operations
1 appScheduling & Retention: Payroll
1 appScheduling & Retention: Program Planning
1 appScheduling & Retention: Resources
1 appScheduling & Retention: Retention Analytics
2 appsScheduling & Retention: Rooms & Equipment
1 appScheduling & Retention: Salons & Spas
1 appScheduling & Retention: Schedule Analysis
2 appsScheduling & Retention: Schedule Analytics
3 appsCalculator · CalculateBooking Lead Time AnalyzerLearn how far ahead clients book each service.Calculator · CalculateCancellation & No-Show Pattern AnalyzerFind where cancellations and no-shows happen most often.Calculator · CalculateWeekday Revenue AnalyzerFind the weekdays that bring in the most paid work.
Scheduling & Retention: Staff Records
1 appScheduling & Retention: Staff Scheduling
3 appsPlanner · CalculateBreak Rule Shift CheckerPaste shifts and your own verified break rules to flag rows that need a longer planned break.Planner · CalculateFree Staff Rota SolverMatch available staff to required shifts while respecting each person’s maximum weekly hours.Template · GenerateShift Swap Request MakerCreate a clear shift-swap request with both shifts, both workers, and manager sign-off details.
Scheduling & Retention: Team Calendars
2 appsScheduling & Retention: Team Planning
1 appMarketing & Reputation
41 appsMarketing & Reputation: Booking Links
1 appMarketing & Reputation: Business Writing
1 appMarketing & Reputation: Campaign Analytics
1 appMarketing & Reputation: Campaign Links
2 appsMarketing & Reputation: Campaigns
1 appMarketing & Reputation: Client Care
1 appMarketing & Reputation: Client Notices
1 appMarketing & Reputation: Decision Statistics
5 appsCalculator · CalculateA/B Conversion Comparison CalculatorCompare two conversion rates and see whether the gap is clear or still noisy.Calculator · CalculateConversion Rate Confidence Range CalculatorTurn one conversion rate into a fair range that shows sample uncertainty.Planner · CalculatePercentage Sample Size PlannerEstimate how many responses you need for a percentage with a chosen margin.Calculator · CalculateReview Rating Confidence Range CalculatorShow how much an average star rating may move when the review count is still small.Calculator · CalculateSurvey Margin of Error CalculatorSee how much a survey percentage may move because only part of the group answered.
Marketing & Reputation: Email
2 appsMarketing & Reputation: Growth
1 appMarketing & Reputation: Local Marketing
1 appMarketing & Reputation: Local Presence
1 appMarketing & Reputation: Local SEO
1 appMarketing & Reputation: Print Marketing
1 appMarketing & Reputation: QR Codes
1 appMarketing & Reputation: Reports & Analytics
1 appMarketing & Reputation: Retention Messages
1 appMarketing & Reputation: Reviews & Reputation
2 appsTemplate · GenerateReview Request Message GeneratorCreate a short, honest review request for email or SMS with a direct link and no pressure or incentives.Template · GenerateReview Response GeneratorDraft a calm, specific response to positive, mixed, or difficult feedback without sharing private client details.
Marketing & Reputation: Service Marketing
2 appsTemplate · GeneratePrintable Price List MakerTurn a simple service list into clean client-ready copy with durations, prices, and booking details.Template · GenerateService Description GeneratorWrite a useful booking-page description that explains who the service is for, what happens, timing, and the next step.
Marketing & Reputation: Social Media
3 appsTemplate · GenerateInstagram Bio GeneratorWrite a short, readable bio that says what you do, where you work, who you help, and how to book.Template · GenerateInstagram Grid PlannerPreview up to twelve safe image links in a feed grid and download one simple HTML planning board.Template · GenerateSocial Announcement Card MakerCreate a simple branded announcement card as one responsive HTML file for screenshots or sharing.
Marketing & Reputation: Website
11 appsTemplate · GenerateBefore and After Slider EmbedTurn two safe image links into a responsive, keyboard-friendly comparison slider for any website.Template · GenerateBusiness Hours HTML GeneratorCreate a readable hours table and matching openingHoursSpecification schema from a weekly schedule.Template · GenerateCookie Banner GeneratorCreate a small, accessible cookie notice for essential-only or optional analytics setups.Template · GenerateFAQ Schema GeneratorTurn question-and-answer pairs into valid FAQPage JSON-LD and an accessible HTML details list.Template · GenerateLink-in-Bio Page BuilderCreate a clean mobile link page and download it as one HTML file you can host anywhere.Template · GenerateMaintenance & 404 Page GeneratorBuild a branded single-file page for maintenance, a missing page, or a temporary closure.Template · GenerateMap Embed & Directions BuilderCreate an OpenStreetMap embed plus Google Maps and Apple Maps direction links for one address.Template · GenerateMeta & Open Graph Tag GeneratorCreate title, description, canonical, Open Graph, and social card tags for any page.Template · GenerateOpen Now Hours Widget GeneratorCheck an OpenStreetMap hours rule and create a small Open now badge for any website.Template · GeneratePromotion Countdown EmbedBuild a small accessible countdown for a sale, enrollment deadline, launch, or special event.Template · GenerateSitemap XML GeneratorTurn a list of website pages into a clean sitemap.xml file with optional dates and priorities.
Client Communication & Forms
41 appsClient Communication & Forms: Forms & Agreements
5 appsTemplate · GenerateClient Intake Form GeneratorCreate a short intake form with only the contact, preference, safety, and consent questions the service needs.Template · GenerateConsent Form BuilderDraft a plain-language consent template that explains the service, choices, common risks, questions, and withdrawal.Template · GenerateLiability Waiver BuilderCreate a readable participation waiver template with activity details, assumptions, emergency choices, and signatures.Template · GenerateOn-Screen Waiver Signature PageCreate a private waiver page with readable terms, participant details, a signature pad, timestamp, and print-to-PDF record.Template · GeneratePhoto and Media Release GeneratorCreate a separate, optional photo release with clear media choices, purpose, duration, withdrawal, and guardian details.
Client Communication & Forms: Booking Messages
2 appsTemplate · GenerateAppointment Reminder Sequence GeneratorBuild a confirmation, early reminder, and final reminder that reduce confusion without repeating the same long message.Template · GenerateBooking Confirmation Message GeneratorCreate a confirmation that makes the service, time, location, preparation, payment, and change link easy to scan.
Client Communication & Forms: Retention Messages
3 appsTemplate · GenerateClient Win-Back Message GeneratorWrite a respectful return invitation for inactive clients with a relevant reason to come back and no guilt language.Template · GenerateRebooking Message GeneratorCreate a timely rebooking note based on the service cadence without pretending the client is overdue or creating pressure.Template · GenerateWaitlist Opening Message GeneratorOffer a newly opened time to the right clients with a clear expiry, fair claim rule, and direct booking link.
Client Communication & Forms: Aftercare & Follow-Up
1 appClient Communication & Forms: Camp Admin
1 appClient Communication & Forms: Camp Communication
1 appClient Communication & Forms: Camps & Schools
3 appsTemplate · GenerateAllergy and Medical Summary CardsTurn participant medical rows into clear kitchen and first-aid summary cards for printing.Template · GenerateCamp Week One-Page HandoutCreate one parent handout with the week’s schedule, contacts, packing reminders, and pickup details.Template · GeneratePermission Slip MakerCreate a simple parent permission slip with trip details, emergency contact fields, and typed sign-off.
Client Communication & Forms: Client Handouts
2 appsClient Communication & Forms: Client Insights
2 appsClient Communication & Forms: Client Messages
1 appClient Communication & Forms: Clinical Notes
1 appClient Communication & Forms: Consulting
1 appClient Communication & Forms: Data & Admin
1 appClient Communication & Forms: Documents
2 appsClient Communication & Forms: Education
2 appsClient Communication & Forms: Email
2 appsClient Communication & Forms: Forms
1 appClient Communication & Forms: Incident Records
1 appClient Communication & Forms: Pet Services
1 appClient Communication & Forms: Phone
1 appClient Communication & Forms: Policies
2 appsClient Communication & Forms: Safety Cards
1 appClient Communication & Forms: Staff Forms
1 appClient Communication & Forms: Team Documents
2 appsClient Communication & Forms: Text Messages
1 appSpecialty Tools
65 appsSpecialty Tools: Beauty & Personal Care
2 appsCalculator · CalculateEsthetician Backbar Cost CalculatorMeasure the per-treatment cost of every cleanser, mask, serum, disposable, and machine consumable.Calculator · CalculateSalon Colour and Product Cost CalculatorPrice colour services from formula grams, product cost, developer, waste, processing time, labour, and overhead.
Specialty Tools: Clinics & Medspas
1 appSpecialty Tools: Creative Services
2 appsCalculator · CalculatePhotography Package Pricing CalculatorPrice a photography package using planning, shoot, travel, editing, delivery, usage, expenses, and target margin.Calculator · CalculateTattoo Session and Deposit CalculatorQuote a session and deposit from design time, chair time, supplies, artist rate, no-show risk, and rescheduling policy.
Specialty Tools: Pet Services
3 appsCalculator · CalculateDog Age CalculatorEstimate a dog’s human-age stage using age and adult size instead of the old seven-times rule.Planner · CalculatePet Feeding Schedule MakerSplit a vet-approved daily food amount into simple meals with times and per-meal portions.Calculator · CalculatePet Grooming Quote CalculatorBuild a grooming quote from pet size, coat condition, service time, supplies, handling complexity, and add-ons.
Specialty Tools: Fitness & Movement
2 appsCalculator · CalculatePersonal Trainer Package CalculatorPrice a training package from coaching time, programming, check-ins, facility cost, payment risk, and package discount.Calculator · CalculateYoga and Pilates Class-Pass CalculatorPrice class passes from drop-in value, expected use, expiry, instructor and room cost, and the margin you need.
Specialty Tools: Lessons & Education
1 appSpecialty Tools: Mobile Services
1 appSpecialty Tools: Camp Activities
2 appsSpecialty Tools: Camp Admin
2 appsSpecialty Tools: Camps & Education
1 appSpecialty Tools: Camps & Events
1 appSpecialty Tools: Camps & Programs
3 appsPlanner · CalculateAttendance Sheet GeneratorPaste a roster and make a clean daily or weekly attendance table you can print as a PDF.Template · GenerateCamp Packing List BuilderBuild a short packing checklist from trip length, weather, laundry access, and special activities.Calculator · CalculateT-Shirt Size TallyPaste a roster with names and sizes to get order totals, a buffer plan, and a clean size table.
Specialty Tools: Camps & Schools
3 appsPlanner · CalculateCabin and Group Assignment OptimizerBalance camper ages and group sizes while trying to keep friends together and keep-apart requests separated.Planner · CalculateCarpool CoordinatorMatch riders with nearby volunteer drivers using coordinates, seat counts, and one repeatable plan.Template · GenerateLive Rainy-Day Backup PlannerCreate a small live forecast page that pairs outdoor plans with clear indoor backups for the next week.
Specialty Tools: Clinic Admin
1 appSpecialty Tools: Clinical Scoring
1 appSpecialty Tools: Data & Admin
5 appsCalculator · CalculateBulk Phone Number FormatterPaste phone numbers and turn valid entries into E.164 and readable national formats by country.Calculator · CalculateDuplicate Client FinderPaste a client CSV and review likely duplicate names, emails, and phone numbers with fuzzy matching.Calculator · CalculateMailing List SplitterFilter a CSV by any column and download the matching segment as a clean table.Template · GenerateReport Table to PDF MakerPaste a spreadsheet table and turn it into a clean branded report with a title, note, and PDF download.Template · GeneratevCard Batch GeneratorTurn a contacts CSV into standard vCard records that can be imported by phones and address books.
Specialty Tools: Events
4 appsTemplate · GenerateAV & Equipment ChecklistCreate a practical equipment, setup, test, backup, and pack-down checklist for an event.Planner · CalculateGuest Seating Chart MakerAssign guest groups to balanced tables while trying to honor keep-with and keep-apart requests.Template · GenerateNumbered Ticket Stub DesignerCreate a batch of numbered ticket stubs with event details, tear-off codes, and sheet positions.Template · GenerateOffline QR Ticket and Check-in KitCreate signed QR tickets plus a private browser check-in list with manual entry and supported-camera scanning.
Specialty Tools: Fitness
10 appsTemplate · Generate30-Day Challenge Tracker PosterCreate a printable challenge grid with a goal, start date, daily action, and 30 check-off spaces.Calculator · CalculateBody Weight vs Load ChartCompare body weight with training load over time and see the load-to-body-weight ratio for each session.Calculator · CalculateBody-Fat Calipers CalculatorEstimate body-fat percentage from Jackson-Pollock 3-site or 7-site skinfold measurements.Planner · CalculateClass Playlist BPM PlannerPlan class phases with target BPM ranges, minutes, and energy cues before building the playlist.Template · GenerateInterval and Tabata Timer BuilderSet rounds, work, rest, warm-up, and cool-down, then download a huge-display timer that works offline.Calculator · CalculatePlate Loading CalculatorTurn a target barbell weight into the exact plates needed on each side for common gym plate sets.Calculator · CalculatePrivate Measurement TrackerCompare body measurements over time with a local CSV table, totals, changes, and trend checks.Planner · CalculateStudio Floor PlannerEstimate how many mats, bikes, chairs, or stations fit with wall margins and aisle space.Calculator · CalculateVO2max EstimatorEstimate aerobic fitness from a 12-minute Cooper run or a one-mile Rockport walk.Planner · CalculateWorkout Plan Builder with 868 ExercisesFilter a public-domain exercise library by level, equipment, and muscles, then build a repeatable weekly plan.
Specialty Tools: Home Services
3 appsTemplate · GenerateBefore and After Job Photo ReportArrange safe photo links, captions, client details, and work notes into a clean printable HTML report.Calculator · CalculateMileage Log GeneratorTurn trip rows into a clean mileage log with business totals and an optional reimbursement estimate.Planner · CalculateRoute Order OptimizerPaste up to 25 latitude and longitude stops and get a shorter visit order using local route math.
Specialty Tools: Inventory
1 appSpecialty Tools: Money & Admin
1 appSpecialty Tools: Photography
3 appsCalculator · CalculateGolden Hour CalculatorFind morning and evening golden hour, blue hour, sunrise, and sunset for a date and location.Calculator · CalculatePrint Size & DPI CalculatorConvert pixel dimensions into print size, DPI, and common frame-fit guidance.Template · GenerateShot List BuilderTurn event details and chosen moments into a printable, phone-friendly photography checklist.
Specialty Tools: Reports & Admin
3 appsCalculator · CalculateBusiness Data Skewness AnalyzerSee whether a number list has a long high side, low side, or balanced shape.Calculator · CalculateBusiness Data Summary Statistics CalculatorTurn a number list into one clean page of useful summary measures.Calculator · CalculateBusiness Metric Outlier FinderPaste a list of numbers and flag values that sit far outside the middle spread.
Specialty Tools: Retail
1 appSpecialty Tools: Salons & Spas
1 appSpecialty Tools: Staff & Operations
1 appSpecialty Tools: Team Operations
2 appsSpecialty Tools: Tutors & Education
2 appsSpecialty Tools: Wellness
2 appsText & Writing
138 appsText & Writing: Entities & Contacts
11 appsText · ExtractEmail Address ExtractorFind email addresses in a pasted note, list, or document and remove repeats.Text · ExtractMailing Address ExtractorPull likely English street-address phrases from contact notes and pasted text.Text · ExtractOrganization Name ExtractorPull likely company, school, team, and organization names from pasted text.Text · ExtractPeople Name ExtractorPull likely people names from notes, articles, messages, or pasted text.Text · ExtractPerson Name Parts ParserFind likely people names and separate honorifics, first names, and last names.Text · ExtractPhone Number ExtractorFind phone-number patterns in English contact text and list each match once.Text · ExtractPlace Name ExtractorList likely place names found in English text without sending it to an AI service.Text · ExtractQuotation ExtractorFind quoted passages in notes, interviews, articles, and copied messages.Text · ExtractSocial Handle & Hashtag ExtractorCollect @mentions and #hashtags from posts, briefs, and community notes.Text · ExtractText Entity ExtractorBuild one clear entity list with likely people, places, and organizations.Text · ExtractWeb Link ExtractorFind likely website links in a block of English text and make a clean list.
Text & Writing: Numbers & Dates
7 appsText · ExtractDate & Time Mention ExtractorList likely dates, times, weekdays, months, seasons, and durations in English text.Text · AnalyzeDigits to Number WordsChange numeric values such as 42 and 1,250 into English number words.Text · AnalyzeFraction to Percentage Text ConverterTurn fractions such as one fourth and 3/5 into percentage text inside a passage.Text · ExtractMoney Amount ExtractorList likely currency amounts written with words, symbols, or common currency names.Text · ExtractNumber Extractor from TextFind numbers written as digits or English words and show the parsed values.Text · AnalyzeNumber Words to DigitsChange recognized English number words such as twelve and five hundred into digits.Text · ExtractPercentage ExtractorPull percentage values from reports, notes, and copied tables written as text.
Text & Writing: Grammar Finder
13 appsText · ExtractAcronym & Abbreviation ExtractorList likely acronyms and abbreviations such as NASA, Dr., and Inc.Text · ExtractAdjective FinderPull likely adjectives from English sentences and remove repeat matches.Text · ExtractAdverb FinderList likely adverbs that describe how, when, or where actions happen.Text · AnalyzeGrammar Summary ReportSee sentence, noun, verb, adjective, adverb, pronoun, and entity totals in one report.Text · AnalyzeGrammar Tag Confidence CheckerShow compromise's average tagging confidence and terms with fewer tag clues.Text · ExtractNoun Phrase FinderHighlight likely noun phrases instead of counting single words one by one.Text · AnalyzeNoun Phrase Frequency CounterRank likely noun phrases by how often they appear in an English passage.Text · AnalyzePart-of-Speech TaggerInspect the likely grammar tags for every term in a short English passage.Text · ExtractPronoun FinderList likely English pronouns such as she, they, it, and ourselves.Text · ExtractQuestion Extractor from TextPull question sentences from interviews, FAQs, transcripts, and meeting notes.Text · AnalyzeSentence Type AnalyzerGroup complete sentences by their likely punctuation and sentence type.Text · ExtractVerb Phrase FinderList likely verb phrases, including helpers and nearby adverbs where recognized.Text · AnalyzeVerb Tense AnalyzerFind likely verb phrases and group them by tense for a quick writing check.
Text & Writing: Tense & Rewrite
7 appsText · ConvertContraction ExpanderExpand contractions such as isn't, we'll, and they've in an English passage.Text · ConvertContraction MakerTurn suitable phrases such as is not and we will into common contractions.Text · ConvertFuture Tense Text ConverterChange recognized English verbs to future tense with clear will-based forms.Text · ConvertMake Sentences NegativeAdd likely negative verb forms to English sentences for writing and language practice.Text · ConvertMake Sentences PositiveTurn recognized negative verb phrases into positive English sentences.Text · ConvertPast Tense Text ConverterChange recognized English verbs to past tense while keeping the full passage.Text · ConvertPresent Tense Text ConverterChange recognized English verbs to present tense and show the whole rewritten passage.
Text & Writing: Privacy & Cleanup
7 appsText · ConvertContact Detail RedactorReplace likely contact details while leaving the rest of the passage readable.Text · ConvertEnglish Text NormalizerNormalize common spacing, Unicode, punctuation, and text-form issues with English-aware rules.Text · ConvertOrganization Name RedactorReplace recognized organizations with [ORGANIZATION] and keep the sentence structure.Text · ConvertPerson Name RedactorReplace recognized people names with [PERSON] while keeping other words in place.Text · ConvertPlace Name RedactorReplace recognized cities, countries, and regions with a simple [PLACE] label.Text · ConvertText Entity RedactorReplace likely people, places, organizations, emails, phones, and addresses with clear labels.Text · ScanText Privacy ScanCount likely names, places, organizations, emails, phones, addresses, and links before sharing text.
