Free tools that run in your browser
862 private, instant tools for developers, creators and everyone else. Nothing is uploaded; your files stay on your device.
JSON FormatterValidate, pretty-print, minify and sort JSONJSON ValidatorCheck JSON syntax and find the exact error lineJSON MinifierCompress JSON by removing all whitespaceBase64 Encode/DecodeText, files and images to and from Base64Base64 EncoderConvert text to Base64, UTF-8 safeBase64 DecoderDecode Base64 to readable textImage to Base64Convert images to Base64 data URIsBase64 to ImageDecode Base64 or a data URI to an image fileURL Encoder & ParserEncode, decode and break down URLs and query stringsURL DecoderDecode %20 and other percent-encoded URLsURL ParserSplit a URL into parts and list its query parametersJWT DecoderDecode JWT header and claims, check expiry, verify signatureJWT GeneratorCreate and sign HS256/384/512 JSON Web TokensUUID & ID GeneratorUUID v4/v7, ULID and Nano ID in bulk, plus inspectorUUID v4 GeneratorRandom version 4 UUIDs, one or thousandsUUID v7 GeneratorTime-ordered UUIDs for database keys (RFC 9562)GUID GeneratorRandom GUIDs for .NET, SQL Server and WindowsULID GeneratorSortable 26-character ULIDs with timestamp decoderNano ID GeneratorShort, URL-safe random IDs of any lengthHash GeneratorMD5, SHA-1, SHA-256, SHA-512 and CRC32 for text and filesMD5 Hash GeneratorMD5 hash of any text or fileSHA-1 Hash GeneratorSHA-1 hash of text or filesSHA-256 Hash GeneratorSHA-256 hash and checksum of text or filesSHA-512 Hash GeneratorSHA-512 and SHA-384 hashes of text or filesHMAC GeneratorHMAC-SHA256, SHA-512, SHA-1 and MD5 with a secret keyFile Checksum CalculatorVerify a download with SHA-256, SHA-1 or MD5CRC32 Checksum CalculatorCRC-32 of text or files (ZIP, PNG, Ethernet)Regex TesterLive match highlighting, capture groups and replaceDiff CheckerCompare two texts line by line and word by wordUnix Timestamp ConverterEpoch time to dates and back, in any time zoneCurrent Unix TimestampThe current epoch time in seconds and milliseconds, liveEpoch to Date ConverterTurn a Unix timestamp into a readable date and timeEpoch Milliseconds ConverterConvert JavaScript millisecond timestamps to datesCron Expression ExplainerExplain cron schedules in plain English and list next runsCrontab GeneratorBuild a cron schedule with menus, no syntax neededChmod CalculatorUnix permissions between octal, rwx and checkboxesJSON ⇄ CSV ConverterConvert between JSON arrays and CSV tablesCSV to JSON ConverterTurn CSV or spreadsheet exports into JSONJSON to CSV ConverterTurn a JSON array into a CSV for Excel or SheetsYAML ⇄ JSON ConverterConvert YAML and JSON both ways with error linesYAML to JSON ConverterConvert YAML config files to JSONJSON to YAML ConverterConvert JSON to clean, readable YAMLJSON to TypesGenerate TypeScript, Go, Python, Rust and C# types from JSONJSON to TypeScriptGenerate TypeScript interfaces from JSONJSON to Go StructGenerate Go structs with json tags from JSONJSON to Python ClassGenerate Python dataclasses or Pydantic models from JSONJSON Schema GeneratorInfer a JSON Schema from a sample documentSubnet CalculatorIPv4 CIDR ranges, masks, host counts and subnettingHTML/CSS/JS PlaygroundLive front-end sandbox with preview and consoleSQL PlaygroundA real SQLite database in your browser; import CSVPython RunnerRun Python 3 in the browser, with NumPy and pandasMarkdown PreviewWrite Markdown with live preview, export HTMLMarkdown to HTML ConverterConvert Markdown to clean, safe HTMLCode MinifierMinify CSS, JavaScript, HTML and JSONCSS MinifierCompress CSS by removing comments and whitespaceJavaScript MinifierMinify and compress JavaScript with TerserHTML MinifierCompress HTML while keeping pre and script blocksHTTP Status CodesSearchable reference of HTTP status codesHTML Entity EncoderEncode and decode HTML entities, with a symbol referenceString Escape & UnescapeEscape strings for JSON, JS, Python, SQL, CSV, regex, shellJSON Escape & UnescapeEscape text as a JSON string, or unescape \n and \"Code BeautifierFormat minified CSS, HTML and JavaScriptCSS FormatterBeautify minified CSS into readable rulesHTML FormatterIndent and beautify HTML markupJavaScript FormatterBeautify minified JavaScript codeXML FormatterValidate, pretty-print and minify XML, with XPathSQL FormatterBeautify SQL queries with clause-per-line layout.gitignore GeneratorBuild a .gitignore for your languages, OS and editorcurl to Code ConverterConvert curl commands to fetch, axios, Python, Go, PHPJSONPath TesterQuery JSON with JSONPath expressions, liveUser Agent ParserIdentify browser, OS, device and bots from a User-AgentMIME Type LookupFind the MIME type for any file extension, or detect a fileJavaScript Key Code FinderPress a key to see event.key, code and keyCodeNumber FormatterFormat numbers and currencies for any locale with IntlText to Binary ConverterText to binary, hex, octal and decimal bytes and backBinary to Text ConverterDecode binary 0s and 1s into readable textText to Hex ConverterConvert text to hexadecimal bytes and backHTML to Markdown ConverterConvert HTML or copied web content into MarkdownXML ⇄ JSON ConverterConvert XML to JSON and JSON to XMLXML to JSON ConverterTurn XML documents into JSONJSON to XML ConverterTurn JSON into well-formed XMLJSON DiffCompare two JSON documents by structure, not textMermaid Diagram EditorFlowcharts, sequence, Gantt and ER diagrams from textFlowchart MakerMake flowcharts from simple text and export PNG or SVGCode to ImageTurn code into a beautiful, shareable PNGBarcode GeneratorCode 128, EAN-13, UPC-A and EAN-8 barcodes as PNG or SVGEAN-13 Barcode GeneratorCreate EAN-13 product barcodes with check digitDiscord Timestamp GeneratorMake <t:…> timestamps that show in everyone’s time zoneMarkdown Table GeneratorBuild Markdown tables visually or from CSVDummy File GeneratorCreate test files of an exact size: 1 MB, 10 MB, 1 GB…Fake Data GeneratorMock test data as JSON, CSV or SQL: names, emails, orders…