Text & Writing: Word Forms
5 appsText · ConvertComparative Adjective MakerChange recognized adjectives to forms such as quicker, brighter, and more careful.Text · ConvertPlural Noun ConverterChange recognized English noun phrases to plural forms in the full passage.Text · ConvertSingular Noun ConverterChange recognized plural noun phrases to singular forms in the full passage.Text · ConvertSuperlative Adjective MakerChange recognized adjectives to forms such as quickest, brightest, and most careful.Text · ConvertVerb Conjugation Table MakerTurn verbs found in a sentence into infinitive, past, present, gerund, and future forms.
Text & Writing: Stories & Prompts
5 appsText · GenerateAdventure Prompt GeneratorMake a brave quest with a hero, a curious place, and one big problem to solve.Emoji · GenerateEmoji Story PromptGet a row of picture clues that can start a silly new story.Text · GenerateFunny Name Generator for KidsMake playful names for characters, pets, robots, wizards, and make-believe places.Text · GeneratePoem Starter GeneratorGet a first line, a feeling, and three words to help your poem begin.Text · GenerateSilly Story GeneratorMix heroes, places, problems, and surprises into a story starter you can finish.
Text & Writing: Count & Analyze
4 appsText · CountCharacter CounterCount real characters, spaces, bytes, emoji, and words, then check common writing limits.Text · CountLine CounterCount total, filled, blank, and unique lines, with line lengths and a numbered preview.Text · CountReading Time CalculatorEstimate reading and speaking time, then check reading level and sentence complexity.Text · CountWord CounterCount words, sentences, paragraphs, reading time, vocabulary, and readability as you type.
Text & Writing: Read & Focus
2 appsText & Writing: Extract & Convert
2 appsText & Writing: Inspect
1 appText & Writing: Convert & Clean
4 appsText · SortAlphabetizerSort lines, words, or paragraphs A to Z, Z to A, naturally, or by length.Text · FormatCase ConverterChange text to sentence, title, upper, lower, camel, snake, kebab, and other useful cases.Text · RemoveRemove Duplicate LinesRemove repeated lines, words, paragraphs, or custom-separated items while keeping their order.Text · GenerateSlug GeneratorTurn a title into a clean, readable URL slug with length, separator, and word controls.
Text & Writing: Compare
1 appText & Writing: 8-Bit Learning Arcade
1 appText & Writing: Clear & Strong
4 appsTXT · CheckPassive Voice CheckerSpot passive voice so you can make sentences clearer and more direct.TXT · CheckPlain Language CheckerFind long or formal phrases and see simpler words you can use instead.TXT · CheckRedundant Acronym CheckerFind phrases like “PIN number” where the last word is already part of the acronym.TXT · CheckWeak Words FinderFind vague, unsure, or empty words that can make a sentence lose power.
Text & Writing: Comics & Characters
6 appsText · GenerateComic Dialogue Practice for KidsWrite a friendly question and answer across two comic panels.Text · GenerateComic Story Prompt Card for KidsMix a character, face, and pose into a ready writing prompt.Text · GenerateComic Storyboard Maker for KidsPut six comic moments in order before writing a longer story.Text · GenerateFour-Panel Comic Strip Maker for KidsMake a beginning, problem, big moment, and ending.Text · GenerateSpeech Bubble Comic Maker for KidsBuild one clear comic scene with a speech bubble and caption.Text · GenerateTwo-Character Comic Scene for KidsPlace two characters together and write a short conversation.
Text & Writing: Comics & Writing
2 appsText & Writing: Creative Writing
5 appsText · GenerateFairy-Tale Branch Maker for KidsBuild a magical tale with helpers, surprises, and different happy endings.Text · GenerateInk Dialogue Tree Writer for KidsGive a character different replies and test how each answer changes the talk.Text · GenerateInk Mystery Story Coder for KidsCollect clues with a story variable and reveal a different mystery ending.Text · GenerateInteractive Dialogue Tree Maker for KidsBuild a conversation where each reply opens a different next scene.Text · GenerateMystery Path Story Maker for KidsPlant clues in different scenes and let the reader choose how to solve the case.
Text & Writing: Feelings & Friendship
1 appText & Writing: Find & Extract
9 appsMarkdown · ExtractMarkdown Code Block ExtractorList code blocks, language labels, line counts, and safe previews from Markdown.Markdown · ExtractMarkdown Image Reference ExtractorList every Markdown image with its path, title, alt text, and source line.Markdown · ExtractMarkdown Link ExtractorFind link text, web addresses, titles, and line numbers without opening any link.Markdown · ExtractMarkdown List InspectorList every ordered and bullet item with its depth, number, source line, and visible text.Markdown · ExtractMarkdown Outline ViewerTurn every heading into a clear nested outline with levels and anchor names.Markdown · ExtractMarkdown Quote ExtractorFind block quotes, their text, line numbers, and word counts in a Markdown document.Markdown · ExtractMarkdown Table ExtractorFind Markdown tables and turn each row into a clear structured result.Markdown · ExtractMarkdown Table of Contents GeneratorBuild a nested, copyable table of contents from the headings in a Markdown document.Markdown · ExtractMarkdown Task List CounterFind - [ ] and - [x] tasks, show progress, and list each task without changing the file.
Text & Writing: Flipbooks & Stories
1 appText & Writing: Grammar & Punctuation
7 appsTXT · CheckA or An CheckerCheck whether a sentence needs “a” or “an,” including words and numbers.TXT · CheckAccent Mark CheckerCheck familiar names and borrowed words that may need marks like é, ç, or ö.TXT · CheckContraction Apostrophe CheckerFind missing or misplaced apostrophes in contractions such as “isn’t” and “y’all.”TXT · CheckQuote Style CheckerFind straight and curly quote marks that do not match the style you choose.TXT · CheckRepeated Words FinderFind words that repeat by mistake, even when they sit on two different lines.TXT · CheckSentence Spacing CheckerFind the wrong number of spaces between sentences and fix them in one click.TXT · ConvertSmart Punctuation ConverterChange straight quotes, typed dashes, and three dots into clean punctuation marks.
Text & Writing: Interactive Stories
6 appsText · GenerateBranching Story Maker for KidsBuild an interactive story where every reader choice opens a new scene.Text · GenerateChoose-Your-Own-Adventure Maker for KidsPlan a brave quest with paths, helpers, problems, and more than one ending.Text · GenerateInk Adventure Script Maker for KidsBuild a rescue quest that remembers supplies, points, and brave choices.Text · GenerateInk Interactive Fiction Maker for KidsWrite a choice story in simple ink code and play every path right away.Text · GenerateInk Playable Story Publisher for KidsTest an ink story and save a private web page that plays on its own.Text · GenerateSpace Adventure Choice Maker for KidsSend a crew to a new world and write choices about science and teamwork.
Text & Writing: Learning Quests
1 appText & Writing: Poetry & Writing
1 appText & Writing: Posters & Cards
1 appText & Writing: Preview & Convert
4 appsMarkdown · ViewMarkdown PreviewerPaste Markdown and see a safe, styled preview with headings, lists, links, code, and tables.Markdown · ViewMarkdown Reading Time CalculatorEstimate reading time from visible prose while code blocks are counted more slowly.Markdown · ConvertMarkdown to Plain Text ConverterTurn Markdown into readable plain text while keeping paragraph and code breaks.Markdown · ViewMarkdown Word CounterCount visible words, characters, paragraphs, headings, and code without counting Markdown marks.
Text & Writing: Quality Checks
4 appsMarkdown · CheckMarkdown Heading CheckerCheck for a missing H1, level jumps, empty headings, and duplicate anchor names.Markdown · CheckMarkdown Image Alt Text CheckerCheck every Markdown image for useful alt text and flag blank or filename-only labels.Markdown · CheckMarkdown Link Syntax CheckerCheck Markdown links for blank addresses, unsafe schemes, spaces, and missing labels without visiting them.Markdown · CheckMarkdown Structure ReportMake one report for headings, paragraphs, links, images, lists, tables, code, quotes, and tasks.
Text & Writing: Respectful Writing
2 appsText & Writing: Story Planning
1 appText & Writing: Story Starters
1 appText & Writing: Study & Vocabulary
1 appText & Writing: Systems Thinking
1 appText & Writing: Visual Novels
6 appsText · GenerateChoice Scene Visual Novel Maker for KidsBuild one big choice and show what each path can change.Text · GenerateFairy-Tale Visual Novel Maker for KidsMake a magical problem, meet a helper, and write a bright ending.Text · GenerateMystery Visual Novel Maker for KidsWrite clue scenes that lead the reader to one fair solution.Text · GenerateSpace Visual Novel Maker for KidsWrite a space signal story where teamwork guides each choice.Text · GenerateTwo-Character Visual Novel for KidsWrite a clear conversation and let the reader choose a reply.Text · GenerateVisual Novel Maker for KidsWrite scenes, add choices, and play your story like a game.
Text & Writing: Writing Helpers
2 appsText & Writing: Writing Planners
2 appsCareer & Jobs
6 appsCareer & Jobs: Resume & Applications
4 appsText · AnalyzeFree ATS Resume CheckerCheck whether a hiring system can understand your resume and get clear fixes for sections, wording, length, and results.Letter · GenerateFree Cover Letter BuilderCreate a focused cover letter from your real experience, with clear tone and length choices and an editable result.Resume · CreateFree Resume BuilderBuild a polished, ATS-friendly resume with simple guided sections, a live preview, and a clean PDF export.Text · AnalyzeResume & Job Description MatcherCompare your resume with a job posting, find the skills already covered, and see honest gaps worth addressing.
Career & Jobs: Professional Brand
2 appsVideo & Audio
115 appsVideo & Audio: Full Editor
1 appVideo & Audio: Audio to MIDI
4 appsMIDI · ConvertAudio to MIDI ConverterFind several notes at once in an instrument recording and download an editable MIDI file.MIDI · ConvertGuitar Audio to MIDI TranscriberTurn a clean guitar take into bend-aware MIDI for editing in a music app.MIDI · ConvertHum to MIDI Melody MakerTurn humming, whistling, or a solo voice into one clean MIDI melody you can edit.MIDI · ConvertPiano Audio to MIDI TranscriberTranscribe piano recordings as polyphonic MIDI with useful note and velocity detail.
Video & Audio: See the Notes
2 appsVideo & Audio: Music Analysis
4 appsJSON · AnalyzeAudio Chord Timeline MakerTurn simultaneous transcribed notes into a simple chord timeline with times and note spellings.JSON · AnalyzeAudio Key Finder from NotesTranscribe a clear instrument recording and compare its note weights with major and minor key profiles.JSON · AnalyzeAudio Pitch Bend ExtractorFind expressive pitch movement inside notes and download bend-aware MIDI or detailed JSON.JSON · AnalyzeVocal Range Finder from AudioAnalyze a solo voice recording to estimate its note range, span, centre, and most-used pitches.
Video & Audio: Scores & Timing
2 appsVideo & Audio: Edit
15 appsVideo · EditAdd Video TransitionJoin two clips with a polished dissolve and matching audio crossfade.Video · EditChange Video SpeedSlow down or speed up video and keep the audio in sync without changing its pitch.Video · ResizeCrop VideoCrop with clear percentage controls while keeping the result inside valid video dimensions.Video · TrimCut VideoCut a video down to the useful section without learning a timeline editor.Video · EditFade Video In and OutAdd clean picture fades at the start and end with matching audio fades when sound is present.Video · EditFlip VideoFlip footage horizontally or vertically for cameras, choreography, and corrected orientation.Video · EditFreeze Last Video FrameHold the final frame for a chosen number of seconds so calls to action have time to land.Video · EditLoop VideoRepeat a clip two to twenty times and export one continuous video.Video · OrganizeMerge VideosArrange and join up to twelve clips with normalized dimensions and dependable audio handling.Video · RemoveRemove Part of a VideoRemove one unwanted section and join the parts before and after it into one continuous video.Video · EditReverse VideoReverse both picture and sound for short clips, reveals, reactions, and creative loops.Video · OrganizeRotate VideoRotate left, right, upside down, or to an exact angle with the full frame preserved.Video · OrganizeRotate Video 90 DegreesTurn a sideways recording 90 degrees clockwise and save it with broad playback support.Video · OrganizeSplit VideoDivide a long video into equal timed clips and download every checked part in one ZIP.Video · TrimTrim VideoSet an exact start and end time, preview the selection, and export a clean new clip.
Video & Audio: Resize & layout
15 appsVideo · ConvertAdd Padding to VideoAdd even space around footage with a chosen color and exact output dimensions.Video · EditBlur Video BackgroundFill a new frame with a soft version of the video behind the sharp original.Video · EditChange Video Aspect RatioSwitch among popular ratios with fit, fill, and background choices that stay easy to understand.Video · EditChange Video ResolutionExport at 480p, 720p, 1080p, 1440p, or 4K with the original aspect ratio preserved.Video · EditMake Video LandscapePrepare footage in a standard 16:9 landscape frame for sites and presentations.Video · AnalyzeMake Video PortraitConvert landscape or square footage into a clean 4:5 portrait frame.Video · EditMake Video SquareA balanced 1:1 frame for feeds, storefronts, and profile posts.Video · ResizeResize VideoSet an exact width and height, then fit or fill the frame with no mystery stretching.Video · ResizeResize Video for FacebookCreate a versatile 4:5 Facebook feed video that uses more mobile screen space.Video · ResizeResize Video for Instagram PostsCreate a feed-friendly 4:5 Instagram video without guessed dimensions.Video · ResizeResize Video for Instagram ReelsCreate a sharp 9:16 Reel while preserving the important part of the frame.Video · ResizeResize Video for LinkedInCreate a professional 1:1 video that fits the LinkedIn feed cleanly.Video · ResizeResize Video for TikTokCreate a 9:16 TikTok-ready video with safe, even framing.Video · ResizeResize Video for YouTubeCreate a playback-ready 16:9 YouTube video at Full HD dimensions.Video · ResizeResize Video for YouTube ShortsCreate a vertical 9:16 Short with predictable framing and playback settings.
Video & Audio: Audio
28 appsVideo · ConvertAdd Audio to VideoAdd music or narration and keep any existing sound at a level you control.Video · MixAdjust Video VolumeRaise or lower the soundtrack from complete silence to twice its original level.Audio · CompressAudio CompressorReduce audio size with clear quality presets, optional mono speech mode, and modern formats that still sound good.Audio · ConvertAudio ConverterConvert among MP3, M4A, WAV, OGG, Opus, and FLAC with useful quality, channel, and sample-rate choices.Audio · MixAudio JoinerArrange up to twelve audio files, join them cleanly, and add a short crossfade when you want smoother transitions.Audio · MixAudio Noise RemoverReduce fans, room hiss, electrical hum, and low rumble with three plain-language cleanup levels built for speech and everyday recordings.Audio · MixAudio Pitch ChangerShift music or voices by exact semitones, while keeping the original timing when you need a clean practice track.Audio · MixAudio RecorderUse your microphone, see the live sound level and timer, review the take, then save a checked MP3, M4A, WAV, OGG, Opus, or FLAC.Audio · MixAudio Speed ChangerSlow audio down to learn and transcribe, or speed it up to review faster, with an option to keep voices sounding natural.Audio · TrimAudio TrimmerTrim MP3, M4A, WAV, OGG, Opus, or FLAC by exact time, smooth the edges, and choose the best output format.Audio · MixAudio Volume ChangerQuiet down or boost a recording, with peak protection that helps prevent harsh clipping when you turn it up.Video · ConvertConvert Stereo Video to MonoCombine left and right channels into centered mono audio for speech and compatibility.Video · MixDelay Video AudioMove the soundtrack later by milliseconds to correct lip-sync and capture timing problems.Video · MixExtract Audio from VideoKeep a high-quality M4A copy of the complete soundtrack.Video · MixFade In Video AudioBring sound in smoothly over the opening seconds while leaving the picture unchanged.Video · MixFade Out Video AudioLower sound smoothly over the closing seconds while leaving the picture unchanged.Video · MixKeep Part of Video AudioKeep sound inside one chosen time range and silence the soundtrack everywhere else.Video · MixMix Audio with VideoBlend a voiceover, music bed, or ambient track with the video soundtrack.Audio · TrimMP3 CutterChoose the exact start and end, add optional soft fades, and save a clean MP3 without touching the original.Video · EditMute Part of a VideoMute an exact section while keeping the rest of the video soundtrack intact.Video · MixNormalize Video AudioBalance overall loudness to a clear online-video target while protecting peaks.Video · MixRemove Audio from VideoCreate a silent, broadly compatible MP4 while leaving your original untouched.Video · MixReplace Video AudioRemove the original soundtrack and replace it with an uploaded audio file.Video · ConvertVideo to M4AExport compact AAC audio with strong quality and broad device support.Video · ConvertVideo to MP3Turn a video soundtrack into a widely compatible MP3.Video · ConvertVideo to OGGExport an open OGG Vorbis audio file for web and desktop use.Video · ConvertVideo to WAVExport uncompressed PCM audio for editing and archiving.Audio · RemoveVocal RemoverReduce center-panned vocals from stereo music, keep useful low-end weight, and export an instrumental-style practice copy.
Video & Audio: Convert & compress
16 appsVideo · ConvertChange Video BitrateSet an explicit video bitrate for predictable streaming and storage needs.Video · ConvertChange Video Frame RateConvert footage to a standard frame rate for delivery, animation, or editing compatibility.Video · CompressCompress VideoChoose a visual quality goal and make a smaller, web-ready copy with measured savings.Video · ConvertConvert Video to AV1Create a next-generation AV1 WebM for modern playback.Video · ConvertConvert Video to AVICreate a compatibility-focused AVI for older desktop workflows.Video · ConvertConvert Video to H.264Encode with the most broadly supported modern video codec.Video · ConvertConvert Video to H.265Encode more efficiently with HEVC for compatible devices.Video · ConvertConvert Video to MKVCreate a flexible Matroska video with modern H.264 and AAC streams.Video · ConvertConvert Video to MOVCreate a high-quality MOV for Apple and editing workflows.Video · ConvertConvert Video to MP4Create a fast-start H.264 MP4 that plays almost everywhere.Video · ConvertConvert Video to VP9Create an efficient open WebM for web delivery.Video · ConvertConvert Video to WebMCreate an open VP9 and Opus WebM for modern browsers.Video · ConvertGIF to VideoTurn an animated GIF into a looping, broadly compatible MP4.Video · OptimizeReduce Video File SizeSet a target size and receive a bitrate-planned MP4 that stays as close as practical.Video · RemoveRemove Video MetadataRemove container titles, comments, locations, device notes, and other metadata without changing the streams.Video · ConvertVideo to GIFChoose a section, size, and frame rate, then create a color-optimized animated GIF.
Video & Audio: Enhance
13 appsVideo · ConvertAdd Sepia to VideoApply a warm sepia treatment for archival and stylized footage.Video · ConvertAdd Vignette to VideoDarken the frame edges gently to guide attention toward the center.Video · EditAdjust Video ContrastAdd or reduce separation between shadows and highlights.Video · EditAdjust Video SaturationMake color more restrained or more vivid with one clear control.Video · EditBlur VideoApply an even blur for backgrounds, privacy drafts, and soft transitions.Video · EditBrighten VideoLift dark footage while preserving the rest of the color image.Video · EditChange Video TemperatureMove the image gently warmer or cooler without rebuilding a color grade.Video · EditDarken VideoReduce exposure for overly bright footage and overlays.Video · EditDeinterlace VideoConvert combed interlaced footage into progressive frames for modern screens.Video · EditDenoise VideoReduce low-light grain and compression noise without aggressive smoothing.Video · EditMake Video Black and WhiteCreate a neutral grayscale copy with the original soundtrack intact.Video · EditSharpen VideoImprove edge definition with a controlled unsharp filter.Video · EditStabilize VideoAnalyze camera movement, reduce shake, and keep the frame filled with a careful two-pass stabilization.
Video & Audio: Text & overlays
7 appsVideo · ConvertAdd Image to VideoPlace a photo, graphic, label, or sponsor mark over a video and keep it within safe margins.Video · ConvertAdd Logo to VideoOverlay a PNG, WebP, or JPG logo with simple scale, position, and opacity controls.Video · ConvertAdd Subtitles to VideoBurn an SRT, VTT, or ASS subtitle file into the picture with readable styling.Video · ConvertAdd Text to VideoAdd readable text with placement, size, color, timing, and a subtle contrast box.Video · ConvertAdd Text Watermark to VideoPlace a restrained text watermark with exact position, size, color, and opacity.Video · EditBurn Captions into VideoMake an SRT, VTT, or ASS caption track permanent so it appears in every player.Video · ExtractExtract Subtitles from VideoExtract the first embedded subtitle track as a separate SRT file when the video contains one.
Video & Audio: Create & inspect
7 appsVideo · MixCreate Audio Spectrum VideoTurn an audio file into a polished spectrum animation with the original sound attached.Video · MixCreate Audio Waveform VideoTurn an audio file into a shareable video with an animated waveform and the original sound.Video · GenerateCreate Photo SlideshowArrange up to twelve images, set the pace, and create one clean video with gentle motion.Video · AnalyzeCreate Video ThumbnailCapture a sharp JPG from an exact moment for covers, posts, and previews.Video · ExtractExtract Frames from VideoExport JPG frames at a chosen interval and download the checked set in one ZIP.Video · ConvertImage to VideoTurn a JPG, PNG, WebP, or AVIF into a playback-ready video with a gentle zoom option.Video · CheckInspect Video MetadataRead container, codec, dimensions, frame rate, duration, audio, subtitle, and tag details in one report.
Video & Audio: Convert
1 appData & Calculators
355 appsData & Calculators: Functions & Curves
2 appsData & Calculators: Compare Data
4 appsPNG · CreateBubble Chart MakerCompare x, y, and size at once, with labels and groups that make every bubble easy to inspect.PNG · CreateCSV Scatter Plot MakerPaste x and y values, colour points by group, and spot clusters, gaps, and unusual results.PNG · CreateError Bar Chart MakerPlot measured values with plus-or-minus error bars so uncertainty stays visible beside each result.PNG · CreateMulti-Series Line Chart MakerDraw one or more ordered lines from CSV data and compare how each series rises or falls.
Data & Calculators: Distributions
3 appsPNG · CreateBox Plot MakerCompare medians, quartiles, ranges, and unusual points across one or more groups.PNG · CreateHistogram MakerGroup measurements into bins and see where values gather, spread out, or form more than one peak.PNG · CreateViolin Plot MakerShow the full density shape of grouped measurements while keeping the median and inner box visible.
Data & Calculators: Grids & Fields
3 appsPNG · Analyze2D Density Contour Plot MakerEstimate where x and y observations gather and show their density as filled contour bands.PNG · CreateContour Plot MakerTurn gridded measurements into smooth contour bands that reveal peaks, valleys, and boundaries.PNG · CreateMatrix Heatmap MakerConvert row, column, and value data into a colour grid with hover values and a clear scale.
Data & Calculators: 3D Science
3 appsPNG · Create3D Scatter Plot MakerPlot x, y, and z values in a rotatable space, then colour groups and inspect point labels.PNG · Create3D Surface Function PlotterType a two-variable formula and rotate a smooth 3D surface to inspect peaks, bowls, waves, and saddles.PNG · Create3D Vector Field MakerDraw vectors from x, y, z positions with u, v, w direction values in a rotatable cone field.
Data & Calculators: Special Coordinates
3 appsPNG · CreatePolar Plot MakerTurn angle and radius values into circular traces for direction, cycles, and radial measurements.PNG · CreateRadar Chart MakerCompare several profiles across the same named categories with clear filled radar shapes.PNG · CreateTernary Plot MakerPlot three values that form a whole, such as material blends, soil mixes, or survey shares.
Data & Calculators: Finance & Change
2 appsData & Calculators: Many Variables
3 appsPNG · AnalyzeCorrelation Matrix HeatmapCalculate pair-by-pair correlations across numeric columns and see strong positive or negative links.PNG · AnalyzeParallel Coordinates Plot MakerTurn each numeric column into an axis and follow every row across a high-dimensional profile.PNG · AnalyzeScatter Plot Matrix MakerBuild a grid of scatter plots so every numeric column can be compared with every other column.
Data & Calculators: Math Calculators
44 appsCalculator · CalculateArea CalculatorCalculate area and perimeter for rectangles, circles, triangles, trapezoids, and ellipses.Calculator · CalculateAverage CalculatorCalculate arithmetic mean, median, sum, count, minimum, and maximum for a list of numbers.Calculator · CalculateBasic CalculatorEvaluate arithmetic with parentheses, powers, percentages, and standard operator precedence.Calculator · CalculateBig Number CalculatorPerform exact arithmetic on integers larger than JavaScript's ordinary safe-number range.Calculator · CalculateBinary CalculatorPerform exact arithmetic on binary integers and convert the result to decimal and hexadecimal.Calculator · CalculateCircle CalculatorFind diameter, circumference, area, and equations from a circle radius.Calculator · CalculateCommon Factor CalculatorList all positive factors shared by two or more whole numbers.Calculator · CalculateConfidence Interval CalculatorEstimate a normal-theory confidence interval for a mean from a sample mean, deviation, and size.Calculator · CalculateDistance CalculatorCalculate straight-line distance, displacement, midpoint, and coordinate differences between two points.Calculator · CalculateExponent CalculatorRaise any real base to an integer or fractional exponent and show reciprocal forms for negative powers.Calculator · CalculateFactor CalculatorList every positive factor and factor pair for a whole number.Calculator · CalculateFraction CalculatorAdd, subtract, multiply, or divide two fractions and reduce the answer to lowest terms.Calculator · CalculateGreatest Common Factor CalculatorFind the greatest common factor of two or more whole numbers.Calculator · CalculateHalf-Life CalculatorCalculate the remaining amount, elapsed half-lives, and decay constant for exponential decay.Calculator · CalculateHex CalculatorPerform exact arithmetic on hexadecimal integers and convert the result to decimal and binary.Calculator · CalculateLeast Common Multiple CalculatorFind the least common multiple of two or more whole numbers.Calculator · CalculateLog CalculatorCalculate logarithms with any positive base, including common and natural logarithms.Calculator · CalculateLong Division CalculatorDivide whole numbers and show quotient, remainder, decimal result, and the division identity.Calculator · CalculateMatrix CalculatorAdd, subtract, multiply, transpose, or find the determinant of matrices up to 8 by 8.Calculator · CalculateMean, Median, Mode, Range CalculatorFind the mean, median, mode, range, sum, and count of a list of numbers.Calculator · CalculateNumber Sequence CalculatorAnalyze a sequence for arithmetic or geometric patterns and project its next five terms.Calculator · CalculateP-value CalculatorConvert a z statistic to left-tailed, right-tailed, and two-tailed normal-distribution p-values.Calculator · CalculatePercent Error CalculatorCompare an observed value with an accepted value and calculate absolute and signed percent error.Calculator · CalculatePercentage CalculatorSolve percent-of, percent-ratio, and percentage-change questions with the formula shown.Calculator · CalculatePermutation and Combination CalculatorCalculate ordered permutations and unordered combinations for n objects chosen r at a time.Calculator · CalculatePrime Factorization CalculatorBreak a whole number into prime factors and show exponential notation.Calculator · CalculateProbability CalculatorCalculate event probability, odds, complements, and independent two-event combinations.Calculator · CalculatePythagorean Theorem CalculatorFind the hypotenuse and other properties of a right triangle from its two legs.Calculator · CalculateQuadratic Formula CalculatorSolve ax² + bx + c = 0 and report real or complex roots, the discriminant, and vertex.Calculator · CalculateRandom Number Range GeneratorGenerate one or more random integers or decimals within an inclusive range.Calculator · CalculateRatio CalculatorSimplify a ratio, convert it to fractions and percentages, and scale it to a chosen total.Calculator · CalculateRight Triangle CalculatorSolve all sides, acute angles, area, and perimeter from two right-triangle legs.Calculator · CalculateRoot CalculatorCalculate square, cube, or nth roots, including real odd roots of negative numbers.Calculator · CalculateRounding CalculatorRound a number to decimal places or significant figures and compare floor, ceiling, and truncation.Calculator · CalculateSample Size CalculatorEstimate a survey sample size from confidence level, margin of error, population, and expected proportion.Calculator · CalculateScientific CalculatorEvaluate scientific expressions with powers, roots, trigonometry, logarithms, constants, and factorials.Calculator · CalculateScientific Notation CalculatorConvert decimal numbers to normalized scientific and engineering notation.Calculator · CalculateSlope CalculatorFind slope, distance, midpoint, line equation, and angle from two Cartesian points.Calculator · CalculateStandard Deviation CalculatorCalculate population and sample standard deviation, variance, mean, and count for a data set.Calculator · CalculateStatistics CalculatorSummarize a data set with centre, spread, variance, standard deviation, and sorted values.Calculator · CalculateSurface Area CalculatorCalculate total and lateral surface area for common solid shapes.Calculator · CalculateTriangle CalculatorSolve a triangle from three side lengths, including area, perimeter, angles, and classification.Calculator · CalculateVolume CalculatorFind the volume and surface area of common three-dimensional shapes.Calculator · CalculateZ-score CalculatorStandardize a value using a population mean and standard deviation, then estimate its percentile.
Data & Calculators: Financial Calculators
75 appsCalculator · Calculate401K CalculatorProject employee and employer retirement contributions with annual growth and current-plan limits entered as assumptions.Calculator · CalculateAmortization CalculatorCalculate an amortizing payment, first-month principal and interest, total interest, and payoff time.Calculator · CalculateAnnuity CalculatorCalculate the future value of regular deposits with optional starting principal and compound return.Calculator · CalculateAnnuity Payout CalculatorEstimate a level monthly payout from an annuity balance, interest rate, and payout term.Calculator · CalculateAPR CalculatorEstimate annual percentage rate from amount received, monthly payment, term, and prepaid finance charges.Calculator · CalculateAuto Lease CalculatorEstimate a vehicle lease payment from capitalized cost, residual, money factor, term, tax, and upfront reductions.Calculator · CalculateAuto Loan CalculatorEstimate vehicle financing from purchase price, trade-in, down payment, sales tax, fees, and loan terms.Calculator · CalculateAverage Return CalculatorCalculate arithmetic average, compounded annual growth rate, and cumulative return from periodic percentages.Calculator · CalculateBoat Loan CalculatorEstimate payment and total interest for a fixed-rate boat or marine loan.Calculator · CalculateBond CalculatorCalculate a fixed-coupon bond price and current yield from face value, coupon, market yield, maturity, and payment frequency.Calculator · CalculateBudget CalculatorSummarize monthly income, needs, wants, savings, and remaining cash with a 50/30/20 comparison.Calculator · CalculateBusiness Loan CalculatorEstimate business-loan payment, borrowing cost, fees, and payoff with optional extra principal.Calculator · CalculateCanadian Mortgage CalculatorEstimate a Canadian mortgage payment using nominal annual interest compounded semi-annually and monthly payments.Calculator · CalculateCash Back or Low Interest CalculatorCompare vehicle cash-back financing with a standard rate against a lower-rate offer without the rebate.Calculator · CalculateCD CalculatorProject a certificate-of-deposit balance from deposit, APY, term, and tax-rate assumptions.Calculator · CalculateCollege Cost CalculatorProject future college costs from current annual cost, inflation, years until enrolment, and program length.Calculator · CalculateCommission CalculatorCalculate tiered or flat commission, base pay, total compensation, and effective commission rate.Calculator · CalculateCompound Interest CalculatorCompare equivalent nominal interest rates across annual, monthly, daily, continuous, and other compounding periods.Calculator · CalculateCredit Card CalculatorEstimate credit-card payoff time and interest from balance, APR, monthly payment, and extra payment.Calculator · CalculateCredit Cards Payoff CalculatorEstimate avalanche payoff for multiple cards while preserving the entered total monthly payment.Calculator · CalculateCurrency CalculatorConvert an amount with an explicit market or card exchange rate and optional foreign-exchange fee.Calculator · CalculateDebt Consolidation CalculatorCompare current weighted debt cost with a proposed consolidation loan after origination fees.Calculator · CalculateDebt Payoff CalculatorCompare payoff time and interest with and without an extra monthly debt payment.Calculator · CalculateDebt-to-Income Ratio CalculatorCalculate front-end and back-end monthly debt-to-income ratios from gross income and required payments.Calculator · CalculateDepreciation CalculatorCalculate straight-line, declining-balance, or sum-of-years-digits depreciation and book value for a selected year.Calculator · CalculateDiscount CalculatorCalculate sale price, amount saved, and combined successive discounts.Calculator · CalculateDown Payment CalculatorCalculate down payment, mortgage amount, loan-to-value ratio, and months needed to reach a savings goal.Calculator · CalculateEstate Tax CalculatorEstimate 2026 U.S. federal estate tax above the entered exclusion after debts, expenses, and charitable transfers.Calculator · CalculateFHA Loan CalculatorEstimate an FHA-style mortgage payment with entered upfront and annual mortgage-insurance assumptions.Calculator · CalculateFinance CalculatorCalculate future value from present value, monthly cash flow, interest rate, and number of periods.Calculator · CalculateFuture Value CalculatorCompound a present lump sum to a future value using an annual return and time horizon.Calculator · CalculateHELOC CalculatorEstimate interest-only draw-period and amortizing repayment-period payments for a home-equity line of credit.Calculator · CalculateHome Equity Loan CalculatorCalculate payments and interest for a lump-sum home-equity loan.Calculator · CalculateHouse Affordability CalculatorEstimate an affordable purchase price from income, debts, down payment, interest rate, and housing-cost assumptions.Calculator · CalculateIncome Tax CalculatorEstimate 2026 U.S. federal ordinary income tax from filing status, gross income, and deductions.Calculator · CalculateInflation CalculatorProject future prices and purchasing power from an amount, annual inflation rate, and time.Calculator · CalculateInterest CalculatorCalculate compound growth with a starting balance, recurring monthly deposits, annual rate, and time.Calculator · CalculateInterest Rate CalculatorEstimate the annual rate implied by a loan amount, monthly payment, and term.Calculator · CalculateInvestment CalculatorProject an investment account with an initial balance, monthly deposits, annual return, and time.Calculator · CalculateIRA CalculatorProject traditional IRA growth and compare an illustrative taxable withdrawal after a retirement tax rate.Calculator · CalculateIRR CalculatorCalculate periodic internal rate of return and net present value from a series of cash flows.Calculator · CalculateLease CalculatorEstimate a level lease payment from asset value, residual, annual lease rate, and term.Calculator · CalculateLoan CalculatorCalculate fixed-rate loan payments, interest, total cost, and accelerated payoff with extra payments.Calculator · CalculateMargin CalculatorCalculate gross profit, margin, and markup from cost and selling price.Calculator · CalculateMarriage Tax CalculatorCompare 2026 U.S. federal ordinary-income tax when two incomes are filed separately as single versus jointly.Calculator · CalculateMortgage Amortization CalculatorCalculate mortgage payment, total interest, first payment split, and accelerated payoff.Calculator · CalculateMortgage CalculatorEstimate principal-and-interest payment plus property tax, insurance, association dues, and down payment.Calculator · CalculateMortgage Calculator UKEstimate a UK repayment mortgage payment, total interest, deposit, and loan-to-value ratio.Calculator · CalculateMortgage Payoff CalculatorEstimate mortgage payoff time, total interest, and savings from an extra monthly payment.Calculator · CalculateMutual Fund CalculatorProject investment growth after an annual expense ratio and optional front-end sales load.Calculator · CalculatePayback Period CalculatorCalculate simple and discounted payback time from an initial investment and recurring cash inflow.Calculator · CalculatePayment CalculatorEstimate the periodic payment and total cost for a fixed-rate installment balance.Calculator · CalculatePension CalculatorEstimate a level monthly pension from an account balance, payout return, and payout period.Calculator · CalculatePercent Off CalculatorCalculate sale price, savings, and tax after a percentage discount.Calculator · CalculatePersonal Loan CalculatorCompare the payment and all-in cost of an unsecured personal loan.Calculator · CalculatePresent Value CalculatorDiscount a future lump sum to present value using an annual rate and time horizon.Calculator · CalculateReal Estate CalculatorEstimate property cash flow, capitalization rate, cash-on-cash return, and simple net operating income.Calculator · CalculateRefinance CalculatorCompare an existing mortgage with a proposed refinance, including closing costs and break-even month.Calculator · CalculateRent CalculatorEstimate a monthly rent budget from income, existing debt, utilities, savings goal, and a chosen rent-to-income guideline.Calculator · CalculateRent vs. Buy CalculatorCompare simplified multi-year net cost of renting with homeownership after equity and selling costs.Calculator · CalculateRental Property CalculatorEstimate rental-property net operating income, cash flow, cap rate, and cash-on-cash return.Calculator · CalculateRepayment CalculatorEstimate how long a fixed payment takes to repay a balance and how extra payments change the cost.Calculator · CalculateRetirement CalculatorProject retirement savings, inflation-adjusted value, and a planning withdrawal from current savings and contributions.Calculator · CalculateRMD CalculatorEstimate a required minimum distribution from prior year-end balance and an entered Uniform Lifetime Table age.Calculator · CalculateROI CalculatorCalculate return on investment, net profit, annualized return, and profit multiple.Calculator · CalculateRoth IRA CalculatorProject tax-free Roth IRA account growth from current savings, monthly contributions, return, and time.Calculator · CalculateSalary CalculatorConvert hourly, daily, weekly, biweekly, semi-monthly, monthly, quarterly, and annual pay with holiday and vacation adjustments.Calculator · CalculateSales Tax CalculatorAdd or extract sales tax from a price and show the tax amount and before-tax subtotal.Calculator · CalculateSavings CalculatorProject savings growth from a current balance, monthly deposits, rate, and time.Calculator · CalculateSimple Interest CalculatorCalculate simple interest, ending balance, and effective total return without compounding.Calculator · CalculateSocial Security CalculatorCompare a Social Security retirement benefit estimate at claiming ages 62 through 70 from the benefit quoted at full retirement age.Calculator · CalculateStudent Loan CalculatorEstimate student-loan payments, interest, fees, and the effect of voluntary extra payments.Calculator · CalculateTake-Home-Paycheck CalculatorEstimate annual and per-pay take-home from salary, pre-tax deductions, 2026 federal tax, payroll tax, and a state-rate input.Calculator · CalculateVA Mortgage CalculatorEstimate a VA-style mortgage payment with entered down payment, funding fee, taxes, and insurance.Calculator · CalculateVAT CalculatorAdd or extract value-added tax from a price and show net, tax, and gross amounts.