Merge PDFCombine several PDFs into one, in any orderSplit PDFSplit a PDF by ranges, every page or every N pagesCompress PDFShrink PDF file size, with before and after sizesGrayscale PDFConvert a colour PDF to black and whiteOrganize PDF PagesReorder, rotate, delete and extract pages visuallyRotate PDFRotate all or individual PDF pages and saveDelete PDF PagesRemove unwanted pages from a PDFExtract PDF PagesSave selected pages as a new PDFPDF to ImageConvert PDF pages to JPG, PNG or WebPPDF to JPGTurn PDF pages into JPG imagesPDF to PNGTurn PDF pages into crisp PNG imagesImages to PDFTurn photos and images into a single PDFJPG to PDFConvert JPG photos into a PDFPNG to PDFConvert PNG images and screenshots to PDFSign PDFDraw, type or upload a signature and place it on a PDFAdd Text to PDFType on any PDF: fill in forms, add notes and ticksAdd Page Numbers to PDFNumber PDF pages in any position and formatWatermark PDFStamp text or a logo on every PDF pageCrop PDFTrim PDF margins with a live previewPDF to TextExtract all the text from a PDFImage to Text (OCR)Extract text from photos, screenshots and scansOCR PDFMake scanned PDFs searchable and extract their textPDF Metadata EditorView and edit PDF title, author and propertiesPDF Page CounterCount pages in one or many PDFs at onceFill PDF FormFill in fillable PDF forms on any deviceFlatten PDFMake PDF form answers permanent and uneditableN-up PDF (Pages per Sheet)Put 2, 4, 6 or 9 pages on each sheetPDF Booklet MakerRearrange a PDF to print and fold as a bookletHTML to PDFTurn HTML or Markdown into a clean PDFCompare PDFSee text added and removed between two PDFsMarkdown to PDFConvert Markdown notes and README files to a clean PDFWord to PDF ConverterConvert a .docx Word document to PDF without uploading itProtect PDF with PasswordAdd a password to a PDF with AES-256 encryption, privatelyUnlock PDFRemove a known password or restrictions from a PDFRedact PDFBlack out text in a PDF so it is truly removedScan to PDFTurn phone photos of documents into a clean, straight PDFPDF to Word ConverterConvert a PDF into an editable Word document (.docx)
Unzip Files OnlineOpen ZIP archives, preview files and extract themCreate ZIP FileCompress files and folders into a ZIP archiveExcel & CSV ViewerOpen XLSX, XLS, ODS, CSV and JSON and convert between themAudio CutterTrim MP3 and other audio with a waveform, fades and exportVideo to GIF ConverterTurn a video clip into an animated GIFHEIC to JPG ConverterConvert iPhone HEIC photos to JPG in your browserVideo ConverterConvert, resize and re-encode videos to MP4 or WebMGIF Frame ExtractorSplit an animated GIF into PNG frames or a sprite sheetSRT to VTT ConverterConvert SRT and WebVTT subtitles and fix their timingFile Type CheckerIdentify any file by its magic bytesCSV Splitter & MergerSplit big CSVs into parts or merge several into oneVTT to SRT ConverterConvert WebVTT subtitles to SubRip SRTHEIC to PNG ConverterConvert HEIC photos to lossless PNG filesExcel to CSV ConverterConvert XLSX or XLS sheets to CSV filesCSV to Excel ConverterTurn CSV files into proper XLSX spreadsheetsJSON to Excel ConverterConvert a JSON array of objects into an XLSX sheetExcel to JSON ConverterTurn spreadsheet rows into a JSON array of objectsMP3 to WAV ConverterConvert MP3 audio to uncompressed WAVWAV to MP3 ConverterCompress WAV audio to MP3 at your chosen bitrateM4A to MP3 ConverterConvert M4A/AAC audio (voice memos, iTunes) to MP3Video to MP3 (Extract Audio)Extract the soundtrack from a video as MP3 or WAVImages to GIF MakerCombine photos or frames into an animated GIFMP4 to GIF ConverterConvert MP4 clips to animated GIFsVideo CompressorMake video files smaller by lowering resolution and bitrateVideo TrimmerCut the start and end off a video clipMute VideoRemove the sound from a videoWebM to MP4 ConverterConvert WebM videos to MP4 where your browser supports itMP4 to WebM ConverterConvert MP4 videos to WebM (VP9) for the webVideo Speed ChangerSpeed up or slow down a video and save it, in your browserHorizontal to Vertical VideoTurn 16:9 video into 9:16 for TikTok, Reels and ShortsMerge VideosJoin several video clips into one, in your browserBurn Subtitles into VideoAdd SRT or VTT captions permanently onto a video
Meta Tag GeneratorTitle, description, canonical and social tags with live previewsSERP Preview ToolSee your page in Google results on desktop and mobileOpen Graph PreviewPreview link cards for Facebook, LinkedIn, X, Slack and moreRobots.txt GeneratorCreate robots.txt with AI-bot blocking, and test URLsRobots.txt TesterCheck if a URL is blocked by robots.txt for any botXML Sitemap GeneratorTurn a list of URLs into sitemap.xml, or extract URLsSchema Markup GeneratorJSON-LD for FAQ, Product, Article, LocalBusiness and moreFAQ Schema GeneratorCreate FAQPage JSON-LD from your questions and answersHowTo Schema GeneratorCreate HowTo JSON-LD with steps, tools and suppliesProduct Schema GeneratorProduct JSON-LD with price, availability and ratingsArticle Schema GeneratorArticle, BlogPosting and NewsArticle JSON-LDLocal Business Schema GeneratorLocalBusiness JSON-LD with address, hours and geoBreadcrumb Schema GeneratorBreadcrumbList JSON-LD for your navigation trailOrganization Schema GeneratorOrganization JSON-LD with logo, contact and social profilesEvent Schema GeneratorEvent JSON-LD for in-person and online eventsKeyword Density CheckerKeyword density plus top words and phrases in your copyKeyword ExtractorFind the main keywords and phrases in any textReadability CheckerFlesch, Flesch–Kincaid, Fog, SMOG and hard-sentence highlightsHeadline AnalyzerScore blog titles and headlines for length, power words and clarityEmail Subject Line TesterCheck subject length, spam words and inbox previewUTM Link BuilderBuild tagged campaign URLs, one or many at onceRedirect Generator301 redirects for Apache, Nginx, Netlify, Vercel and IIS.htaccess Redirect GeneratorApache 301 redirects and HTTPS/www rules for .htaccessNginx Redirect GeneratorNginx return 301 and rewrite rules from a URL listHreflang Tag Generatorhreflang link tags, sitemap entries and headers, validatedTitle & Description Length CheckerBulk-check titles, meta descriptions and URL