Data & Calculators: Fitness & Health Calculators
31 appsCalculator · CalculateArmy Body Fat CalculatorEstimate circumference-based body-fat percentage using the established neck, waist, hip, and height equations.Calculator · CalculateBAC CalculatorEstimate blood alcohol concentration from standard-drink alcohol mass, body weight, sex coefficient, and elapsed time.Calculator · CalculateBMI CalculatorCalculate adult body mass index, CDC weight category, and the weight range corresponding to BMI 18.5 through 24.9.Calculator · CalculateBMR CalculatorEstimate basal metabolic rate and maintenance energy with the Mifflin-St Jeor equation.Calculator · CalculateBody Fat CalculatorEstimate body-fat percentage with the circumference-based U.S. Navy method and calculate fat and lean mass.Calculator · CalculateBody Surface Area CalculatorEstimate body surface area with the Mosteller, Du Bois, and Haycock equations.Calculator · CalculateBody Type CalculatorCompare bust, waist, and hip proportions to describe a geometric body-shape pattern and waist-to-hip ratio.Calculator · CalculateCalorie CalculatorEstimate daily calories to maintain, lose, or gain weight from the Mifflin-St Jeor resting-energy equation.Calculator · CalculateCalories Burned CalculatorEstimate exercise energy expenditure from activity MET value, body weight, and duration.Calculator · CalculateCarbohydrate CalculatorEstimate calorie targets and daily carbohydrate allowances for weight maintenance, loss, and gain from age, sex, height, weight, and activity.Calculator · CalculateConception CalculatorEstimate likely conception and fertile-window dates from a period date, due date, or known birth date.Calculator · CalculateDue Date CalculatorEstimate a pregnancy due date from last menstrual period, conception, or embryo-transfer date.Calculator · CalculateFat Intake CalculatorEstimate calorie targets, total fat range, and saturated-fat limits for weight maintenance, loss, and gain.Calculator · CalculateFood Points Estimate CalculatorEstimate the December 2015 to November 2021 food points value from calories, sugar, saturated fat, and protein.Calculator · CalculateGFR CalculatorEstimate adult glomerular filtration rate with the race-free 2021 CKD-EPI creatinine equation.Calculator · CalculateHealthy Weight CalculatorCalculate the adult weight interval corresponding to BMI 18.5 through 24.9 for a given height.Calculator · CalculateIdeal Weight CalculatorCompare four commonly cited height-based reference-weight formulas and the adult healthy-BMI range.Calculator · CalculateLean Body Mass CalculatorCompare Boer, Hume, and James lean-body-mass estimates from height, weight, and sex.Calculator · CalculateLow BMI Threshold CalculatorCalculate current BMI and reference weights for BMI 18.5 and the historically cited 17.5 threshold.Calculator · CalculateMacro CalculatorEstimate daily protein, carbohydrate, and fat targets from energy needs, goal, and a chosen macro split.Calculator · CalculateOne Rep Max CalculatorEstimate one-repetition maximum and training loads from weight lifted and completed repetitions.Calculator · CalculateOverweight CalculatorCompare current weight with adult BMI 25 and 30 reference thresholds for the same height.Calculator · CalculateOvulation CalculatorEstimate ovulation date, fertile window, and next period from the last period and typical cycle length.Calculator · CalculatePace CalculatorCalculate running pace, speed, and projected finish times from distance and elapsed time.Calculator · CalculatePeriod CalculatorProject upcoming period and ovulation dates from a typical cycle and period length.Calculator · CalculatePregnancy CalculatorEstimate due date, conception window, trimester dates, and current gestational age from the last menstrual period.Calculator · CalculatePregnancy Conception CalculatorEstimate conception and fertile-window dates from a due date or last menstrual period.Calculator · CalculatePregnancy Weight Gain CalculatorCompare current pregnancy weight gain with Institute of Medicine reference ranges based on pre-pregnancy BMI.Calculator · CalculateProtein CalculatorEstimate daily protein recommendations from body weight and calorie needs using ADA, CDC, and WHO reference methods.Calculator · CalculateTarget Heart Rate CalculatorEstimate maximum heart rate and training zones with both percent-maximum and Karvonen heart-rate-reserve methods.Calculator · CalculateTDEE CalculatorEstimate total daily energy expenditure from resting energy and an activity multiplier.
Data & Calculators: Other Calculators
52 appsCalculator · CalculateBandwidth CalculatorEstimate file-transfer time from file size, link speed, and protocol efficiency.Calculator · CalculateBase64 Encode / DecodeEncode UTF-8 text as Base64 or decode Base64 back to readable UTF-8, entirely in this browser.Calculator · CalculateBra Size CalculatorEstimate a starting band and cup size from snug underbust and full-bust measurements.Calculator · CalculateBTU CalculatorEstimate room heating capacity from floor area, ceiling height, temperature rise, and insulation quality.Calculator · CalculateConcrete CalculatorEstimate concrete volume for a rectangular slab and add a waste allowance, with cubic-yard and bag totals.Calculator · CalculateConversion CalculatorConvert common length, mass, and temperature units in either metric or customary systems.Calculator · CalculateDate CalculatorAdd or subtract calendar years, months, weeks, and days from a date with month-end handling.Calculator · CalculateDay CounterCount elapsed and inclusive calendar days, weeks, weekdays, and weekend days between two dates.Calculator · CalculateDay of the Week CalculatorFind the weekday, day of year, ISO week, quarter, and distance from today for any Gregorian date.Calculator · CalculateDensity CalculatorCalculate density from mass and volume, with common SI and metric conversions.Calculator · CalculateDew Point CalculatorCalculate dew point and a plain-language humidity comfort description from temperature and relative humidity.Calculator · CalculateElectricity CalculatorEstimate appliance energy use and cost from power, daily runtime, days, and electricity rate.Calculator · CalculateEngine Horsepower CalculatorCalculate engine horsepower and kilowatts from torque and rotational speed.Calculator · CalculateFuel Cost CalculatorEstimate trip fuel use, total cost, and cost per traveller from distance and vehicle efficiency.Calculator · CalculateGas Mileage CalculatorCalculate L/100 km, kilometres per litre, and miles per US gallon from distance and fuel used.Calculator · CalculateGDP CalculatorCalculate expenditure-based gross domestic product and the contribution of net exports.Calculator · CalculateGolf Handicap CalculatorEstimate a World Handicap System-style index from recent score differentials.Calculator · CalculateGPA CalculatorCalculate a credit-weighted GPA from letter grades and course credits.Calculator · CalculateGrade CalculatorCalculate a current percentage and the score needed on a remaining final assessment.Calculator · CalculateGravel CalculatorEstimate gravel volume, weight, and delivery tonnage from area, depth, and material density.Calculator · CalculateHeat Index CalculatorEstimate apparent temperature from air temperature and relative humidity with the NOAA regression.Calculator · CalculateHeight CalculatorEstimate a child's mid-parental adult height range from biological-parent heights and the sex adjustment used by the method.Calculator · CalculateHorsepower CalculatorCalculate mechanical horsepower and watts from force, travel distance, and elapsed time.Calculator · CalculateHours CalculatorCalculate elapsed work time between clock times, including overnight shifts and an unpaid break.Calculator · CalculateIP Subnet CalculatorCalculate IPv4 network, broadcast, usable host range, mask, wildcard, and host capacity from CIDR notation.Calculator · CalculateLove CalculatorCreate a stable, playful name-match score for entertainment, with the same names always returning the same result.Calculator · CalculateMass CalculatorCalculate mass from density and volume, with grams, kilograms, and pounds.Calculator · CalculateMileage CalculatorCalculate business mileage reimbursement and fuel-cost comparison for a trip.Calculator · CalculateMolarity CalculatorCalculate solution molarity, millimolar concentration, and amount from moles and volume.Calculator · CalculateMolecular Weight CalculatorCalculate molar mass from a chemical formula, including grouped formulas such as Ca(OH)2.Calculator · CalculateMulch CalculatorEstimate mulch volume and bag count from landscape area, depth, and bag size.Calculator · CalculateOhm's Law CalculatorCalculate voltage, current, resistance, and power from any two selected electrical values.Calculator · CalculatePassword GeneratorGenerate a high-entropy password locally with configurable length and character sets.Calculator · CalculateResistor CalculatorDecode a four-band resistor value from colour digits, multiplier, and tolerance.Calculator · CalculateRoman Numeral ConverterConvert whole numbers to canonical Roman numerals or Roman numerals to decimal values.Calculator · CalculateRoofing CalculatorEstimate sloped roof area, roofing squares, bundles, and waste from plan dimensions and roof pitch.Calculator · CalculateShoe Size ConversionEstimate equivalent US, UK, and EU adult shoe sizes from one selected system.Calculator · CalculateSleep CalculatorPlan bedtimes or wake times around approximate 90-minute sleep cycles and a settling allowance.Calculator · CalculateSpeed CalculatorCalculate speed from distance and time with km/h, m/s, mph, and pace conversions.Calculator · CalculateSquare Footage CalculatorCalculate rectangular area, total quantity, waste allowance, square yards, and square metres.Calculator · CalculateStair CalculatorEstimate riser count, actual rise, tread run, staircase length, and stringer length.Calculator · CalculateTile CalculatorEstimate tile count, area, and boxes from surface and tile dimensions with grout and waste allowance.Calculator · CalculateTime CalculatorAdd or subtract two hour-minute-second durations and convert the result to total units.Calculator · CalculateTime Card CalculatorCalculate weekly hours and gross pay from a repeating shift, workdays, break, rate, and overtime settings.Calculator · CalculateTime Duration CalculatorCalculate elapsed time between two clock times, including overnight spans and break deductions.Calculator · CalculateTime Zone CalculatorConvert a local date and time between fixed UTC offsets, including dates that cross midnight.Calculator · CalculateTip CalculatorCalculate tip, total bill, and per-person split with optional sales tax separated from the tipping base.Calculator · CalculateTire Size CalculatorCompare two metric tire sizes for diameter, circumference, sidewall, revolutions, and speedometer difference.Calculator · CalculateURL Encode / DecodeEncode text for a URL component or decode percent-encoded text locally.Calculator · CalculateVoltage Drop CalculatorEstimate two-conductor copper or aluminum circuit voltage drop from length, current, voltage, and wire area.Calculator · CalculateWeight CalculatorCalculate gravitational weight force from mass and local gravitational acceleration.Calculator · CalculateWind Chill CalculatorCalculate the North American wind-chill index from air temperature and wind speed.
Data & Calculators: GeoJSON Basics
6 appsGeoJSON · GenerateGeoJSON Bounding Box MakerFind the smallest west, south, east, and north box that holds your GeoJSON.GeoJSON · CalculateGeoJSON Center and Centroid FinderFind the centre of the outer box and the centre made from all shape points.GeoJSON · ConvertGeoJSON Coordinate CleanerRemove needless repeated points from lines and polygons without changing their visible shape.GeoJSON · ConvertGeoJSON Line to Polygon ConverterClose a GeoJSON line and turn it into a polygon feature.GeoJSON · ConvertGeoJSON Polygon to Line ConverterConvert polygon rings into GeoJSON lines while keeping the feature properties.GeoJSON · CheckGeoJSON ValidatorCheck whether GeoJSON is readable and whether each map shape follows the basic geometry rules.
Data & Calculators: Measure & Navigate
7 appsGeoJSON · CalculateBearing and Midpoint CalculatorFind the compass bearing, distance, and halfway point between two map coordinates.GeoJSON · GenerateDestination Point MakerStart at one coordinate, travel a set distance and bearing, and get the destination point.GeoJSON · CalculateGeoJSON Area CalculatorMeasure a polygon in square metres, square kilometres, hectares, and acres.GeoJSON · CalculateGeoJSON Route Length CalculatorFind the full ground distance of a GeoJSON line in kilometres, miles, metres, or nautical miles.GeoJSON · GenerateGreat Circle Route MakerCreate a curved GeoJSON route that follows the shortest path across the globe between two points.GeoJSON · CalculateMap Point Distance CalculatorFind the earth distance between two longitude and latitude pairs.GeoJSON · CalculatePoint Along Route FinderPlace a point at an exact distance from the start of a GeoJSON route.
Data & Calculators: Select & Compare
7 appsGeoJSON · CalculateGeoJSON Line Intersection FinderFind every point where two GeoJSON lines cross each other.GeoJSON · CheckGeoJSON Point Cluster AnalyzerGroup a point collection with K-means or DBSCAN and add a cluster number to every point.GeoJSON · CheckGeoJSON Polygon Overlap CheckerCheck whether two polygons touch or overlap, and draw the shared area when one exists.GeoJSON · CalculateNearest Map Point FinderCompare one target coordinate with a GeoJSON point list and find the closest point.GeoJSON · CalculateNearest Point on Route FinderFind the closest spot on a GeoJSON route to any longitude and latitude point.GeoJSON · CheckPoint in Polygon CheckerCheck whether a longitude and latitude point is inside a GeoJSON polygon.GeoJSON · CheckPoints in Polygon FilterKeep only the GeoJSON points that fall inside a polygon or multipolygon.
Data & Calculators: Shape & Transform
11 appsGeoJSON · GenerateConvex Hull MakerDraw the smallest simple convex polygon that wraps around a set of points.GeoJSON · ConvertGeoJSON Bounding Box ClipperCut a line or polygon so only the part inside a bounding box remains.GeoJSON · GenerateGeoJSON Buffer MakerDraw a set-distance zone around a point, line, or polygon.GeoJSON · GenerateGeoJSON Line Offset MakerCreate a new line a set distance to one side of a GeoJSON route.GeoJSON · GenerateGeoJSON Polygon Difference MakerRemove the second polygon from the first and keep the area that remains.GeoJSON · GenerateGeoJSON Polygon Dissolve MakerMerge touching polygons that share the same group property and keep separate groups apart.GeoJSON · GenerateGeoJSON Polygon Intersection MakerCreate the map area that two polygons have in common.GeoJSON · GenerateGeoJSON Polygon Union MakerCombine two or more polygons into one polygon or multipolygon result.GeoJSON · CreateGeoJSON Rotate Scale and Move ToolRotate a map shape, scale it from its centre, and move it by distance and bearing.GeoJSON · GenerateGeoJSON Route Slice MakerCut out the part of a GeoJSON route between two distances from its start.GeoJSON · ConvertGeoJSON SimplifierRemove extra coordinates while keeping the main shape of a line or polygon.
Data & Calculators: Grids & Patterns
7 appsGeoJSON · GenerateGeoJSON Circle Polygon MakerTurn a centre point and radius into a GeoJSON polygon that follows ground distance.GeoJSON · GenerateGeoJSON Sector Shape MakerCreate a pie-slice map polygon from a centre, radius, start bearing, and end bearing.GeoJSON · GenerateHexagon Map Grid MakerCreate a flat-top hexagon GeoJSON grid for sampling, planning, or map analysis.GeoJSON · GenerateMap Point Grid MakerCreate evenly spaced GeoJSON points inside a map bounding box.GeoJSON · GenerateRandom GeoJSON Point GeneratorCreate any number of random GeoJSON points inside a bounding box for tests and demos.GeoJSON · GenerateSquare Map Grid MakerCreate an even square GeoJSON grid inside any west, south, east, and north box.GeoJSON · GenerateVoronoi Map MakerSplit a map into cells so every place belongs to its nearest input point.
Data & Calculators: View & Inspect
1 appData & Calculators: Clean & Organize
4 appsCSV · OptimizeCSV CleanerTrim extra spaces, remove empty rows and columns, and repair uneven CSV data in one private pass.CSV · OrganizeCSV Column PickerChoose, reorder, and export only the CSV columns you want while leaving the original file untouched.CSV · OrganizeCSV SorterSort a CSV by any column from A to Z, Z to A, smallest to largest, or largest to smallest.CSV · OptimizeRemove Duplicate CSV RowsFind repeated CSV rows by every column or the columns you choose, then keep one clear copy of each row.
Data & Calculators: Convert
3 appsCSV · ConvertCSV Delimiter ConverterChange commas, tabs, semicolons, or pipes without breaking quoted text, commas inside cells, or line breaks.CSV · ConvertCSV to JSON ConverterConvert CSV or TSV rows into clean JSON objects, with each heading used as a clear field name.JSON · ConvertJSON to CSV ConverterConvert a JSON object or list of objects into a spreadsheet-ready CSV with one column for every field.
Data & Calculators: Combine & Split
2 appsData & Calculators: Date Calculators
4 appsCalculator · CalculateAge CalculatorFind an exact age in years, months, and days, plus the next birthday and useful age milestones.Calculator · CalculateBusiness-Day CalculatorCount workdays or add business days using your workweek and a custom holiday list.Calculator · CalculateDate Difference CalculatorMeasure the exact time between two moments in calendar units, hours, minutes, and seconds.Calculator · CalculateDays Between Dates CalculatorCount calendar days between two dates with clear start-day and end-day inclusion choices.
Data & Calculators: Everyday Math
2 appsData & Calculators: Clocks & Timers
3 appsTimer · CountCountdown TimerCount down a duration or a future date with quick presets, pause controls, and an optional finish sound.Timer · CountStopwatchTime anything with a precise stopwatch, lap splits, best and slowest laps, and keyboard controls.Clock · ViewWorld Clock & Meeting PlannerCompare live local times around the world and find a meeting time that lands on the right day.
Data & Calculators: Business Pricing
1 appData & Calculators: Business Calculators
2 appsCalculator · CalculateMassage Room Rent vs Commission CalculatorCompare room rent and commission across working weeks, recovered no-show fees, full costs, hourly earnings, and client break-even.Calculator · CalculateNo-Show Cost, Deposit & Cancellation Window CalculatorCalculate revenue and time lost to no-shows, then optimize a practical deposit, cancellation window, and the net ROI of reminders or a waitlist.
Data & Calculators: Averages & Centers
10 appsNumbers · CalculateArithmetic Mean FinderAdd a list of numbers and divide by how many values it has.Numbers · CalculateGeometric Mean FinderFind the geometric mean of positive numbers such as growth factors.Numbers · CalculateHarmonic Mean FinderFind the harmonic mean of positive rates or ratios.Numbers · CalculateLog Average FinderFind an average in log space for positive values that span a wide range.Numbers · CalculateMost Common Number FinderFind the number that appears most often in a list.Numbers · CalculateNumber List Extent FinderFind both ends of a number list and the distance between them.Numbers · CalculateNumber List Median FinderSort a number list and find the value in its middle.Numbers · CalculateNumber List Product FinderMultiply all numbers in a list and show the final product.Numbers · CalculatePrecise Number List SumAdd many values with a method that reduces floating-point rounding loss.Numbers · CalculateRoot Mean Square FinderSquare, average, and take the root to measure the size of changing values.
Data & Calculators: Counting & Sampling
8 appsNumbers · GenerateBootstrap Resample MakerMake a repeatable sample where the same source value can be picked more than once.Numbers · GenerateNumber Combination List MakerList every group of a chosen size where order does not matter.Numbers · GenerateNumber List Chunk MakerKeep the original order while breaking a number list into equal-size chunks.Numbers · GenerateNumber Permutation List MakerMake every ordering of a short number list.Numbers · GenerateRepeatable Number List ShufflerShuffle all values with a repeatable seed.Numbers · GenerateRepeatable Random Sample PickerChoose a repeatable random sample where each list item can be picked once.Numbers · GenerateReplacement Combination List MakerList every unordered group while allowing a value to appear more than once.Numbers · CalculateWhole Number Factorial CalculatorFind n! for a non-negative whole number up to 170.
Data & Calculators: Groups & Breaks
7 appsNumbers · GenerateCkmeans Number Group MakerGroup a sorted number list so values inside each group stay close together.Numbers · CalculateCluster Silhouette Score CheckerGroup points with k-means, then score how well each point fits its group.Numbers · GenerateEqual Interval Breaks MakerMake evenly spaced class breaks from the smallest value to the largest.Numbers · GenerateJenks Natural Breaks MakerPlace break points where the number list has useful gaps.Numbers · GenerateK-Means Point Group MakerGroup two- or three-part points around nearby centers.Numbers · GenerateKernel Density Estimate MakerEstimate how tightly values gather around points across the list range.Numbers · GenerateNumber Frequency Table MakerSort a number list and count how often every value appears.
Data & Calculators: Percentiles & Outliers
7 appsNumbers · CalculateFive Number Summary MakerFind the minimum, first quartile, median, third quartile, and maximum.Numbers · CalculateIQR Number List Outlier FinderUse the 1.5 × IQR rule to flag unusually low or high values.Numbers · CalculateMAD Number List Outlier FinderUse the median absolute deviation to find values far from the center.Numbers · CalculateMedian Absolute Deviation FinderFind the median distance from the list median, with less pull from extreme values.Numbers · CalculateNumber List Interquartile RangeFind the distance between the first and third quartiles.Numbers · CalculateNumber List Percentile Rank FinderFind the share of a list that is at or below a chosen value.Numbers · CalculatePopulation Quantile FinderFind the value at any population quantile from 0 to 1.