slugsOn-Page SEO CheckerAudit pasted HTML: title, meta, canonical, headings, alt textHeading Structure CheckerOutline H1–H6 and find skipped or missing headingsLink ExtractorPull every link from HTML or text, with anchors and relGoogle Ads Character CounterWrite responsive search ads within headline and description limitsSocial Media Character CounterCount characters for X, Instagram, LinkedIn, TikTok and moreX / Twitter Character CounterCount tweet characters the way X doesInstagram Caption CounterCaption length, hashtag count and the 125-character foldKeyword MixerCombine keyword lists into every PPC permutationWhatsApp Link GeneratorCreate wa.me click-to-chat links and buttonsSocial Media Image SizesCurrent image sizes for every platform, searchableEngagement Rate CalculatorEngagement rate by followers, reach or viewsPrivacy Policy GeneratorCreate a free privacy policy for your website, app or shopYouTube Thumbnail PreviewSee your thumbnail and title in a mock feed before you publishSocial Media Post PreviewSee your post on X, LinkedIn, Instagram, Facebook and ThreadsLink in Bio Page GeneratorMake a free link-in-bio page you own and host anywhere
Token CounterExact GPT token counts, plus Claude and Gemini estimatesLLM Cost CalculatorCompare API costs across GPT, Claude, Gemini and moreContext Window PlannerBudget system prompt, docs, history and replyRAG Text ChunkerSplit documents into chunks for embeddingsPrompt Template BuilderReusable prompts with {{variables}} and CSV batchesPrompt LibraryCopy-ready prompts for writing, code and studyJSONL ValidatorCheck fine-tuning and batch JSONL files line by lineFunction Calling Schema BuilderBuild tool definitions for OpenAI, Claude and GeminiPII RedactorRemove personal data before pasting into AIText Similarity CheckerCompare two texts: cosine, Jaccard and edit similarityChat to MarkdownSave ChatGPT and Claude conversations as MarkdownAI Image Size GuideBest sizes for DALL·E, Midjourney, SDXL and FluxTemperature & Top-p VisualiserSee how temperature, top-k and top-p change outputsMarkov Chain Text GeneratorGenerate text from your own sample, word or letter levelNeural Network PlaygroundTrain a small neural network in your browserK-Means Clustering VisualiserWatch k-means cluster points step by stepEmbedding VisualiserPlot embeddings in 2D with PCA and find neighboursPrompt CompressorShorten prompts and save tokensAI Text CleanerRemove Markdown, em dashes and chatbot filler
Word CounterWords, characters, sentences and reading timeCharacter CounterCount characters with and without spacesCase ConverterUPPER, lower, Title, camelCase, snake_case and moreUppercase ConverterTurn any text into CAPITAL LETTERSLowercase ConverterTurn CAPS LOCK text back into lowercaseTitle Case ConverterCapitalise headlines and titles correctlySentence Case ConverterCapitalise the first letter of each sentencecamelCase ConverterTurn phrases into camelCase and PascalCase namessnake_case ConverterTurn phrases or camelCase into snake_casekebab-case ConverterTurn text into kebab-case for URLs and CSSLorem Ipsum GeneratorPlaceholder paragraphs, sentences, words and listsSlug GeneratorTurn titles into clean URL slugsLine ToolsSort, dedupe, shuffle, number and trim linesRemove Duplicate LinesDelete repeated lines from a listSort Lines AlphabeticallySort a list A–Z, Z–A or naturallyRemove Empty LinesDelete blank lines from textAdd Line NumbersNumber every line of text or codeFind and ReplaceFind and replace text, with regex supportText to SpeechRead text aloud with your device voicesSpeech to TextDictate text with your voice, in many languagesMorse Code TranslatorText to Morse and back, with sound and lightTeleprompterFree online teleprompter with mirror modeUnicode InspectorSee every character, code point and hidden symbolFancy Text GeneratorBold, italic, cursive and other copy-paste fontsBold Text GeneratorBold text you can paste into posts and biosItalic Text GeneratorItalic text for posts, bios and commentsCursive Text GeneratorElegant script letters to copy and pasteStrikethrough Text GeneratorCross out text with a line through itBubble Text GeneratorLetters in circles and bubbles to copySmall Caps Generatorsᴍᴀʟʟ ᴄᴀᴘɪᴛᴀʟ letters to copy and pasteZalgo Text GeneratorGlitchy, creepy cursed text to copyInstagram FontsFonts for your Instagram bio, name and captionsASCII Art Text BannerBig ASCII art letters for READMEs and terminalsText CleanerFix spacing, quotes, line breaks and hidden charactersRemove Line BreaksJoin broken lines into flowing paragraphsRemove AccentsStrip diacritics: é becomes e, ñ becomes nRemove EmojisStrip all emoji from textStrip HTML TagsRemove HTML tags and keep the plain textText RepeaterRepeat text or emoji many timesReverse Text GeneratorBackwards, upside down and mirror textUpside Down TextFlip text upside down to copy and pasteNATO Phonetic AlphabetSpell names and codes Alfa, Bravo, CharlieBraille TranslatorText to Unicode braille and backBionic Reading ConverterBold the start of each word to read fasterEmoji PickerSearch, browse and copy any emojiEmail ExtractorPull email addresses out of any textURL ExtractorPull every link out of text or HTMLInstagram Line Break GeneratorKeep spacing and blank lines in captions and biosCrossword SolverFind words from a pattern of known lettersRandom Word GeneratorRandom English words by length and lettersText to HandwritingTurn typed text into a handwritten page imageInvisible CharacterCopy blank characters and detect hidden onesWord UnscramblerUnscramble letters into words for word gamesAnagram SolverFind exact anagrams that use every letterWord Frequency CounterCount how often each word appearsGrammar CheckerFree, private grammar and spelling checker that runs on your device
Color Palette GeneratorGenerate harmonious 5-color palettes, lock favourites, exportColor Contrast CheckerWCAG AA/AAA contrast ratio with live preview and fixesColor ConverterConvert HEX, RGB, HSL, HSV, CMYK and OKLCH, with shadesCSS Gradient GeneratorLinear, radial and conic gradients with copyable CSSCSS Box Shadow GeneratorLayered, soft and neumorphic box-shadow builderCSS Grid GeneratorDrag to place items and copy grid CSS and HTMLPixel Art MakerDraw sprites with mirror, fill and palette, export crisp PNGOnline Sketch PadPressure-sensitive drawing canvas with undo and PNG exportSVG Viewer & OptimizerPreview, clean up and minify SVG, convert to PNGFavicon GeneratorMake favicon.ico and app icons from text, emoji or an imagePlaceholder Image GeneratorCustom size placeholder images in PNG, JPG, WebP or SVGPattern & Noise GeneratorSeamless patterns and film-grain noise texturesFont PreviewCompare installed and local font files with your own textColor Blindness SimulatorSee images as people with color vision deficiency doTailwind Color Shades GeneratorTurn one color into a 50–950 Tailwind scaleBorder Radius GeneratorRounded corners and organic blob shapes in CSSCSS Clip-Path MakerDraw polygon, circle and custom clip-path shapesGlassmorphism GeneratorFrosted glass CSS with backdrop blurCSS Easing EditorDesign cubic-bezier timing curves with live previewImage Color Palette ExtractorGet the dominant colors from any photo or artworkFlexbox PlaygroundTry every flex container property and copy the CSSMesh Gradient GeneratorSoft aura and mesh gradient wallpapers and backgroundsOnline WhiteboardInfinite canvas with pens, shapes, arrows and textHEX to RGB ConverterConvert hex color codes to RGB and RGBA valuesRGB to HEX ConverterConvert rgb() values to hex color codesHEX to HSL ConverterConvert hex colors to hue, saturation and lightnessOnline Color PickerPick any color and get its HEX, RGB and HSL codesSVG to PNG ConverterConvert SVG to PNG at any size, with transparencyCSS Text Shadow GeneratorGlow, outline, retro and long shadows for textRadial Gradient GeneratorCircle and ellipse CSS gradients from any center pointPNG to ICO ConverterConvert PNG, JPG or SVG to a multi-size .ico fileRandom Color GeneratorRandom colours by style and hue, with HEX, RGB and HSLSVG Blob & Wave GeneratorOrganic blob shapes and layered waves as SVGColor Name FinderWhat is this colour called? Nearest named coloursSVG Pattern GeneratorSeamless dots, stripes, grids and more as CSS or SVGPhone Wallpaper MakerGradient wallpapers sized for your phone, tablet or desktopImage to SVG ConverterVectorise a PNG or JPG logo into a scalable SVG
Image CompressorCompress JPEG, PNG and WebP images in bulk, or to a target sizeImage ResizerResize photos by pixels or percent, one or many at onceImage CropperCrop to any ratio or a circle, rotate, flip and straightenEXIF ViewerSee camera, lens, exposure, date and GPS location in a photoEXIF & Metadata RemoverRemove GPS location and camera data from photos losslesslyPhoto Editor & FiltersBrightness, contrast, saturation, warmth, vignette and presetsImage HistogramRGB and luminance histogram with clipping stats and color pickerBackground Remover (Chroma Key)Remove green-screen, blue or solid-color backgrounds to PNGImage to ASCII ArtTurn photos into ASCII art text or a PNG, in mono or colorMeme MakerAdd classic top and bottom text or a caption bar to any picturePhoto Collage MakerGrid collages from 2–9 photos with spacing and rounded cornersWatermark PhotosAdd text or logo watermarks to many photos at onceDepth of Field CalculatorNear and far focus limits and hyperfocal distance for any lensExposure CalculatorEquivalent exposures, EV and ND filter long-exposure timesGolden Hour CalculatorSunrise, sunset, golden hour and blue hour for any placeBlur or Pixelate Part of an ImageHide faces, plates and text with blur, pixelation or black barsImage SplitterSplit an image into a grid of equal tiles and download a ZIPOnline Photo BoothTake 4-photo booth strips with your webcam, with filtersPolaroid Frame MakerInstant-film frames with handwritten captionsY2K Digicam FilterRetro digital camera look with flash and date stampPhoto to Pencil SketchTurn photos into pencil, charcoal, ink or colored sketchesAdd Text to PhotoPlace styled text on pictures with drag, outline and shadowNo Crop for InstagramFit whole photos into 4:5, square or story framesInstagram Carousel SplitterSplit a panorama into seamless 4:5 carousel slidesPNG to JPG ConverterConvert PNG images to JPG in bulk, with a background for transparencyJPG to PNG ConverterConvert JPG or JPEG photos to lossless PNG files in bulkPNG to WebP ConverterConvert PNG to WebP, keeping transparency at a fraction of the sizeWebP to PNG ConverterConvert WebP images to PNG files that open everywhereWebP to JPG ConverterConvert WebP images to JPG for apps and sites that need JPEGJPG to WebP ConverterConvert JPG photos to smaller WebP files for faster websitesCompress JPEGReduce JPEG file size with a quality slider, in bulkCompress PNGShrink PNG files by reducing them to 256 colors or fewerCompress Image to 100 KBReduce a photo to under 100 KB automatically, for forms and uploadsCompress Image to 50 KBReduce a photo to under 50 KB automatically, for forms and uploadsCompress Image to 20 KBReduce a photo to under 20 KB automatically, for forms and uploadsCompress Image to 10 KBReduce a photo to under 10 KB automatically, for forms and uploadsCompress Image to 30 KBReduce a photo to under 30 KB automatically, for forms and uploadsCompress Image to 200 KBReduce a photo to under 200 KB automatically, for forms and uploadsCompress Image to 500 KBReduce a photo to under 500 KB automatically, for forms and uploadsInstagram Image ResizerResize photos to Instagram post, portrait and story sizesYouTube Thumbnail ResizerResize images to the 1280×720 YouTube thumbnail sizeFacebook Cover Photo ResizerResize images to Facebook cover, profile and post sizesX (Twitter) Header ResizerResize images to the 1500×500 X header and profile sizesPinterest Pin ResizerResize images to the 1000×1500 Pinterest pin sizeTikTok Image ResizerResize images to 1080×1920 for TikTok photos and coversDiscord Image ResizerResize images for Discord avatars, banners and server iconsEtsy Listing Photo ResizerResize product photos to Etsy listing and banner sizesLinkedIn Banner ResizerResize images to LinkedIn banner, company cover