Data & Calculators: Probability Distributions
11 appsNumbers · GenerateBernoulli Probability Table MakerShow the chance of failure and success for one trial.Numbers · GenerateBinomial Probability Table MakerMake the probability for every success count in repeated yes-or-no trials.Numbers · CalculateGamma Function CalculatorCalculate the gamma function for a positive number.Numbers · CalculateGaussian Error Function CalculatorFind the Gaussian error function for a chosen finite number.Numbers · CalculateInverse Error Function CalculatorFind the value whose Gaussian error function equals your input.Numbers · CalculateLog Gamma Function CalculatorFind the natural logarithm of the gamma function for a positive number.Numbers · GeneratePoisson Probability Table MakerMake a probability table for event counts around an average rate.Numbers · CalculateProbability Log-Odds CalculatorConvert a probability between 0 and 1 into its log-odds value.Numbers · CalculateStandard Logistic Cumulative ProbabilityFind the standard logistic probability at or below a chosen score.Numbers · CalculateStandard Normal Cumulative ProbabilityFind the standard normal probability at or below a chosen z-score.Numbers · CalculateStandard Normal Probit FinderFind the z-score with a chosen share of the standard normal curve to its left.
Data & Calculators: Relationships & Trends
7 appsNumbers · CalculateLinear Regression R-Squared CheckerFit a straight line and show the share of y variation explained by it.Numbers · CalculateLinear Regression Residual ReportCompare each observed y value with the straight line’s estimate.Numbers · CalculateLinear Regression Value PredictorFit paired values, then use the line to estimate y at a chosen x.Numbers · CalculateNumber List Linear Regression LineFit a straight line through paired x and y values and show its slope and start.Numbers · GeneratePaired Sample Covariance FinderMeasure whether two paired samples tend to move in the same direction.Numbers · CalculatePearson Number Correlation FinderSee how strongly two paired number lists move together in a straight pattern.Numbers · CalculateSpearman Rank Correlation FinderMeasure whether paired values rise and fall in a similar rank order.
Data & Calculators: Spread & Shape
6 appsNumbers · CalculateCoefficient of Variation FinderShow standard deviation as a share of the mean.Numbers · CalculatePower Deviation Sum FinderFind the sum of each value’s distance from the mean raised to a chosen power.Numbers · GenerateSample Kurtosis FinderMeasure the excess kurtosis of a sample number list.Numbers · GenerateSample Skewness FinderMeasure whether a sample has a longer tail on the left or right.Numbers · CalculateSingle Value Z-Score FinderSee how many standard deviations one value sits above or below a list mean.Numbers · GenerateZ-Score List StandardizerTurn every value into its number of standard deviations from the mean.
Data & Calculators: Summary Updates
5 appsNumbers · CalculateActual vs Expected Relative ErrorShow the absolute error as a share of the expected value.Numbers · CalculateAdd Value to Known MeanUpdate a known mean after one new value is added.Numbers · CalculateRemove Value from Known MeanUpdate a known mean after one value is removed from a list.Numbers · CalculateTwo-Group Combined MeanFind one mean from two group means and their group sizes, without the raw lists.Numbers · CalculateTwo-Group Combined VarianceFind one population variance from two group means, variances, and sizes.
Data & Calculators: Tests & Evidence
5 appsNumbers · GenerateOne-Sample T-Score CalculatorCalculate the t statistic for a sample against an expected mean.Numbers · TestPoisson Chi-Square Fit CheckerTest whether a large list of non-negative event counts departs from a fitted Poisson distribution.Numbers · TestTwo-Group Permutation P-ValueEstimate a p-value by repeatedly reshuffling two groups with a repeatable seed.Numbers · GenerateTwo-Sample T-Score CalculatorCalculate a t statistic for the difference between two independent samples.Numbers · TestWilcoxon Rank Sum ScoreAdd the ranks of the first sample after both samples are sorted together.
Data & Calculators: Weighted Statistics
4 appsNumbers · CalculateWeighted Number List MeanFind an average where each value has its own weight.Numbers · CalculateWeighted Number List QuantileFind a quantile while letting some values count more than others.Numbers · CalculateWeighted Number List Standard DeviationFind weighted standard deviation for values with different importance.Numbers · CalculateWeighted Number List VarianceFind the variance of values that have different weights.
Developer Tools
222 appsDeveloper Tools: Capture & Preview
20 appsWebsite · CreateAbove-the-Fold ScreenshotSave the first screen visitors see before they scroll.Website · CreateCSS-Free Website PreviewSee the page structure without its style sheets.Website · CreateCustom Viewport ScreenshotChoose an exact browser width and height for the screenshot.Website · CreateDark Mode Website ScreenshotAsk the page for its dark colour scheme and capture the result.Website · CreateForced Colours Website PreviewSee how the page looks with system forced colours.Website · CreateFull Page ScreenshotCapture the page from top to bottom, up to a safe height.Website · CreateHigh-DPI Website ScreenshotCapture a sharper two-times pixel density image.Website · CreateImage-Free Website PreviewSee whether the page still makes sense when images do not load.Website · CreateJavaScript-Off Website ScreenshotSee what the page shows when JavaScript is turned off.Website · CreateLight and Dark Screenshot ComparisonCapture the same page in light and dark colour schemes.Website · CreateLight Mode Website ScreenshotAsk the page for its light colour scheme and capture the result.Website · CreateMobile Landscape ScreenshotCapture a wide phone view for menus, games, and videos.Website · CreateMobile Website ScreenshotSee a public page in a 390 pixel phone view.Website · CreatePrint Layout ScreenshotPreview the page with print styles before making a PDF.Website · CreateReduced Motion Website PreviewSee the page with reduced motion turned on.Website · CreateResponsive Screenshot PackCapture desktop, tablet, and phone views in one run.Website · CreateTablet Website ScreenshotSee a public page in a roomy tablet view.Website · CreateWeb Page Quality SnapshotOpen a public page and get a clear screenshot with its main quality facts.Website · CreateWeb Page to PDFTurn a public web page into a clean PDF with backgrounds.Website · CreateWide Desktop ScreenshotCapture a 1600 pixel desktop view.
Developer Tools: Errors & Network
10 appsWebsite · CheckDownload Link InventoryFind links that look like file downloads without clicking them.Website · CheckFailed Web Request CheckerFind network failures and HTTP error responses seen while the page loads.Website · CheckJavaScript Console Error CheckerOpen the page and collect browser console errors and warnings.Website · CheckPage Performance Timing SnapshotShow browser navigation, paint, and content timing from one page load.Website · CheckThird-Party Host InventoryList outside hosts contacted while the page loads.Website · CheckWeb Font InventoryList font files requested and font families used on the page.Website · CheckWeb Page DOM Size CheckerCount page elements and show the deepest nesting found.Website · CheckWeb Page Network Request SummaryCount page requests by type and host.Website · CheckWeb Page Redirect Chain CheckerList each page URL followed before the final page opened.Website · CheckWeb Page Resource Weight EstimateEstimate transferred bytes reported by the browser for this page load.
Developer Tools: Accessibility & Quality
4 appsWebsite · CheckARIA Accessibility SnapshotCreate a text view of the page accessibility tree.Website · CheckBrowser Language Website PreviewOpen the page with a browser language such as French Canada.Website · CheckTime Zone Website PreviewOpen the page in another time zone and capture what it shows.Website · CheckWeb Page Scroll Size CheckerMeasure the full page width and height and flag sideways scrolling.
Developer Tools: Content & Structure
15 appsWebsite · CheckCanonical URL CheckerCheck whether the page names one clear canonical URL.Website · CheckFavicon and Icon InspectorFind favicons, touch icons, and web app icons named by the page.Website · CheckHeading Outline ExtractorList the H1 to H6 headings in page order.Website · CheckPage Language CheckerCheck the page language and direction settings.Website · CheckPage Title and Description CheckerCheck the page title and search description length.Website · CheckStructured Data ExtractorFind JSON-LD blocks and show their main schema types.Website · CheckWeb Page Control InventoryList buttons, inputs, selects, and text areas with their labels.Website · CheckWeb Page Form InventoryList forms, methods, actions, and control counts.Website · CheckWeb Page Image InventoryList images with alt text, size, and loading style.Website · CheckWeb Page Landmark InventoryCount headers, navigation, main areas, asides, and footers.Website · CheckWeb Page Link InventoryList page links and show which ones leave the website.Website · CheckWeb Page Metadata ExtractorCollect the title, description, language, canonical link, and viewport settings.Website · CheckWeb Page Table InventoryList each table with its caption, row count, and column count.Website · CheckWeb Page Text ExtractorPull out the visible words from a public page.Website · CheckWebsite Technology Hint ScannerFind public clues for common site builders and front-end tools.
Developer Tools: Format & Encode
3 appsBase64 · EncodeBase64 Encoder & DecoderEncode Unicode text or files to Base64, decode Base64 safely, and switch to URL-safe output when needed.JSON · FormatJSON Formatter & ValidatorFormat, minify, sort, repair, and inspect JSON with clear line-and-column errors and a searchable tree view.URL · EncodeURL Encoder & DecoderEncode or decode a full URL, one query value, or form data, then inspect every query parameter in a readable table.
Developer Tools: Format & Validate
3 appsXML · FormatXML FormatterAdd clean spacing and line breaks to messy XML without sending it anywhere.XML · FormatXML MinifierMake a smaller XML copy by removing display-only spaces and line breaks.XML · ValidateXML ValidatorCheck tags, quotes, and closing marks, then get a short message that points to the problem.
Developer Tools: Convert & Clean
3 appsXML · ConvertJSON to XML ConverterTurn a JSON object into clean XML, including attributes marked with @_ and text marked with #text.XML · FormatXML Namespace CleanerRemove prefixes such as store: and meta: to make a simpler XML copy for basic tools.XML · ConvertXML to JSON ConverterConvert elements and attributes into JSON that is easy to read, copy, and use in code.
Developer Tools: Explore & Extract
5 appsXML · ExtractXML Attribute ExtractorPull attribute names and values into a CSV table with the path to each element.XML · ViewXML Element FinderSearch an XML file by element name or path and list each matching value and attribute.XML · ViewXML StatisticsSee element, attribute, text, depth, and repeated-name totals in one small report.XML · ExtractXML Text ExtractorList the text inside XML elements with a clear path showing where each line came from.XML · ViewXML Tree ViewerTurn nested XML into a simple indented outline with element names, attributes, and short text.
Developer Tools: IDs & Tokens
2 appsDeveloper Tools: Time & Automation
2 appsCron · GenerateCron Expression GeneratorBuild or explain a standard five-part cron schedule, validate each field, and preview the next run times in your timezone.Unix · ConvertUnix Timestamp ConverterConvert Unix seconds, milliseconds, microseconds, or nanoseconds to readable dates and turn any local date back into a timestamp.
Developer Tools: Test & Compare
2 appsDeveloper Tools: Diff & Patch
6 appsCSS · CompareCSS Diff CheckerCompare two CSS files by selector, property, value, punctuation, and spacing in one clear view.JSON · CompareJSON Diff CheckerCompare two JSON files by value, even when their keys are in a different order, and see every added or removed part.Patch · EditPatch ApplierApply a unified patch to one text file and preview the finished file before you save it.Patch · ViewPatch InspectorInspect a unified or Git patch and count its files, hunks, added lines, and removed lines without changing anything.Patch · GenerateUnified Patch MakerTurn the old and new version of a text file into a standard unified patch for Git and other tools.Text · CompareWord Diff CheckerCompare two paragraphs word by word and spot small edits that a line comparison can miss.
Developer Tools: Mock Data
16 appsJSON & CSV · GenerateCustom Fake Dataset GeneratorName your columns, pick simple fake field types, and create a repeatable JSON or CSV dataset.JSON & CSV · GenerateFake Address GeneratorCreate localized street addresses, cities, regions, postal codes, countries, and optional map coordinates.JSON & CSV · GenerateFake Appointment Dataset GeneratorCreate safe sample appointments with clients, services, staff, times, lengths, prices, and status.JSON & CSV · GenerateFake Book Metadata GeneratorCreate sample book titles, authors, genres, publishers, formats, series, ISBNs, and optional summaries.JSON & CSV · GenerateFake Company GeneratorCreate made-up company names, taglines, industries, websites, emails, and phone numbers.JSON & CSV · GenerateFake Contact List GeneratorBuild a sample contact list with names, emails, phone numbers, companies, and optional addresses.JSON & CSV · GenerateFake Food Menu GeneratorCreate sample dishes with descriptions, food styles, ingredients, spice notes, prices, and availability.JSON & CSV · GenerateFake Order GeneratorCreate nested test orders with customers, line items, quantities, totals, dates, and order status.JSON & CSV · GenerateFake Person GeneratorCreate realistic names, birthdays, jobs, and short bios for tests, demos, and practice projects.JSON & CSV · GenerateFake Product Catalog GeneratorCreate sample products with SKUs, names, departments, descriptions, materials, colours, and prices.JSON & CSV · GenerateFake Vehicle Dataset GeneratorCreate sample vehicles with makers, models, types, fuel, colours, and optional VIN and plate values.JSON & CSV · GenerateInternet Test Data GeneratorCreate sample usernames, emails, domains, URLs, IP addresses, user agents, and optional passwords.JSON & CSV · GenerateLocalized Fake Data SamplerCompare names, addresses, phone numbers, companies, and products from two language or country settings.JSON & CSV · GenerateMock API Response GeneratorCreate a realistic users, products, or orders API response with optional page details.SQL · GenerateSQL Seed Data GeneratorCreate safe INSERT statements for sample users, products, or companies in PostgreSQL, MySQL, or SQLite.JSON & CSV · GenerateTest Payment Data GeneratorCreate clearly fake card and bank fields for form tests. These values are not for real payments.
Developer Tools: Build Templates
7 appsLiquid · GenerateCustomer Greeting Liquid Template TesterPreview a greeting with names, customer tags, and a safe fallback.Liquid · GenerateInvoice Line Liquid Template TesterLoop through invoice items and show quantity, price, and a simple line total.Liquid · GenerateJSON to Liquid RendererPaste any JSON object and render its fields through a bounded Liquid template.Liquid · GenerateLiquid Batch Preview MakerPreview the same Liquid template for up to fifty records in a JSON customers array.Liquid · GenerateLiquid Template PlaygroundRender a safe, bounded Liquid template and see the output as plain text.Liquid · GenerateOrder Confirmation Liquid Template TesterBuild a clear order confirmation from customer, order, and shop fields.Liquid · GenerateShopify Product Card Template TesterTest product fields, price math, tags, and availability in a Liquid card template.
Developer Tools: Common Formats
12 appsRegular Expression · GenerateCoupon Code Regex Sample GeneratorGenerate sample coupon codes from a simple editable promotion pattern.Regular Expression · GenerateDate Regex Sample GeneratorGenerate ISO-shaped date strings for parser and form tests, then check real calendar rules separately.Regular Expression · GenerateEmail Regex Sample GeneratorGenerate example email addresses on reserved example and test domains.Regular Expression · GenerateFilename Regex Sample GeneratorGenerate lowercase file names with common test extensions and no folder paths.Regular Expression · GenerateHex Color Regex Sample GeneratorGenerate uppercase six-digit hexadecimal colors for design and form tests.Regular Expression · GenerateIPv4 Regex Sample GeneratorGenerate IPv4 values whose four number parts stay between 0 and 255.Regular Expression · GenerateOrder Number Regex Sample GeneratorGenerate order-number examples for receipt, search, and import testing.Regular Expression · GeneratePhone Regex Sample GeneratorGenerate North American phone-shaped examples for formatting and input tests.Regular Expression · GenerateSKU Regex Sample GeneratorGenerate product SKU examples with letters, digits, and fixed separators.Regular Expression · GenerateTracking Code Regex Sample GeneratorGenerate fake tracking-shaped codes without using a real carrier number.Regular Expression · GenerateURL Slug Regex Sample GeneratorGenerate lowercase, hyphen-separated slug values for route and form testing.Regular Expression · GenerateUsername Regex Sample GeneratorGenerate lowercase usernames that follow a clear length and character rule.
Developer Tools: Explore a Pattern
4 appsRegular Expression · AnalyzeLong Regex Sample FinderGenerate many matches and keep the longest examples found in that sample run.Regular Expression · AnalyzeRegex Coverage Pack MakerMake a small test pack that covers several lengths and removes duplicate strings.Regular Expression · AnalyzeRegex Sample Length ExplorerGenerate a test batch and compare its shortest, longest, and average string lengths.Regular Expression · AnalyzeShort Regex Sample FinderGenerate many matches and keep the shortest examples found in that sample run.
Developer Tools: Filter & Reshape
7 appsJSON · ConvertJSON Array FilterFilter a JSON array with a clear JSONata condition and keep the matching objects.JSON · ConvertJSON Array FlattenerPull values from arrays inside records into one simple result sequence.JSON · ConvertJSON Array GrouperGroup array records by a field and return one object with a key for each group.JSON · ConvertJSON Array SorterSort an array by text or numbers with JSONata's order-by operator.JSON · ConvertJSON Field PickerTurn each object into a smaller object with a chosen set of fields.JSON · ConvertJSON Field RenamerBuild new objects with renamed fields while keeping the original JSON unchanged.JSON · ConvertJSON Object ReshaperCombine fields, filters, and nested results into a cleaner object for another system.
Developer Tools: Find Code Parts
16 appsJavaScript · ExtractJavaScript Arrow Function FinderList arrow functions with inferred names, parameters, async state, and source lines.JavaScript · ExtractJavaScript Async Function FinderFind async declarations, expressions, and arrows with names, parameters, and lines.JavaScript · ExtractJavaScript Await Expression FinderList awaited expressions with their readable source text and exact line.JavaScript · ExtractJavaScript Call Expression FinderList function and method calls with readable callee names, argument counts, and lines.JavaScript · ExtractJavaScript Class InventoryList class declarations and expressions with inheritance and method counts.JavaScript · ExtractJavaScript Comment ExtractorExtract comments with their type, text, line, and character count.JavaScript · ExtractJavaScript Dynamic Import FinderList dynamic import expressions, source values, and exact locations.JavaScript · ExtractJavaScript Event Listener FinderList event listener calls, target expressions, event names, and lines.JavaScript · ExtractJavaScript Export InventoryFind export statements, names, source modules, lines, and export kinds.JavaScript · ExtractJavaScript Function InventoryFind function declarations and expressions with names, parameters, lines, and flags.JavaScript · ExtractJavaScript Import InventoryFind static imports, source packages, local names, and import kinds.JavaScript · ExtractJavaScript Number Literal ExtractorExtract decimal, hex, binary, octal, bigint, and exponent number literals.JavaScript · ExtractJavaScript Object Key FinderFind object property keys, method keys, computed state, and source lines.JavaScript · ExtractJavaScript Optional Chaining FinderList optional member and call expressions with their source lines.JavaScript · ExtractJavaScript String Literal ExtractorExtract string and template text with quote type, length, and source line.JavaScript · ExtractJavaScript Variable Declaration FinderFind declared names, declaration kinds, initial values, lines, and nesting depth.
Developer Tools: Generate Samples
4 appsRegular Expression · GenerateBulk Regex Sample GeneratorGenerate up to 250 matching strings for forms, imports, and test fixtures.Regular Expression · GenerateRegex Example GeneratorEnter a regular expression and make clear example strings that match it.Regular Expression · GenerateSeeded Regex Sample GeneratorUse a seed so the same pattern and settings make the same strings again.Regular Expression · GenerateUnique Regex Sample GeneratorTry extra generations and keep only distinct strings that match your pattern.