and post sizesCrop Image to SquareCrop any photo to a perfect 1:1 square for profiles and postsCircle Crop ImageCrop a photo into a circle with a transparent backgroundRotate ImageRotate photos 90°, 180° or any angle, and straighten horizonsFlip ImageMirror a photo horizontally or flip it verticallyBlack and White Photo ConverterTurn color photos into black and white (grayscale) onlineInvert Image ColorsMake a negative of any picture by inverting its colorsBlur ImageBlur a whole photo or selected areas, with adjustable strengthPixelate ImagePixelate a whole picture or hide faces with a mosaic effectColor Picker From ImagePick exact colors from any photo or screenshot as HEX or RGBRemove White BackgroundMake the white background of an image transparentCombine ImagesJoin two or more images side by side or stacked into oneInstagram Grid MakerSplit one photo into a 3-column grid for your Instagram profileND Filter CalculatorLong exposure shutter times for ND2 to ND1000 and stacked filtersHyperfocal Distance CalculatorFind the focus distance that keeps everything sharp to infinitySunrise and Sunset TimesSunrise, sunset, solar noon and day length for any place and datePassport Photo MakerCrop passport and visa photos to official sizes and print sheetsScreenshot BeautifierGradient backgrounds, window frames and shadows for screenshotsUS Passport Photo (2×2)2 × 2 inch US passport and visa photos with guidesUK Passport Photo (35×45 mm)35 × 45 mm UK passport photos with HMPO head-size guidesCanada Passport Photo (50×70 mm)50 × 70 mm Canadian passport photos with head guidesIndia Passport PhotoIndia passport (35×45 mm) and visa (2×2 in) photosSchengen Visa Photo (35×45 mm)Biometric 35 × 45 mm photos for Schengen visas and EU passportsPhoto EffectsGlitch, halftone, dither, duotone and pixel-art effectsAdd Border to ImageWhite or coloured frames, rounded corners and canvas sizesChange Image DPISet 300 DPI (or any value) without changing pixelsProfile Picture MakerRound profile photos with rings and backgroundsGlitch Photo EffectRGB split, slice shifts, scanlines and noiseHalftone EffectNewspaper and comic-style dots, mono or CMYKImage Dithering Tool1-bit, Game Boy and PICO-8 dithering with 4 algorithmsDuotone Photo EffectTwo-colour gradient-map photos with presetsPhoto to Pixel ArtTurn photos into pixel art with retro palettesBackground RemoverRemove the background from any photo with AI, on your deviceImage UpscalerEnlarge images 2× or 4× with sharp resizing or AI enhancement
Online PianoPlay piano with your keyboard or touch screenVocal Range TestFind your lowest and highest notes and your voice typeTap BPM CounterTap along to any song to find its tempoSlowed + Reverb MakerMake slowed, reverb, nightcore and sped-up versions of songsScreen RecorderRecord your screen, a window or a tab with audio, no installWebcam RecorderRecord video and take photos with your webcamVoice RecorderRecord audio from your microphone and download itTone GeneratorPlay any frequency or sweep, and download WAV test tonesNoise GeneratorWhite, pink, brown and green noise with sleep timerOnline MetronomeAccurate metronome with time signatures and tap tempoChromatic TunerTune any instrument with your microphoneSpectrum AnalyzerLive audio spectrum and spectrogram from mic or fileDecibel MeterMeasure noise levels in dB with your microphoneVoice ChangerChipmunk, deep, robot, monster and echo voice effectsVideo Frame ExtractorSave stills from a video, one or hundredsSpeaker TestLeft/right, frequency sweep, bass and phase testsRefresh Rate TestCheck your monitor's Hz: 60, 120, 144, 240…What Is My Screen ResolutionScreen resolution, viewport, pixel ratio and display detailsWebcam TestCheck that your camera works, with resolution and fpsMic TestCheck your microphone with a live level meter and playback440 Hz ToneA4 concert pitch reference tone for tuningFrequency Sweep Generator20 Hz to 20 kHz sine sweep to test speakers and hearingWhite NoiseFree white noise for sleep, focus and maskingPink NoiseBalanced pink noise like steady rainBrown NoiseDeep brown noise for focus, ADHD routines and sleepGuitar TunerTune your guitar with the microphone: EADGBEUkulele TunerTune a ukulele to GCEA with your microphoneBass TunerTune a 4-string bass guitar (EADG) onlineViolin TunerTune violin strings G D A E with the microphoneAudio EffectsVolume boost, bass boost, 8D audio and vocal removerDrum Machine16-step beat maker with 8 drum sounds and shareable linksPerfect Pitch TestCan you name notes without a reference? 10-note testBinaural Beats GeneratorDelta, theta, alpha, beta and gamma beats for headphonesAudio Volume BoosterMake quiet MP3s and recordings louder without clippingBass BoosterBoost the bass of any song and download it8D Audio ConverterMake any song circle around your headVocal Remover (Karaoke)Remove vocals from songs to make karaoke tracksSubtitle EditorEdit, fix and sync SRT and VTT subtitles against your videoBPM DetectorFind the tempo (BPM) of any song from an audio fileAudiogram MakerTurn podcast or music audio into a video with an animated waveformTranscribe Audio to TextPrivate speech-to-text with Whisper, right in your browserAuto Subtitle GeneratorGenerate SRT subtitles from any video automatically, privately
Scientific CalculatorType or tap expressions with trig, logs, powers and historyUnit ConverterLength, weight, temperature, volume, data, speed and morePercentage CalculatorPercent of, percent change, increase, discount and reverseFunction GrapherPlot up to five functions of x, pan and pinch to zoomMatrix CalculatorDeterminant, inverse, transpose, rank, RREF and productsNumber Base ConverterBinary, octal, decimal, hex and any base from 2 to 36Statistics CalculatorMean, median, mode, standard deviation, quartiles, histogramPrime Factorization & GCF/LCMPrime check, factorization, divisors, GCF, LCM and prime listsFraction CalculatorAdd, subtract, multiply and divide fractions and mixed numbersEquation SolverLinear, quadratic, cubic and systems of equations with stepsLoan CalculatorMonthly payment, total interest and amortization scheduleCompound Interest CalculatorGrowth with regular contributions, any compounding frequencyTip Calculator & Bill SplitterWork out the tip and split the bill between friendsDate CalculatorDays between dates, add or subtract days, age and countdownsTime Zone ConverterConvert a time across cities with daylight saving handledSavings Goal CalculatorHow much to save each month, or how long a goal will takeInflation CalculatorFuture cost, purchasing power and average inflation rateSalary to Hourly CalculatorConvert pay between hourly, weekly, monthly and yearlyGPA CalculatorTerm and cumulative GPA, weighted or unweightedGrade CalculatorWeighted course grade and the score you need on the finalRoman Numeral ConverterConvert numbers to Roman numerals and back, with checksRandom Number GeneratorFair random numbers in any range, with or without repeatsAspect Ratio CalculatorFind a ratio from pixels, or resize while keeping itScientific Notation ConverterConvert to and from scientific, E and engineering notationSignificant Figures CalculatorCount sig figs with the rules shown, and round to any numberHours CalculatorHours between two times with breaks, and add up durationsNumber to Words ConverterWrite any number in words: US, UK, checks, currency, ordinalDebt Payoff CalculatorSnowball vs avalanche: debt-free date and interest savedCheck Writing Amount in WordsWrite a dollar amount in words for a checkNumber to Words (Indian System)Rupees and numbers in words with lakh and croreMortgage CalculatorMonthly mortgage payment with taxes, insurance and PMIEMI CalculatorMonthly EMI for home, car and personal loans with scheduleCar Loan CalculatorMonthly car payment from price, down payment and rateStandard Deviation CalculatorSample and population standard deviation with stepsAverage CalculatorMean, median and mode of a list of numbersPercentage Change CalculatorPercent increase or decrease from an old value to a new onePercentage Increase CalculatorPercent increase between two numbers, or add a percentDiscount CalculatorSale price and savings for any percent offPercentage Difference CalculatorPercent difference between two values, compared to their averageAge CalculatorExact age in years, months and days, and days to next birthdayDays Until CalculatorCount the days until any date, holiday or eventDays From Today CalculatorWhat date is 30, 60 or 90 days from today (or before)?Binary to Decimal ConverterConvert binary numbers to decimal, with hex and octal tooDecimal to Binary ConverterConvert decimal numbers to binary, grouped in 4-bit nibblesDecimal to Hex ConverterConvert decimal numbers to hexadecimal, for colors and codeHex to Decimal ConverterConvert hexadecimal numbers to decimal, any lengthQuadratic Equation SolverSolve ax² + bx + c = 0 with real or complex roots and stepsGCF CalculatorGreatest common factor of two or more numbers, with factorsLCM CalculatorLeast common multiple of two or more numbersPrime Factorization CalculatorBreak any number into prime factors with exponentsDecimal to Fraction ConverterTurn decimals, including repeating ones, into fractionsFinal Grade CalculatorWhat you need on the final exam to get the grade you wantHourly to Salary CalculatorTurn an hourly wage into yearly, monthly and weekly payCentimeters to Inches ConverterConvert centimeters to inches with formula and chartInches to Centimeters ConverterConvert inches to centimeters with formula and chartMillimeters to Inches ConverterConvert millimeters to inches with formula and chartInches to Millimeters ConverterConvert inches to millimeters with formula and chartFeet to Meters ConverterConvert feet to meters with formula and chartMeters to Feet ConverterConvert meters to feet with formula and chartCentimeters to Feet And Inches ConverterConvert centimeters to feet and inches with formula and chartKilometers to Miles ConverterConvert kilometers to miles with formula and chartMiles to Kilometers ConverterConvert miles to kilometers with formula and chartKilograms to Pounds ConverterConvert kilograms to pounds with formula and chartPounds to Kilograms ConverterConvert pounds to kilograms with formula and chartGrams to Ounces ConverterConvert grams to ounces with formula and chartOunces to Grams ConverterConvert ounces to grams with formula and chartCelsius to Fahrenheit ConverterConvert celsius to fahrenheit with formula and chartFahrenheit to Celsius ConverterConvert fahrenheit to celsius with formula and chartMilliliters to US Fluid Ounces ConverterConvert milliliters to us fluid ounces with formula and chartUS Fluid Ounces to Milliliters ConverterConvert us fluid ounces to milliliters with formula and chartLiters to US Gallons ConverterConvert liters to us gallons with formula and chartUS Gallons to Liters ConverterConvert us gallons to liters with formula and chartUS Cups to Milliliters ConverterConvert us cups to milliliters with formula and chartMiles Per Hour to Kilometers Per Hour ConverterConvert miles per hour to kilometers per hour with formula and chartKilometers Per Hour to Miles Per Hour ConverterConvert kilometers per hour to miles per hour with formula and chartMegabytes to Gigabytes ConverterConvert megabytes to gigabytes with formula and chartGigabytes to Megabytes ConverterConvert gigabytes to megabytes with formula and chartKilobytes to Megabytes ConverterConvert kilobytes to megabytes with formula and chartSquare Feet to Square Meters ConverterConvert square feet to square meters with formula and chartAcres to Hectares ConverterConvert acres to hectares with formula and chartPSI to Bar ConverterConvert psi to bar with formula and chartBar to PSI ConverterConvert bar to psi with formula and chartKilojoules to Kilocalories ConverterConvert kilojoules to kilocalories with formula and chartKilowatts to Horsepower ConverterConvert kilowatts to horsepower with formula and chartNewton Meters to Foot-Pounds ConverterConvert newton meters to foot-pounds with formula and chartMiles Per Gallon (US) to Liters Per 100 Km ConverterConvert mpg to L/100 km with formula and chartLiters Per 100 Km to Miles