Developer Tools: Inspect & Validate
5 appsLiquid · CheckLiquid Filter InventoryFind Liquid filter names, counts, and source lines without rendering the output.Liquid · CheckLiquid Output Escaping CheckerList output expressions and confirm that Bookify's preview applies default HTML escaping.Liquid · CheckLiquid Syntax CheckerParse a Liquid template with strict filters and show a clear local syntax result.Liquid · CheckLiquid Tag InventoryList if, for, assign, capture, case, and other Liquid tags with line numbers.Liquid · CheckLiquid Variable FinderFind root variables and full nested paths without rendering the template.
Developer Tools: JSON Web Keys
7 appsJWT · GenerateJWK Key Pair GeneratorGenerate an RS256 or ES256 JWK pair and a stable key ID in your browser.JWT · CheckJWK Thumbprint CalculatorCalculate the RFC 7638 SHA-256 thumbprint and thumbprint URI for a JWK.JWT · ConvertJWK to PEM ConverterConvert an RSA or EC JWK into a public SPKI or private PKCS8 PEM key.JWT · CheckJWKS InspectorList key IDs, algorithms, uses, public fields, and thumbprints in a JWKS file.JWT · ExtractJWKS Key FinderSearch a pasted JWKS for a matching kid and copy the exact public key.JWT · ConvertPEM to JWK ConverterConvert a public SPKI or private PKCS8 RSA or EC key into JWK format.JWT · GenerateSymmetric JWK GeneratorGenerate a 256-bit secret JWK for HS256 signing or A256GCM encryption.
Developer Tools: JWS & JWE
4 appsJWT · CheckJWE Text DecryptorDecrypt a direct A256GCM compact JWE with the passphrase used to make it.JWT · GenerateJWE Text EncryptorProtect text with direct A256GCM encryption and a passphrase-derived local key.JWT · GenerateJWS Message SignerCreate a compact JWS for a text message with a shared secret kept in this tab.JWT · CheckJWS Signature VerifierCheck an HS256 compact JWS and reveal its text only after the signature matches.
Developer Tools: JWT Signing & Checks
5 appsJWT · CheckJWT Claims ValidatorVerify an HS256 token and require the issuer and audience your app expects.JWT · GenerateJWT HS256 SignerTurn JSON claims into a signed HS256 token with a secret that stays in this tab.JWT · GenerateJWT Private Key SignerCreate an RS256 or ES256 token from claims and a local JWK or PKCS8 private key.JWT · CheckJWT Public Key VerifierVerify an RS256 or ES256 token with a local public JWK or SPKI key.JWT · CheckJWT Signature VerifierCheck whether a JWT matches a shared secret, then read the verified claims.
Developer Tools: Numbers & Reports
7 appsJSON · CalculateJSON Average CalculatorCalculate the simple average of numbers collected from JSON records.JSON · AnalyzeJSON Boolean Rule CheckerEvaluate a JSONata condition and return one clear true or false result.JSON · AnalyzeJSON Data Summary MakerCombine counts, totals, averages, and distinct values into one result object.JSON · AnalyzeJSON Key InventoryUse $keys to list top-level keys and the shared keys found in array records.JSON · CalculateJSON Min and Max FinderReturn the minimum and maximum values from one numeric JSON field.JSON · CalculateJSON Total CalculatorSum numbers from a JSON array without moving the data into a spreadsheet.JSON · AnalyzeJSON Value Type InspectorUse $type to report the JSON type at several useful paths.
Developer Tools: Parse & Understand
5 appsJavaScript · AnalyzeJavaScript AST ExplorerParse JavaScript into a clear table of syntax nodes and a downloadable AST.JavaScript · AnalyzeJavaScript AST JSON ExporterParse JavaScript with locations and export its capped Acorn AST as JSON.JavaScript · AnalyzeJavaScript Syntax CheckerFind the first JavaScript syntax error with its line, column, and nearby code.JavaScript · AnalyzeJavaScript Syntax Error ExplainerShow the broken line, exact caret, parser message, and a short fix hint.JavaScript · AnalyzeJavaScript Top-Level Statement OutlineList top-level imports, exports, declarations, classes, and other statements in order.
Developer Tools: Password Planning
7 appsPassword-free JSON · CheckMaster Password Strength CheckerCheck a password-manager master password with a high score and long-length target.Password-free JSON · ComparePassword Comparison ToolSee which of two password ideas has the higher score and guess estimate.Password-free JSON · CheckPassword Feedback ExplainerGet short, simple feedback about what weakens a password and what to change.Password-free JSON · ComparePassword Improvement LabAdd a private change and see whether it truly raises the guess score.Password-free JSON · CheckPassword Safety Report MakerCreate a shareable score, pattern, and advice report with no password text inside it.Password-free JSON · CheckWi-Fi Password Strength CheckerReview a Wi-Fi password with a strong length target and offline attack estimate.Password-free JSON · CheckWork Password Policy CheckerTest length, character rules, and zxcvbn strength in one clear work-policy report.
Developer Tools: Pattern Checks
7 appsPassword-free JSON · CheckDate Pattern Password CheckerSpot date patterns and recent years that can make a password easier to guess.Password-free JSON · CheckDictionary Password CheckerFind dictionary words, common names, and familiar passwords inside one choice.Password-free JSON · CheckKeyboard Pattern Password CheckerDetect common keyboard walks that look complex but are quick to guess.Password-free JSON · CheckPassword Pattern FinderSpot dictionary words, repeats, dates, sequences, and keyboard paths in a password.Password-free JSON · CheckPersonal Info Password Risk CheckerAdd names or words an attacker may know and see whether they weaken the password.Password-free JSON · CheckPIN Strength CheckerCheck a 4 to 12 digit PIN for repeats, sequences, dates, and guess difficulty.Password-free JSON · CheckRepeated Password Pattern CheckerShow repeats that make a password easier to predict, such as aaa or wordword.
Developer Tools: Preview & Convert
1 appDeveloper Tools: Quality Checks
2 appsDeveloper Tools: Query & Find
6 appsJSON · AnalyzeJSON Duplicate Value FinderFind repeated field values in a JSON array and list each duplicate one time.JSON · AnalyzeJSON Path Value FinderUse JSONata path steps to collect nested values without writing a loop.JSON · AnalyzeJSON Record LookupLook up matching records in a JSON array with one simple equality test.JSON · AnalyzeJSON Text Search FilterSearch a text field without case sensitivity and return each matching object.JSON · AnalyzeJSON Unique Value FinderCollect a field from many records and remove repeated values with JSONata.JSON · AnalyzeJSONata Query PlaygroundRun a safe, capped JSONata expression against JSON and inspect the structured result.
Developer Tools: Review Code
5 appsJavaScript · AnalyzeJavaScript Complexity SnapshotShow functions, branches, loops, catches, logical choices, and deepest syntax nesting.JavaScript · AnalyzeJavaScript Conditional InventoryFind if, switch, conditional, and logical expressions with source lines.JavaScript · AnalyzeJavaScript Console Call FinderList console method calls and their source lines before code is shipped.JavaScript · AnalyzeJavaScript Identifier FrequencyCount identifier names and show their frequency, first line, and example role.JavaScript · AnalyzeJavaScript Loop InventoryFind for, for-of, for-in, while, and do-while loops with lines and nesting.
Developer Tools: Strength & Time
6 appsPassword-free JSON · CheckBatch Password Strength CheckerCheck a small list of test passwords and export scores without exporting the passwords.Password-free JSON · CheckPassphrase Strength CheckerMeasure a passphrase by its words, guess score, and estimated attack time.Password-free JSON · CheckPassword Crack Time EstimatorCompare online and offline crack-time estimates without sending the password away.Password-free JSON · CheckPassword Guess Count EstimatorEstimate the number of guesses and log-scale difficulty for one password.Password-free JSON · CheckPassword Length Strength CheckerCompare password length with its real pattern-based score and safe length bands.Password-free JSON · CheckPassword Strength CheckerGet an honest 0 to 4 score, safe advice, and a local crack-time estimate.
Developer Tools: Test Liquid Features
14 appsLiquid · TestLiquid Array Filter TesterTest common Liquid array filters against tags or other JSON lists.Liquid · TestLiquid Assign and Capture TesterTest assign math and capture blocks before placing them in a larger template.Liquid · TestLiquid Case Statement TesterTest case, when, and else branches against a JSON status or label.Liquid · TestLiquid Conditional TesterChange JSON values and see which Liquid conditional branch renders.Liquid · TestLiquid Cycle Tag TesterPreview repeating labels or row styles made with Liquid's cycle tag.Liquid · TestLiquid Date Format TesterTest Liquid's date filter with a fixed sample time and clear format codes.Liquid · TestLiquid Default Value TesterTest the default filter with present, blank, and missing JSON fields.Liquid · TestLiquid Filter Chain TesterTest the order and result of a Liquid filter chain on real sample data.Liquid · TestLiquid For Loop TesterTest for-loop indexes, first and last flags, limits, and array values.Liquid · TestLiquid Money Format TesterTest division, rounding, and currency text for price values stored as cents.Liquid · TestLiquid String Filter TesterTest capitalization, trimming, replacement, truncation, and other string filters.Liquid · TestLiquid Unless Tag TesterTest Liquid's unless tag with stock, status, or customer data.Liquid · TestLiquid URL Handle Template TesterTest lowercase, replacement, and cleanup filters for a basic URL handle.Liquid · TestLiquid Whitespace Control TesterCompare normal Liquid delimiters with dash-trimmed tags and output marks.
Productivity
6 appsProductivity: Calendars & Time
6 appsCalendar · GenerateCalendar Invite MakerMake an .ics event file that opens in Apple Calendar, Google Calendar, Outlook, and more.Calendar · CalculateHoliday-Aware Workday CalculatorAdd working days to a date while skipping weekends and public holidays in your country.Calendar · CheckICS Calendar File InspectorOpen an .ics calendar file and read its events in a clean, simple list.Calendar · ViewNext Public Holiday FinderFind the next public holiday after any date and count how many days are left.Calendar · ViewPublic Holiday FinderSee public holidays for a country and year, including observed days and local names.Calendar · CalculateWorld Meeting Time PlannerCompare one meeting across time zones and catch dates that move to another day.
Learning & Reference
275 appsLearning & Reference: Reading & Words
5 appsText · CheckGrade 4 Writing CheckerCheck if your sentences and word choices are friendly for a typical fourth-grade reader.Text · CheckKids Readability CheckerSee how easy your writing is to read and spot words that may slow a young reader down.Text · GenerateReading Choice Quiz Maker for KidsTurn a short reading passage into a path with answers, clues, and feedback.Text · CheckSimple Word CheckerCheck whether a word is on the list of words most fourth graders know.Text · CheckTricky Word FinderFind the less familiar words in a story, lesson, or note so you know what to explain.
Learning & Reference: Early Reading
5 appsText · CheckAlphabet Flipbook Maker for KidsPick a starting letter and turn through six big letter-and-word pages.Text · CheckEarly Reader CheckerCheck a short passage against familiar words used by children who are learning to read.Text · GenerateEasy Sentence BuilderBuild short practice sentences from familiar early-reader words.Text · CheckFirst Reader Word CheckerCheck one word at a time to see if many beginning readers may know it.Text · GenerateReading Practice MakerTurn a few familiar words into quick read, find, and write practice cards.
Learning & Reference: Vocabulary & Words
22 appsWord data · CheckDictionary Teamwork Explorer for KidsSee how volunteer editors and contributors worked together on a word.Word data · CheckFriendly Dictionary for KidsLook up a familiar word and read clear meanings, examples, and close words together.Word data · CheckHuman-Edited Word Meanings for KidsOpen up one word and see the different ideas that can share its spelling.Word data · CheckKid ThesaurusFind familiar words connected to your idea without ads, accounts, or tricky definitions.Word data · CheckMultiple Word Meaning Finder for KidsSee how one spelling can have several meanings, like bat, spring, or play.Word data · CheckOpposite Word Finder for KidsFind an opposite word and see the exact meaning that makes the pair work.Word data · CheckParts of a Thing Explorer for KidsLook inside a thing and name the smaller pieces that help make it whole.Word data · CheckPoetry Word Bank for KidsMake short, medium, and long word lists around one idea for your next poem.Word data · CheckSimple Word Swap Finder for KidsTurn a long word into shorter choices that may be easier to read and explain.Word data · CheckSimple WordNet Dictionary for KidsLook up a familiar word and see its meanings, examples, and close words in one clear place.Word data · CheckSpecific Word Kinds Explorer for KidsStart with a broad group and discover more exact kinds inside it.Word data · CheckStronger Word Finder for KidsFind longer, more colorful word choices for stories, poems, and school writing.Word data · CheckSynonym by Meaning Finder for KidsRead the meaning first, then pick a close word that says the same idea.Word data · CheckSynonyms by Definition for KidsRead one definition, then find close words that match that exact idea.Word data · CheckVocabulary Flipbook Maker for KidsAdd six words and make a page-turning book with simple meanings or drawing prompts.Word data · CheckVocabulary Ladder Maker for KidsFollow a playful chain where every new word connects to the word before it.Word data · CheckWhole and Part Word Explorer for KidsStart with one part and find a larger whole that may contain it.Word data · CheckWord Category Ladder for KidsClimb from one exact word to the bigger groups it belongs to.Word data · CheckWord Example Sentence Finder for KidsFind real example sentences and see the meaning connected to each one.Word data · CheckWord Meaning Count Comparer for KidsPut two words side by side and compare their meanings, jobs, and examples.Word data · CheckWord Relationship Map for KidsPut one word in the middle and explore its groups, kinds, parts, and close words.Word data · CheckWord Web Maker for KidsPut one word in the middle and build a clear web of connected ideas around it.
Learning & Reference: Phonics & Rhymes
10 appsWord data · CheckAlliteration Word Finder for KidsFind familiar words that begin with the same sound for silly sentences and poems.Word data · CheckFirst and Last Sound Finder for KidsSlow a word down and see the speech sound at its beginning and at its end.Word data · CheckHomophone Finder for KidsFind familiar words that sound the same but may have a different spelling or meaning.Word data · CheckPoetry Meter Checker for KidsTurn one short poetry line into a clear pattern of strong and soft syllable beats.Word data · CheckPronunciation Decoder for KidsTurn dictionary sound codes into short, friendly chunks you can read from left to right.Word data · CheckRhyme Finder for KidsFind familiar words with the same ending sounds for poems, songs, and word games.Word data · CheckRhyming Pair Checker for KidsCheck two words and learn whether their last strong vowel and ending sounds match.Word data · CheckSyllable Clapping PracticeType one word and get a big clap marker for every vowel beat you should hear.Word data · CheckSyllable Counter for KidsCount the vowel beats in a short sentence and see the count for every word.Word data · CheckWord Stress Finder for KidsSee which syllables have a strong beat and which syllables have a softer beat.
Learning & Reference: Math Learning
10 appsNumber · CheckCombination Counter for KidsFind how many different groups you can choose when the order does not matter.Number · CheckFactorial Explorer for KidsSee how a factorial multiplies a whole number by every smaller positive number.Number · CheckFraction Simplifier for KidsReduce a fraction to its simplest form and see the number used to divide it.Number · CheckGoldbach Prime Pairs ExplorerSplit an even number into two prime numbers and discover a famous math pattern.Number · CheckGreatest Common Factor Finder for KidsFind the biggest whole number that divides two numbers with nothing left over.Number · CheckLeast Common Multiple Finder for KidsFind the first positive number that two whole numbers both divide evenly.Number · CheckMean, Median, and Mode for KidsCheck a short number list and see its mean, median, mode, and range together.Number · CheckNumber to Words for KidsTurn a number into clear English words for homework, checks, and reading practice.Number · CheckPrime Factor Tree MakerBreak a number into the small prime numbers that multiply to make it.Number · CheckPrime Number Checker for KidsCheck whether a whole number is prime and see every factor that divides it evenly.
Learning & Reference: Math Writing
4 appsLaTeX · GenerateEquation Editor for KidsType fractions, roots, powers, and full equations with a friendly math keyboard.LaTeX · GenerateFraction Builder for KidsBuild neat stacked fractions and combine them with plus, minus, and times signs.LaTeX · GenerateMath Symbol Keyboard for KidsFind and type common math symbols without hunting through a computer keyboard.LaTeX · GeneratePrintable Equation Sheet MakerType a clean math problem, add a title, and print a simple practice page.
Learning & Reference: Handwriting Practice
3 appsPrintable · GenerateHandwriting Practice Sheet MakerType a short sentence and print lined rows for tracing and copying practice.Art · GenerateHandwriting Stroke Animator for KidsWatch simple capital A, M, and S strokes draw in a helpful order for practice.Printable · GenerateName Tracing Sheet MakerType a name and make a simple practice page with large, easy-to-trace letters.
Learning & Reference: Music Learning
19 appsAudio · GenerateArpeggio Direction Explorer for KidsCompare an arpeggio that climbs, falls, or makes wide jumps.Audio · GenerateArpeggio Pattern Player for KidsBreak a chord into single notes and compare playful note patterns.Audio · GenerateCall-and-Response Melody Maker for KidsHear four call notes, then make four notes that answer them.Audio · GenerateChord Strum Explorer for KidsHear one chord from low to high, high to low, or all together.Audio · GenerateEasy Melody PracticeFollow a short row of notes and practice a tiny song at your own speed.Audio · GenerateInstrument Family Sampler for KidsHear keys, strings, brass, and woodwinds side by side with big sound cards.Audio · GenerateInstrument Range Explorer for KidsChoose an instrument and hear three notes across its useful pitch range.Audio · GenerateMajor and Minor Chord Listener for KidsPick a starting note and hear how major and minor chords differ.Audio · GenerateMajor Scale Piano Step Trainer for KidsPlay C, G, or F major one correct step at a time on the touch piano.Audio · GenerateMelody Pitch Transposer for KidsShift every note in a local melody by the same amount while its rhythm stays steady.Audio · GenerateNote Length Listener for KidsHear the same sampled instrument play a short, medium, and long note.Audio · GenerateOctave Pitch Shift Explorer for KidsHear exactly what one octave down, one octave up, and a wide jump sound like.Audio · GeneratePiano Chord Shape Trainer for KidsBuild clear major and minor chord shapes by finding all three piano notes.Audio · GeneratePiano Note Frequency FinderTap any piano key to see its note name and frequency in hertz.Audio · GeneratePiano Note Name Practice for KidsSee a note name like C4 or F sharp, then find it on the touch piano.Audio · GeneratePitch Up-or-Down Listener for KidsHear an original and changed sound take turns, then listen for the direction.Audio · GenerateSemitone Pitch Step Explorer for KidsMove a sound one, three, or five keyboard steps and see its exact pitch factor.Audio · GenerateSight-Reading Piano Practice for KidsLook at one clear staff note, then find and play it on the piano.Audio · GenerateSoft and Loud Instrument Listener for KidsCompare one instrument played softly, in the middle, and strongly.
Learning & Reference: Science Labs
5 appsSimulation · GenerateBall Drop Physics LabDrop bright balls onto ramps and see how gravity guides every roll and bounce.SVG · GenerateCommon Molecule Explorer for KidsExplore the shapes behind caffeine, sugar, aspirin, vitamin C, and more.SVG · GenerateMolecular Formula FinderDraw a molecule from SMILES and find its molecular formula in one clear step.SVG · GenerateMolecule Coloring Page MakerMake a clean black-and-white molecule picture to print, trace, or color.SVG · GenerateMolecule Structure DrawerTurn a short chemistry code into a clear picture of atoms and bonds.
Learning & Reference: Feelings & Emoji
3 appsEmoji · GenerateEmoji Check-In MakerMake a simple set of emoji choices for a classroom, family, or team check-in.Emoji · CheckEmoji Mood MeterChoose an emoji and see whether it usually feels sunny, mixed, or tough.Emoji · ViewFeelings Emoji SorterSort emoji into sunny, mixed, and tough feeling groups.