Per Gallon (US) ConverterConvert L/100 km to mpg with formula and chartYards to Meters ConverterConvert yards to meters with formula and chartMeters to Yards ConverterConvert meters to yards with formula and chartStone to Kilograms ConverterConvert stone to kilograms with formula and chartKilograms to Stone ConverterConvert kilograms to stone with formula and chartTablespoons (US) to Milliliters ConverterConvert tablespoons (us) to milliliters with formula and chartTeaspoons (US) to Milliliters ConverterConvert teaspoons (us) to milliliters with formula and chartMilliliters to Cups (US) ConverterConvert milliliters to cups (us) with formula and chartKnots to Miles Per Hour ConverterConvert knots to miles per hour with formula and chartKnots to Kilometers Per Hour ConverterConvert knots to kilometers per hour with formula and chartHectares to Acres ConverterConvert hectares to acres with formula and chartSquare Meters to Square Feet ConverterConvert square meters to square feet with formula and chartCelsius to Kelvin ConverterConvert celsius to kelvin with formula and chartGigabytes to Terabytes ConverterConvert gigabytes to terabytes with formula and chartHorsepower to Kilowatts ConverterConvert horsepower to kilowatts with formula and chartKilocalories to Kilojoules ConverterConvert kilocalories to kilojoules with formula and chartFoot-Pounds to Newton Meters ConverterConvert foot-pounds to newton meters with formula and chartImperial Gallons (UK) to Liters ConverterConvert imperial gallons (uk) to liters with formula and chartZ-Score Calculatorz-scores, p-values, percentiles and critical valuesConfidence Interval CalculatorConfidence intervals for a mean or proportion, with full workingProbability CalculatorCombinations, two events, binomial and at-least-once oddsTriangle CalculatorSolve any triangle from three values, with a diagramArea CalculatorArea of rectangles, circles, triangles and 8 more shapesRatio CalculatorSolve A:B = C:?, simplify ratios, divide amountsSlope CalculatorSlope, line equation and more from two pointsLogarithm Calculatorlog, ln and log₂ in any base, with checkCredit Card Payoff CalculatorWhen you'll be debt-free and the interest you'll payFIRE CalculatorYour FIRE number and years to financial independenceRent vs Buy CalculatorCompare net worth from renting versus buying a homeLong Division CalculatorLong division with remainders and worked stepsGPS Coordinate ConverterDecimal degrees ↔ DMS ↔ degrees decimal minutesVolume CalculatorVolume of boxes, cylinders, spheres, cones and moreCombination Calculator (nCr)nCr and nPr with exact big numbers and lottery oddsBinomial Probability CalculatorP(X = k), P(X ≤ k) and P(X ≥ k) for n trialsNatural Log (ln) Calculatorln(x) with base e, plus log₁₀ and log₂
Online Gradebook for TeachersFree teacher gradebook: weighted categories, letter grades, CSVTest Grade CalculatorScore and letter grade from questions and number wrong, plus a chartUCAS Personal Statement CheckerCharacter counter and checks for the new three-question UCAS statementCitation GeneratorAPA, MLA, Chicago and Harvard referencesAPA Citation GeneratorAPA 7th edition references and in-text citationsMLA Citation GeneratorMLA 9th edition works cited entriesChicago Citation GeneratorChicago 17th bibliography entriesHarvard Referencing GeneratorHarvard author–date referencesInteractive Periodic TableAll 118 elements with masses and categoriesMolar Mass CalculatorMolar mass and composition from a formulaQuiz MakerMake a multiple-choice quiz and share a linkTimes Tables PracticeMultiplication practice game with a timerMaths Worksheet GeneratorPrintable arithmetic worksheets with answersEssay Outline BuilderStructure an essay with word budgetsEssay Word Count PlannerDaily word targets to finish before the deadlineRevision Timetable MakerA study plan up to every examWord Scramble GameUnscramble words, or practise a spelling listPhysics Formula SolverSolve speed, force, energy and circuit equationsFlags QuizGuess the country from its flagCapitals QuizName the capital city of every countryWord Search GeneratorPrintable word searches with an answer keyCrossword MakerTurn words and clues into a printable crosswordBingo Card GeneratorPrintable 75-ball, 90-ball and word bingo cardsSchulte TableFocus and peripheral vision training gameSpeed Reading TrainerRead faster, one word at a timeMaze GeneratorPrintable mazes from easy to expertWeight on Other PlanetsWhat you would weigh on the Moon, Mars and beyondTimeline MakerTurn dates and events into a timeline imageVenn Diagram MakerTwo- and three-circle Venn diagramsClassroom Noise MeterA visual volume meter for the classroomPrintable Graph PaperGrid, dot, lined, isometric and moreA4 Graph PaperPrintable A4 squared paperLetter Graph PaperPrintable US Letter graph paperDot Grid PaperPrintable dotted paper for bullet journalsIsometric PaperPrintable isometric dot and grid paperLined PaperPrintable ruled paper, narrow or wideMusic Staff PaperPrintable blank sheet musicHexagon Graph PaperPrintable hex grid paperPolar Graph PaperPrintable polar coordinate gridCalligraphy Practice SheetsPrintable guideline sheets for letteringWords to Pages ConverterHow many pages is your word count?Certificate MakerPrintable certificates for awards and courses