Learning & Reference: Emoji Word Play
2 appsLearning & Reference: Citations & Research
1 appLearning & Reference: Culture & Dates
4 appsReference · ConvertChinese Lunar Date ConverterTurn a Gregorian date into its Chinese lunar date, zodiac year, and solar term.Reference · ViewChinese Zodiac FinderFind the Chinese zodiac animal and traditional year name for any birthday.Reference · CalculatePrayer Times CalculatorCalculate daily Islamic prayer times from a date, location, and trusted calculation method.Reference · ViewQibla Direction FinderFind the compass direction toward the Kaaba from any latitude and longitude.
Learning & Reference: Sky & Science
4 appsAstronomy · CalculateEquinox & Solstice CalculatorFind the exact equinox and solstice times that mark the four astronomical seasons.Astronomy · CalculateMoon Phase FinderSee the Moon's phase, illumination, and the next four quarter phases for any date.Astronomy · CalculateNext Eclipse FinderFind the next solar and lunar eclipses after any date with their type and peak time.Astronomy · CalculateSunrise & Sunset CalculatorCalculate sunrise, sunset, and daylight length from a date and coordinates.
Learning & Reference: Countries & Travel
7 appsWorld data · ViewCountry Calling Code FinderFind the international phone prefix for any country, or search a prefix to see possible countries.World data · ViewCountry Comparison ToolCompare two countries side by side by area, region, currencies, languages, and borders.World data · ViewCountry Currency FinderFind the currency name, code, and symbol used by any country.World data · ViewCountry Fact FinderLook up a country's capital, region, codes, currencies, languages, area, and neighbours.World data · ViewCountry Language FinderSee the listed languages and native country names for any country.World data · ConvertPlus Code DecoderDecode a full Plus Code into its center coordinates and covered area.World data · GeneratePlus Code GeneratorTurn latitude and longitude into a shareable Plus Code that works without a street address.
Learning & Reference: Everyday Checks
4 appsReference · CheckIBAN Checker & FormatterCheck an IBAN's country structure and checksum, then format it into readable groups.Reference · CheckInternational Phone Number CheckerCheck whether an international phone number has a possible and valid shape, then format it clearly.Reference · CheckISBN Checker & ConverterValidate ISBN-10 or ISBN-13, add correct hyphens, and convert between book-number formats.Reference · ViewPhone Number Country FinderFind the likely country and calling code for an international phone number.
Learning & Reference: 3D Chemistry
6 appsSVG · Generate3D Atom Color ExplorerLearn the common colors used for carbon, hydrogen, nitrogen, and oxygen atoms.SVG · Generate3D Molecule Viewer for KidsTurn, zoom, and compare familiar molecules in a clear interactive 3D lab.SVG · GenerateCaffeine Molecule 3D ExplorerTurn the 24 atoms in a caffeine molecule and see its two joined rings.SVG · GenerateDNA Base 3D Explorer for KidsMeet adenine, one of the four letter-like bases that help make DNA.SVG · GenerateMolecule Shape Explorer for KidsCompare straight, bent, flat, pyramid, and tetrahedron molecule shapes.SVG · GenerateMolecule Style Switcher for KidsSwitch one molecule between balls, sticks, filled atoms, and simple lines.
Learning & Reference: 8-Bit Learning Arcade
9 appsQuiz · CheckFact or Fiction Arcade for KidsRead quick science, math, and everyday statements, choose fact or fiction, and learn from each helper.Text · CheckKindness Combo Maker for KidsLoad a small kindness idea, draw another when it does not fit, and mark the move when it is done.Emoji · CheckPixel Mood Check-In for KidsChoose calm, happy, tired, worried, frustrated, or excited and get one small, safe next step.Text · CheckReading Power-Up Tracker for KidsChoose a text, read for five minutes, notice one idea, and tell or write what happened.Text · CheckScreen Break Timer for KidsChoose a short break, use the large timer, look far away, blink, and return when your eyes and body feel ready.Word data · CheckSpelling Blaster Game for KidsUse a clue and sound-part hint to type useful words, fix mistakes, and fill the word power bar.Text · CheckStudy Level Planner for KidsGather tools, read directions, finish one part, check one answer, and choose what comes next.Number · CheckTimes Table Arcade for KidsPractice friendly times-table questions, get a clear helper after a miss, and fill an 8-bit power bar.Word data · CheckTyping Speed Run for KidsType positive sentences, see live accuracy, and earn points for matching every letter and mark.
Learning & Reference: Accessibility Tools
1 appLearning & Reference: Accessible Reading
5 appsText · CheckHyperlegible Reading Preview for KidsPreview a short passage with distinct letter shapes, large type, and roomy lines.Printable · GenerateLarge-Print Reading Card MakerTurn a short direction, reminder, or fact into a clear large-print card.Text · CheckOpenDyslexic Reading PreviewPreview your own passage in OpenDyslexic and choose the size and spacing you prefer.Text · CheckOpenDyslexic Reading Ruler for KidsHighlight one line, then move the reading ruler up or down through a short passage.Text · CheckSpaced Reading Card Maker for KidsAdjust letter, word, and line spacing to make a reading card that feels comfortable.
Learning & Reference: Animals & Nature
1 appLearning & Reference: Animation Makers
1 appLearning & Reference: Classroom Helpers
1 appLearning & Reference: Classroom Printables
1 appLearning & Reference: Classroom Supports
1 appLearning & Reference: Classroom Tools
4 appsArt · GenerateClassroom Demo Stop-Motion for KidsCapture a fraction model, bridge build, or sorting activity and replay every step for the class.Text · GenerateClassroom Scenario Builder for KidsMake a safe choice story about teamwork, learning, or solving a class problem.Text · GenerateInk Classroom Decision Story for KidsTurn a classroom problem into a coded story with teamwork points.Art · GenerateWhiteboard Stop-Motion Maker for KidsAdd a few marks between pictures to reveal a word, math idea, or map route clearly.
Learning & Reference: Coding Concepts
1 appLearning & Reference: Coding Helpers
1 appLearning & Reference: Comics & Characters
2 appsLearning & Reference: Communication
3 appsEmoji · CheckClassroom Choice Board for KidsChoose art, music, a book, a game, a ball, or a bike with one clear tap.Emoji · CheckFeelings Communication Board for KidsTap a big face to share happy, sad, angry, worried, tired, or calm feelings.Emoji · CheckNeeds Communication Board for KidsTap a clear picture to ask for a drink, food, help, the bathroom, rest, or a talk.
Learning & Reference: Countries & Cultures
4 appsQuiz · CheckCountry Calling Code Finder for KidsType the digits after a plus sign and see which countries use that calling code.Quiz · CheckCountry Facts Explorer for KidsSee a country's flag, capital, continent, languages, money, and calling code.Quiz · CheckWorld Currencies Explorer for KidsPick a currency and see its name, symbol, code, and places that use it.Quiz · CheckWorld Languages Explorer for KidsPick a language, read its local name, and see countries where it is listed.
Learning & Reference: Creative Coding
3 appsArt · GenerateTurtle Code Drawing PlaygroundGive a turtle a few simple commands and watch it draw a bright picture one line at a time.Art · GenerateTurtle Coordinate Path BuilderSend the turtle to x and y points and see those coordinates join into a clear path.Art · GenerateTurtle Polygon MakerChoose the number of sides and see how forward steps and equal turns make a polygon.
Learning & Reference: Daylight Tables
3 appsCoordinates · CalculateDaylight Comparison ToolCompare daylight length, sunrise, and sunset between two dates at the same location.Coordinates · CalculateMonthly Daylight TableBuild a full month of sunrise, sunset, and daylight durations for one place.Coordinates · CalculateWeekly Daylight TableBuild a seven-day sunrise, sunset, and daylight table from one starting date.
Learning & Reference: Ear Training
1 appLearning & Reference: Feelings & Friendship
2 appsLearning & Reference: Fraction Tools
1 appLearning & Reference: Geometry Tools
4 appsNumber · CheckAngle Sketch Lab for KidsDraw and move two rays to explore acute, right, and obtuse angles on a large grid.Number · CheckCoordinate Plane Drawing Tool for KidsUse four quadrants to make a point picture, mark coordinates, or plan a route across a grid.LaTeX · GenerateGeometry Construction Animator for KidsWatch a triangle, hexagon, or set of angles grow from clear construction lines.Number · CheckGeometry Construction Board for KidsMake a shape house, matching halves, or a repeating pattern on a clear square grid.
Learning & Reference: Grammar & Words
2 appsLearning & Reference: History Learning
1 appLearning & Reference: Language & Words
1 appLearning & Reference: Learn to Code
2 appsLearning & Reference: Learning Quests
11 appsText · CheckChore Level-Up Chart for KidsCheck off a few useful home jobs, add your own chore, and watch a simple hero level grow.Text · CheckClassroom Team Quest Board for KidsTrack shared jobs for taking turns, hearing every voice, finishing a goal, and cleaning the team space.Text · CheckConfidence Shield Builder for KidsBuild a short reminder from a strength, helpful thought, next move, and shield symbol.Text · CheckDaily Kindness Quest for KidsPick a safe, free kindness idea for an ordinary day and celebrate when the small quest is done.Text · CheckHealthy Habit Hero for KidsTrack water, enjoyable movement, helpful food, and sleep preparation without chasing perfection.Text · CheckHomework Quest Board for KidsBreak homework into clear missions, finish one step at a time, and build a simple experience bar.Number · CheckMath Monster Battle for KidsSolve addition, subtraction, multiplication, division, and halving puzzles to fill a victory bar.Text · CheckReading Adventure Timer for KidsChoose a five, ten, fifteen, or twenty minute reading quest and track one calm session.Word data · CheckSpelling Spellbook Quest for KidsRead a friendly clue, type the hidden word, and use a sound-part hint when you need help.Text · CheckStudy Potion Focus Timer for KidsChoose a short focus quest, use the big timer, and mark the session done when it is time to rest.Word data · CheckVocabulary Treasure Hunt for KidsFind six word treasures by choosing the word that fits each clear, fifth-grade-friendly meaning.
Learning & Reference: Letters & Numbers
1 appLearning & Reference: Light & Twilight
6 appsCoordinates · CalculateAstronomical Darkness PlannerFind when astronomical night starts, ends, and reaches its darkest point.Coordinates · CalculateBlue Hour CalculatorEstimate morning and evening blue hour using the sun's minus 8 to minus 4 degree range.Coordinates · CalculateCivil Twilight PlannerFind the morning and evening civil-twilight windows around sunrise and sunset.Coordinates · CalculateDaylight Length CalculatorCalculate daylight, night length, sunrise, and sunset for a date and place.Coordinates · CalculateNautical Twilight PlannerFind when nautical twilight begins and ends before dawn and after dusk.Coordinates · CalculateTwilight Times CalculatorList astronomical, nautical, civil, sunrise, sunset, and night times in order.
Learning & Reference: Maps & Directions
1 appLearning & Reference: Maps & Geography
3 appsQuiz · CheckContinent Coloring Map MakerChoose a continent, color every country shape in it, and print the map.Quiz · CheckCountry Size Comparer for KidsPut two country outlines side by side and see which map shape takes up more space.Quiz · CheckWorld Map Explorer for KidsPick a country, see it light up on the map, and learn its capital and languages.
Learning & Reference: Math & Dot Art
3 appsArt · GenerateBinary Dot Picture MakerSee how rows of zeros and ones can switch dots off and on to draw a tiny picture.Art · GenerateDot Coordinate Grid ExplorerMove around a 16 by 16 dot grid and see the x, y, and index number for every spot.Art · GenerateTimes Table Dot Art MakerPick a times table and watch its products light up as a colorful dot pattern.
Learning & Reference: Minecraft Learning
9 appsQuiz · CheckMinecraft Biome Explorer for KidsPick a biome and learn its climate, temperature, precipitation, category, and dimension.Quiz · CheckMinecraft Block Facts Explorer for KidsPick a block and see its hardness, light, stack size, transparency, and best tool.Quiz · CheckMinecraft Block Hardness ComparerPut two blocks side by side and see which one is easier or harder to break.Quiz · CheckMinecraft Crafting Recipe Helper for KidsChoose a familiar item and see the ingredients in a clear three-by-three crafting grid.Quiz · CheckMinecraft Enchantment Explorer for KidsChoose an enchantment and see its highest level, item group, treasure flag, and trade flag.Quiz · CheckMinecraft Food Points Explorer for KidsPick a food and see how many food points it gives and how many fit in one stack.Quiz · CheckMinecraft Light Level Explorer for KidsSee how much block light comes from a torch, lantern, glowstone, and other bright blocks.Quiz · CheckMinecraft Mob Size Comparer for KidsChoose two mobs and compare their data-sized shapes from a tiny bee to a tall Enderman.Number · CheckMinecraft Stack Calculator for KidsTurn any item count into full stacks, extra items, and the number of inventory slots needed.
Learning & Reference: Moon Planning
4 appsCoordinates · CalculateMoon Photography PlannerCombine moon position, rise and set times, lit percentage, and phase for one shot time.Coordinates · CalculateMoon Position CalculatorCalculate moon altitude, compass direction, distance, and parallactic angle at one time.Coordinates · CalculateMoonrise & Moonset CalculatorCalculate local moonrise, moonset, and all-day horizon status for a place and date.Coordinates · CalculateSun & Moon Daily TimelineCreate one ordered local timeline for dawn, sun, twilight, moonrise, and moonset.
Learning & Reference: Museums & Art
3 appsArt · GenerateArt History Time Traveler for KidsSlide from ancient Egypt to the 1900s and uncover one museum object at a time.Art · GenerateArt Materials Explorer for KidsCompare paint, metal, clay, jade, wood, cloth, feathers, and other art materials.Art · GenerateMet Museum Object Explorer for KidsMeet cats, dragons, masks, paintings, toys, and more from the Met collection.
Learning & Reference: Painting & Drawing
1 appLearning & Reference: Piano Practice
3 appsAudio · GenerateFind Middle C Piano Practice for KidsPractice finding middle C on a wide piano without a printed answer on the key.Audio · GenerateLearn-a-Melody Piano Trainer for KidsFollow clear note clues on a real touch piano until you can play the whole tune.Audio · GenerateLeft and Right Hand Piano Practice for KidsFollow simple hand clues while low and high piano notes take turns.
Learning & Reference: Reading Practice
1 appLearning & Reference: Science Supports
8 appsSVG · GenerateAtom Motion Model for KidsExplore a simple helium, carbon, or neon model with moving dots and clear pause controls.Art · GenerateNature Outline Tracer for KidsOpen a clear nature picture and turn its strongest edges into a simple outline for a study page.SVG · GenerateScience Diagram Drawing Animator for KidsAnimate a water cycle, plant-parts picture, or simple circuit one useful line at a time.Art · GenerateScience Observation Sketchbook for KidsSketch a leaf, the Moon, or your own object, then circle details and add questions or notes.Art · GenerateScience Process Animator for KidsShow a seed growing, a water drop moving, or moon phases changing in a few clear frames.SVG · GenerateScience Process Stop-Motion for KidsCapture a safe paper or clay model step by step to explain plant growth, cycles, or states.Art · GenerateWeather Journal Animation for KidsPut local sky pictures or weather cards in order and watch clouds, rain, and sunshine change.Art · GenerateWeather Loop Animator for KidsBuild a short repeating sky scene with a drifting cloud, falling drops, or soft snowflakes.
Learning & Reference: Sound Science
12 appsAudio · GenerateChord Pitch Shift Lab for KidsSend a whole three-note chord through real multi-tone pitch shifting.Audio · GenerateHarmonic Series Explorer for KidsHear a starting tone and its first whole-number frequency multiples.Audio · GenerateInstrument Room Sound Explorer for KidsMove one clear slider to hear a close instrument or a roomy echo.Audio · GenerateInstrument Tone Balance Explorer for KidsUse WebAudioFont's real equalizer to make an instrument warmer or brighter.Audio · GenerateOverdrive Tone Explorer for KidsUse Tuna's real waveshaper to hear how a clean tone becomes rough and fuzzy.Audio · GeneratePing-Pong Echo Explorer for KidsSend real delay repeats from one side to the other and back again.Audio · GenerateSound Compressor Loudness Lab for KidsCompare light and strong compression while a clear sound pattern plays.Audio · GenerateSound Filter Sweep Lab for KidsMove a low-pass filter and hear a rich tone open from dark to bright.Audio · GenerateSound Wave Visualizer for KidsChange the pitch and see a sine, triangle, square, or sawtooth wave.Audio · GenerateString Length and Pitch Lab for KidsCompare six string lengths and hear how shortening raises pitch.Audio · GenerateTone Spectrogram Explorer for KidsPlay a generated tone sweep and watch its frequency band move upward.Audio · GenerateVoice Pitch Playground for KidsSlide from low to high pitch while the local demo keeps the same length.
Learning & Reference: Space & Astronomy
1 appLearning & Reference: Space & Planets
7 appsSimulation · GenerateAlien Year Age CalculatorType your Earth age and count how many trips you would make around another star.Simulation · GenerateExoplanet Discovery Timeline for KidsTravel from a 1992 discovery to newer worlds found by watching stars and shadows.Simulation · GenerateExoplanet Distance Race for KidsRace two faraway worlds and see how many years even light would need to reach them.Simulation · GenerateExoplanet Explorer for KidsExplore 12 real faraway worlds and compare their stars, years, sizes, and distances.Simulation · GenerateExoplanet Size Comparer for KidsPut two exoplanets side by side and see how their sizes compare with Earth.Simulation · GenerateExoplanet Temperature Explorer for KidsCompare estimated temperatures on rocky worlds and giant planets far from Earth.Simulation · GenerateSpace Fact Flipbook for KidsExplore six clear pages about planets, the Moon, or stars.
Learning & Reference: Spelling Practice
3 appsPrintable · GenerateHyperlegible Spelling Sheet MakerGive up to ten spelling words distinct shapes and wide writing lines.Printable · GenerateOpenDyslexic Spelling Sheet MakerMake a printable ten-word spelling page in OpenDyslexic with wide writing lines.Text · CheckSpelling Word Magic RevealerScramble one spelling word, say it aloud, then watch every correct letter return.
Learning & Reference: Sun Position
7 appsCoordinates · CalculateObserver Height Sunrise CalculatorCompare sea-level sunrise and sunset with an observer standing above the horizon.Coordinates · CalculateShadow Length CalculatorUse the sun angle and an object's height to estimate its level-ground shadow length.Coordinates · CalculateSolar Noon CalculatorFind local solar noon, the day's highest sun angle, and the darkest night point.Coordinates · CalculateSolar Panel Sun Angle HelperFind the panel tilt and compass direction that faces the sun at one exact time.Coordinates · CalculateSun Position CalculatorCalculate the sun's altitude, compass direction, and horizon status for a place and time.Coordinates · CalculateSunrise Direction CalculatorCalculate the sunrise compass bearing, time, and plain direction for any place and day.Coordinates · CalculateSunset Direction CalculatorCalculate the sunset compass bearing, time, and plain direction for any place and day.
Learning & Reference: Systems Thinking
5 appsSimulation · GenerateBalancing Feedback Loop ExplorerWatch a fan push back against heat and help a room move toward balance.Simulation · GenerateCause-and-Effect Loop Maker for KidsName four connected ideas and watch a change travel all the way around.Simulation · GenerateEcosystem Loop Maker for KidsFollow rain, plants, animals, and soil around a simple meadow system.Simulation · GenerateHabit Loop Mapper for KidsMap how a cue, action, reward, and repeat can turn into a habit.Simulation · GeneratePositive Feedback Loop ExplorerSee how practice, skill, confidence, and motivation can help one another grow.
Learning & Reference: Tracing & Fine Motor
4 appsPrintable · GenerateAlphabet Tracing Board for KidsChoose A, B, or C, start at the green dot, and follow a clear dotted letter with a steady brush.Number · CheckNumber Tracing Board for KidsFollow a large dotted 1, 2, or 3, then draw the same number of stars, dots, or hearts.Printable · GeneratePre-Writing Lines Board for KidsMove from Start to Finish along three large dotted paths and practice steady hand movements at your pace.Number · CheckShape Tracing Board for KidsTrace a circle, triangle, or square, then draw the shape again and turn it into a character.
Learning & Reference: U.S. Geography
3 appsQuiz · CheckState Map Flashcards for KidsTurn over a state shape card to check its name, capital, and region.Quiz · CheckU.S. Regions Coloring Map for KidsColor the Northeast, Midwest, South, and West, then print the map.Quiz · CheckU.S. State Map Explorer for KidsPick a state, see it light up, and learn its capital and region.
Learning & Reference: Visual Learning
2 appsLearning & Reference: Visual Novels
6 appsText · GenerateBook Report Visual Novel Maker for KidsTurn a setting, problem, choice, and lesson into a playable report.Text · GenerateClassroom Visual Novel Maker for KidsTurn a small classroom problem into a calm practice story.Text · GenerateFeelings Visual Novel Maker for KidsShow a feeling, choose a helpful action, and write what changes.Text · GenerateFriendship Visual Novel Practice for KidsTry a kind question, a clear answer, and a helpful next step.Text · GenerateHistory Role-Play Visual Novel for KidsWrite a past problem and compare what different choices can do.Text · GenerateVocabulary Visual Novel Maker for KidsUse clues, dialogue, and examples to make a new word easy to learn.
Learning & Reference: Vocabulary Supports
1 appLearning & Reference: Vocabulary Tools
1 appGames & Play
156 appsGames & Play: Printable Puzzles
7 appsPrintable · GenerateEasy Maze GeneratorMake a small maze with roomy paths for kids who are just getting started.Printable · GenerateEasy Sudoku for KidsTry an easy number puzzle and check your work one square at a time.Printable · GenerateHard Maze GeneratorBuild a bigger maze with many turns for kids who want a real challenge.Printable · GenerateMaze Answer Key MakerMake a maze with a clear answer path for parents, teachers, and puzzle helpers.Printable · GenerateMedium Sudoku PuzzleSolve a medium Sudoku when you are ready for fewer clues and more thinking.Printable · GeneratePrintable Maze MakerMake a one-of-a-kind maze, then print it or save it as an SVG picture.Printable · GeneratePrintable Sudoku with AnswersPrint a Sudoku puzzle and reveal its full answer when it is time to check.
Games & Play: Puzzles & Cubes
4 appsCube moves · CheckCube Algorithm CheckerCheck cube move notation and see a clean version before you practice it.Cube moves · CheckCube Algorithm InverterFlip a cube algorithm so every move runs backward in the right order.Cube moves · CheckCube Move CounterCount the turns in a cube algorithm, including groups, repeats, and commutators.Cube moves · GenerateRubik's Cube Scramble GeneratorMake a fresh practice scramble for a 2×2, 3×3, 4×4, Pyraminx, Skewb, or Megaminx puzzle.
Games & Play: Word Games
10 appsEmoji · GenerateEmoji Riddle MakerMake a small emoji clue and challenge someone to guess the hidden word.Word data · CheckExample Sentence Word Game for KidsRead a real example sentence and choose the word that belongs with it.Word data · CheckFriendly Definition Match Game for KidsRead a word and choose the human-edited definition that matches it.Text · GeneratePretend Excuse MachineMake a clearly pretend, extra-silly excuse for a story, skit, or joke.Printable · GenerateSpelling Word Search MakerMake a friendly word search that hides spelling words forward and sideways.Printable · GenerateThemed Word Search GeneratorPick animals, space, school, or nature and get a ready-to-play word search.Word data · CheckWord Definition Quiz for KidsPick the meaning that matches a familiar word and get a quick answer.Word data · CheckWord Relationship Quiz for KidsChoose the word that is a kind, part, whole, group, or opposite.Printable · GenerateWord Search Answer Key MakerCreate a word search and highlight every hidden word when you need the answers.Printable · GenerateWord Search MakerTurn your own word list into a neat letter puzzle you can print and solve.
Games & Play: Creative Play
1 appGames & Play: Music & Sound
6 appsAudio · GenerateCoin Sound Effect MakerCreate a cheerful coin or treasure pickup sound for a pretend game win.Audio · GenerateJump Sound Effect MakerMake a bouncy jump sound that fits a tiny hero, frog, or space creature.Audio · GenerateLaser Sound Effect MakerMake a fresh pew, zap, or space laser sound each time you press the button.Audio · GenerateMusical Typing KeyboardTurn the letter keys on your computer into notes on a little piano.Audio · GenerateOnline Piano for KidsPlay a bright two-octave piano with your mouse, finger, or computer keys.Audio · GenerateRetro Game Sound MakerMake coins, lasers, jumps, blips, and booms that sound like an old video game.
Games & Play: Physics Play
3 appsSimulation · GenerateBouncy Shape SandboxChoose circles or boxes, turn up the bounce, and fill a playful physics box.Simulation · GenerateReverse Gravity PlaygroundFlip gravity up or down and discover what happens to a box full of shapes.Simulation · GenerateStack and Smash Physics LabBuild a block tower, then drop a heavy ball and watch every bump and tumble.
Games & Play: Randomizers & Pickers
7 appsCoin · GenerateCoin FlipFlip one coin or a whole batch, see heads and tails totals, and track every round without signup.Dice · GenerateDice RollerRoll up to 20 dice with 4, 6, 8, 10, 12, 20, or 100 sides, then add a bonus and keep the history.Picker · GenerateRaffle PickerDraw one or many winners from a pasted entry list, handle extra tickets, and keep an auditable result log.Picker · GenerateRandom Name PickerPick one or several names fairly, keep a clear draw history, and avoid picking the same person twice.Picker · GenerateRandom Number GeneratorGenerate one or many numbers in any range, with unique results, decimals, sorting, and easy copying.Wheel · GenerateSpin WheelMake a colorful wheel, spin it, remove winners if you want, and share the exact setup with your group.Wheel · GenerateYes or No WheelSpin a simple yes or no wheel, change the two answers, or adjust the odds for games and group decisions.
Games & Play: Groups & Teams
1 appGames & Play: Gift Exchanges
1 appGames & Play: 3D Physics Games
10 appsSimulation · Generate3D Block Tower Builder for KidsMove the guide, drop eight chunky blocks, and see how high your steady 3D tower can grow.Simulation · Generate3D Bowling Alley Game for KidsChoose a starting spot, roll the blue ball, and knock down ten soft pins in a friendly 3D lane.Simulation · Generate3D Domino Chain Reaction for KidsTip the first domino and watch one small push travel through a row of twelve 3D blocks.Simulation · Generate3D Marble Ramp Race for KidsRelease bright marbles one at a time and watch real 3D gravity carry them down a long ramp.Simulation · Generate3D Peg Drop Game for KidsPick a starting spot and watch six balls bounce through a 3D field of round pegs.Simulation · Generate3D Seesaw Balance Game for KidsChoose a side, place soft weights, and keep a hinged 3D seesaw close to level for five stars.Simulation · GenerateComet Target Physics Game for KidsChange the launch angle and guide five tiny comets along curved paths into a glowing target.Simulation · GenerateMoon Bounce Physics Lab for KidsBoost a golden moon ball and count eight slow bounces while gentle gravity pulls it back down.Simulation · GenerateWiggly Bridge Physics Test for KidsSend five round parcels across a wiggly bridge and watch each linked plank pull on the next.Simulation · GenerateZero-Gravity Space Gates for KidsLaunch a small pod and steer through three glowing gates in a calm lane with no gravity.
Games & Play: 8-Bit Learning Arcade
2 appsGames & Play: Animated Text
1 appGames & Play: Animation Makers
2 appsGames & Play: Drawing Games
2 appsPrintable · GenerateConnect-the-Dots Drawing Board for KidsConnect numbered dots to make a star, fish, or rocket, then add color, scenery, and your own details.Art · GenerateQuick Draw Guessing Game for KidsPick a silly secret prompt, draw it on a clean board, and let a friend or family member guess the picture.
Games & Play: Falling Sand Experiments
12 appsSimulation · GenerateCellular Sand Timer for KidsFill a clear timer with golden sand and watch each tiny grain pass through the narrow middle.Simulation · GenerateCellular Volcano Builder for KidsAdd bright lava inside a stone mountain and watch the hot cells find paths down both sides.Simulation · GenerateCloning Cell Pattern Lab for KidsPlace sand, water, or plants beside purple cloners and watch the neighboring cells get copied.Simulation · GenerateFalling Sand Playground for KidsPaint sand, water, stone, wood, plants, and ice, then watch thousands of tiny cells move and change.Simulation · GenerateFungus Pattern Garden for KidsAdd fungus near wood and plants, then watch a branching cellular pattern spread through the garden.Simulation · GenerateIce Melting Experiment for KidsPlace small fire cells near three ice blocks and watch cold solid cells become moving water.Simulation · GenerateOil and Water Layer Lab for KidsPaint oil and water inside a clear tank and watch the two liquids rearrange into layers.Simulation · GeneratePowder Sorting Maze for KidsDrop sand and lighter dust through sloped shelves and compare where the two powders settle.Art · GenerateRocket Pixel Art Sandbox for KidsPaint bright rocket cells near the ground and watch them climb through a calm cellular sky.Simulation · GenerateTiny Seed Garden Simulator for KidsAdd water near five tiny seeds and watch a green cellular garden grow above the soil.Simulation · GenerateWater and Sand Erosion Lab for KidsAdd moving water above two sand hills and watch the cellular slopes shift grain by grain.Simulation · GenerateWater Channel Builder for KidsDraw simple walls and guide moving blue water from a high tank into three cups below.
Games & Play: Friendly 2D Games
10 appsText · CheckBee Garden Pollen Game for KidsGuide a little bee around the garden and visit eight flowers before the timer ends.Text · CheckBubble Pop Challenge for KidsFind each bright bubble, tap it, and pop ten bubbles before the timer runs out.Number · CheckFirefly Counting Game for KidsRead the number, tap exactly that many glowing fireflies, and check four counting rounds.Text · CheckForest Apple Dash Game for KidsMove around a forest trail, gather ten red apples, and take a new path when a rock is near.Text · CheckMeteor Shield Game for KidsSlide a wide shield under falling meteors and bounce twelve of them away from the town.Simulation · GenerateMoon Lander Game for KidsSteer a tiny moon ship with short boosts and land slowly on the green landing pad.Text · CheckOcean Cleanup Game for KidsMove a small boat around the water, collect eight pieces of litter, and avoid the jellyfish.Text · CheckRiver Stone Hop Game for KidsGuide the green frog across the river while pieces of driftwood slide past each row.Text · CheckRobot Key Rescue Game for KidsGuide the blue robot through a simple path, collect the gold key, and reach the green door.Text · CheckShape Sort Tap Game for KidsRead one short clue, then tap the circle, square, wide box, or tall box that matches.
Games & Play: Geography Games
4 appsQuiz · CheckCapital City Quiz for KidsPick the capital city that belongs to each country and learn as you play.Quiz · CheckCountry Shape Quiz for KidsLook at one country outline and choose the name that matches its shape.Quiz · CheckFlag and Country Matching GameLook at one bright flag and choose the country name that belongs with it.Quiz · CheckWorld Map Scavenger Hunt for KidsUse a capital clue to name a country, then reveal its place on the world map.
Games & Play: Grammar Games
1 appGames & Play: Instrument Sounds
1 appGames & Play: Kids Trivia
8 appsQuiz · CheckAnimal Trivia for KidsAnswer six friendly animal questions and learn one quick fact after every guess.Quiz · CheckBook Trivia for KidsGuess the writers and characters from well-known children's books and fairy tales.Quiz · CheckGeneral Knowledge Quiz for KidsWarm up your brain with friendly questions about shapes, music, nature, and daily life.Quiz · CheckGeography Trivia for KidsExplore continents, oceans, rivers, deserts, flags, and capital cities in six questions.Quiz · CheckHistory Trivia for KidsMeet builders, inventors, athletes, and writers from long ago in one quick quiz.Quiz · CheckMixed Trivia Challenge for KidsGet a surprise mix of animal, space, science, world, history, book, and everyday facts.Quiz · CheckScience Trivia for KidsTry simple questions about water, plants, air, materials, and forces around us.Quiz · CheckSpace Trivia for KidsTest what you know about planets, stars, moons, and people who explored space.
Games & Play: Letters & Numbers
1 appGames & Play: Mazes
1 appGames & Play: Minecraft Learning
1 appGames & Play: Museums & Art
3 appsArt · GenerateMuseum Maker Match for KidsMatch a museum object with the artist, factory, or culture that made it.Art · GenerateMuseum Object Guessing GameUse the material, place, and date clues to uncover a hidden museum object.Art · GenerateMuseum Scavenger Hunt for KidsRead a clue and find the matching object in a quick museum picture hunt.
Games & Play: Music Games
4 appsAudio · GenerateFollow-the-Lights Piano for KidsWatch one piano key glow, match it, and keep going until every light is done.Audio · GenerateMelody Memory Piano Challenge for KidsHear a short tune, hide the note hint, and rebuild it from memory.Audio · GenerateMystery Instrument Guesser for KidsPlay one hidden instrument, listen for clues, and choose your best answer.Audio · GenerateRhythm and Notes Piano Trainer for KidsCopy a short piano pattern and see how closely your taps match the beat.
Games & Play: Music Makers
7 appsAudio · GenerateChord Progression Builder for KidsChoose four scale numbers and hear how the chords travel together.Audio · GenerateComputer-Key Piano Practice for KidsUse printed computer letters to play a piano pattern without reaching for a mouse.Audio · GenerateMelody Grid Maker for KidsTap one square in each column, then play your eight-note melody.Audio · GeneratePiano-Roll Composer for KidsBuild a short tune on a clear piano roll and download real MIDI.Audio · GenerateSampled-Instrument Chord Player for KidsBuild a major or minor chord and hear it with a real sampled instrument.Audio · GenerateSampled-Instrument Melody Maker for KidsShape an eight-note tune and hear it with one of twelve local instruments.Audio · GenerateTwo-Instrument Duet Maker for KidsChoose two sampled instruments and hear them trade eight melody notes.
Games & Play: Rhythm Tools
1 appGames & Play: Sound Makers
3 appsAudio · GenerateAlien Pitch Sweep Voice for KidsHear one space signal sweep through several pitches in a real audio worklet.Audio · GenerateAudio Effect Chain Builder for KidsHear one sound travel through overdrive, a filter, and delay from left to right.Audio · GenerateRetro Bitcrusher Sound Maker for KidsLower the digital detail of a demo tone to make arcade and tiny-chip sounds.
Games & Play: Tile & Adventure Games
10 appsText · CheckAcorn Platform Hop Game for KidsHelp a small squirrel jump across grassy ledges and gather eight acorns around the forest.Text · CheckAsteroid Dodge Flight Game for KidsMove a tiny ship left and right, watch the whole sky, and dodge asteroids for fifteen seconds.Text · CheckButterfly Meadow Chase Game for KidsMove calmly through the meadow and find eight colorful butterflies as they drift among the flowers.Text · CheckCastle Coin Quest Game for KidsWalk through castle doorways, explore every room, and gather ten gold coins before time ends.Text · CheckDino Egg Rescue Game for KidsGuide a green dinosaur around the valley, rescue eight eggs, and steer clear of the lava rocks.Text · CheckGarden Mole Tap Game for KidsLook across six garden holes and tap ten friendly moles when they pop up to say hello.Text · CheckPenguin Ice Slide Puzzle for KidsPlan straight slides through a snowy maze and help the little penguin reach the golden fish.Text · CheckSnowball Target Toss Game for KidsWatch a moving target and land eight soft snowballs in its bright rings before time runs out.Text · CheckTreasure Tile Trail Game for KidsMove one tile at a time, gather five bright gems, and reach the green exit at the end of the trail.Text · CheckTurtle Pond Crossing Game for KidsHelp a small turtle cross the pond one row at a time while the lily pads glide past.
Games & Play: Tiny Arcade Games
8 appsText · CheckCatch the Stars Game for KidsSlide a wide basket under falling stars and catch as many as you can in thirty seconds.Text · CheckColor Match Arcade Game for KidsRead the color name, tap the matching circle, and build a score before time runs out.Text · CheckDodge the Blocks Game for KidsSlide left and right, dodge each falling block, and see how long your three tries last.Number · CheckFalling Math Answer GameSolve one short math problem and move the catcher under the correct falling answer.Text · CheckMaze Dash Game for KidsGuide the blue square through a fresh maze with arrow keys, touch, or four big buttons.Text · CheckPaddle Bounce Game for KidsMove the paddle, bounce the ball ten times, and keep it from slipping off the screen.Text · CheckSpace Crystal Collector GamePilot a tiny ship around the board and collect every crystal before the timer ends.Text · CheckTarget Tap Game for KidsFind the bright target, tap it, and follow it to a new spot as quickly as you can.
Games & Play: U.S. Geography
1 appGames & Play: Voice & Sound Effects
11 appsAudio · GenerateCartoon Voice Maker for KidsTry small pitch moves on a demo or optional voice to make a cartoon character.Audio · GenerateChipmunk Voice Transformer for KidsRaise a local demo or optional live voice into a bright chipmunk character.Audio · GenerateEcho Cave Voice Changer for KidsBuild short or deep cave repeats with a demo sound or optional microphone.Audio · GenerateFairy Voice Transformer for KidsRaise a smooth melody or optional voice into a clear, sparkling fairy sound.Audio · GenerateFriendly Monster Voice Transformer for KidsLower a rough demo or optional voice to invent a big, friendly monster.Audio · GenerateGiant Voice Transformer for KidsLower a local demo or optional live voice into a big, friendly giant sound.Audio · GeneratePhaser Voice Changer for KidsMove several small filters together to make a smooth science-fiction sweep.Audio · GenerateRobot Voice Transformer for KidsMake a demo tone or optional live voice sound like a friendly digital robot.Audio · GenerateSpace Chorus Voice Changer for KidsMake one sound feel like several moving voices with real chorus and panning.Audio · GenerateTremolo Voice Changer for KidsTurn a sound up and down in gentle waves or quick helicopter-like pulses.Audio · GenerateWah-Wah Voice Changer for KidsOpen and close a real sound filter to make tones and voices say wah.
Games & Play: Voxel Worlds
12 appsArt · Generate3D Block Bridge Builder for KidsPlace wood, stone, glass, or gold blocks to make a safe bridge between two meadows.Art · Generate3D Pattern Wall Maker for KidsCover a blank stone wall with colorful stripes, checks, letters, or your own repeating rule.Art · GenerateBlock Garden Planner for KidsPlan a 3D garden with soil beds, leafy plants, bright flowers, paths, and a tiny seat.Art · GenerateRainbow Voxel Tower for KidsUse six colorful blocks to stack a tall tower on a marked stone and gold base.Art · GenerateSky Island Builder for KidsBuild a safe glass and stone lookout on a small island floating in a calm blue sky.Art · GenerateSymmetry Castle Builder for KidsStudy the left tower, then copy its stone, wood, glass, and color blocks onto the right side.Art · GenerateTiny Voxel House Builder for KidsComplete a small block house with walls, windows, a roof, and an open doorway.Art · GenerateTreasure Trail Voxel Explorer for KidsExplore a winding stone trail, add bright signs, and build a shelter beside the last gold clue.Art · GenerateVoxel Block Builder for KidsWalk through a friendly block meadow and build an original 3D idea with ten colorful materials.Art · GenerateVoxel Maze Explorer for KidsWalk through a wide 3D stone maze and place bright markers so you remember each turn.Art · GenerateVoxel Staircase Builder for KidsFollow three starter steps and build a staircase that climbs to a small gold landing.Art · GenerateVoxel Statue Maker for KidsUse a small stone stand and colorful blocks to make an animal, robot, face, or symbol.