Profit Margin CalculatorGross margin, markup and profit from cost and priceMarkup CalculatorSelling price, markup % and margin from any two valuesVAT CalculatorAdd or remove VAT at any rate, in bulkGST CalculatorAdd or remove GST for Australia, NZ, Canada, IndiaSales Tax CalculatorAdd US sales tax or work back to the pre-tax priceIndia GST CalculatorAdd or remove 18% India GST with net and gross amountsIncome Tax Calculator India (New vs Old Regime)Compare tax under the new and old regimes for FY 2026-27New Zealand GST CalculatorAdd or remove 15% New Zealand GST with net and gross amountsSaudi Arabia VAT CalculatorAdd or remove 15% Saudi Arabia VAT with net and gross amountsUAE VAT CalculatorAdd or remove 5% United Arab Emirates VAT with net and gross amountsSouth Africa VAT CalculatorAdd or remove 15% South Africa VAT with net and gross amountsSweden VAT CalculatorAdd or remove 25% Sweden VAT with net and gross amountsPoland VAT CalculatorAdd or remove 23% Poland VAT with net and gross amountsBelgium VAT CalculatorAdd or remove 21% Belgium VAT with net and gross amountsNetherlands VAT CalculatorAdd or remove 21% Netherlands VAT with net and gross amountsItaly VAT CalculatorAdd or remove 22% Italy VAT with net and gross amountsSpain VAT CalculatorAdd or remove 21% Spain VAT with net and gross amountsFrance VAT CalculatorAdd or remove 20% France VAT with net and gross amountsGermany VAT CalculatorAdd or remove 19% Germany VAT with net and gross amountsIreland VAT CalculatorAdd or remove 23% Ireland VAT with net and gross amountsDiscount & Margin CalculatorStacked discounts, totals and the hit to your marginBreak-Even CalculatorUnits and revenue needed to cover your costsROI CalculatorReturn on investment, annualised ROI and comparisonsFreelance Rate CalculatorThe hourly and day rate you need to chargeSelf-Employment Tax CalculatorUS self-employment tax, deductible half and quarterly set-asideUK Salary Calculator 2026/27 (Take-Home Pay)Take-home pay after tax, NI, pension and student loan for 2026/27Time TrackerTrack billable hours by project and client, export a timesheetCPM, CPC & ROAS CalculatorEvery ad metric from spend, clicks and conversionsCPM CalculatorCost per thousand impressions from spendCPC CalculatorCost per click from spend and clicksROAS CalculatorReturn on ad spend and break-even ROASCPA CalculatorCost per acquisition, lead or saleCustomer Lifetime Value CalculatorCLV, LTV:CAC and payback for any businessChurn Rate CalculatorCustomer churn, retention and revenue churnStartup Runway CalculatorHow many months until the money runs outMeeting Cost CalculatorWhat a meeting really costs, with a live meterNPS CalculatorNet Promoter Score from counts or raw scoresCap Table & Dilution CalculatorOwnership before and after a funding roundSales Commission CalculatorFlat and tiered commission with a breakdownOvertime Pay CalculatorTime and a half and double time pay for your weekQuota Attainment CalculatorAttainment, pace and what you need per dayWeighted Pipeline ForecastForecast revenue from deals and stage probabilitiesSales Velocity & Win Rate CalculatorRevenue per day from your pipeline, and your win rateDeal Discount Impact CalculatorWhat a discount really costs in profitPayback Period CalculatorTime to earn back an investment, with NPVMRR & ARR CalculatorMRR growth, retention and quick ratioPrice Increase CalculatorWill a price rise make more profit?Unit Economics CalculatorCAC, LTV, LTV:CAC and payback in one viewMarketing Budget PlannerSet and split a marketing budget by channelA/B Test Significance CalculatorIs your A/B test result statistically significant?Sample Size CalculatorVisitors for an A/B test or responses for a surveyConversion Rate CalculatorConversion rate, confidence range and funnel drop-offCold Email Template BuilderPersonalised cold emails and a follow-up sequenceSales Call Script BuilderCold call, discovery and follow-up scriptsLead Scoring CalculatorScore leads on fit and intent, one or a whole listHashtag FormatterTurn keywords into clean, accessible hashtagsCampaign Naming GeneratorConsistent campaign names and matching UTMsQuote & Estimate GeneratorPrintable quotes with items, tax and your logoReceipt GeneratorPrintable receipts for payments you have receivedReceipt Scanner to CSVPhotograph receipts and get merchant, date and total in a CSVBank Statement PDF to Excel / CSVConvert PDF bank statements to CSV for Excel, QuickBooks or XeroBusiness Name GeneratorBrandable name ideas from your keywordsPricing Tier CalculatorGood, better, best prices for your plansChart MakerBar, line and pie charts from pasted dataCV & Résumé BuilderA clean, ATS-friendly CV saved as PDFResume Keyword MatcherCompare your resume with a job ad: score, matched and missing keywordsGantt Chart MakerProject timelines with dependencies and milestonesBusiness Card MakerDesign and print business cards at 300 dpiBusiness Days CalculatorWorking days between dates, or add working daysEmail Signature GeneratorProfessional email signatures for Gmail and Outlook
Countdown TimerCount down to any date or event and share the linkHalloween CountdownLive countdown with days, hours and minutes to HalloweenChristmas CountdownLive countdown with days, hours and minutes to ChristmasNew Year CountdownLive countdown with days, hours and minutes to New YearThanksgiving CountdownLive countdown with days, hours and minutes to ThanksgivingBlack Friday CountdownLive countdown with days, hours and minutes to Black FridayValentine's Day CountdownLive countdown with days, hours and minutes to Valentine's DayEaster CountdownLive countdown with days, hours and minutes to EasterMother's Day CountdownLive countdown with days, hours and minutes to Mother's DayFather's Day CountdownLive countdown with days, hours and minutes to Father's DayDays Until SummerLive countdown with days, hours and minutes to SummerDays Until SpringLive countdown with days, hours and minutes to SpringChinese New Year CountdownLive countdown with days, hours and minutes to Chinese New YearDiwali CountdownLive countdown with days, hours and minutes to DiwaliRamadan CountdownLive countdown with days, hours and minutes to RamadanWhat Week Is It?Current week number and a table of every week of the year50/30/20 Budget CalculatorSplit your income into needs, wants and savingsGroup Expense SplitterSplit trip and flatmate costs and settle with fewest paymentsOnline TimerSimple countdown timer with alarm, presets and full screen30 Second TimerA 30 seconds countdown with alarm, full screen and pause1 Minute TimerA one minute countdown with alarm, full screen and pause2 Minute TimerA two minutes countdown with alarm, full screen and pause3 Minute TimerA three minutes countdown with alarm, full screen and pause5 Minute TimerA five minutes countdown with alarm, full screen and pause10 Minute TimerA ten minutes countdown with alarm, full screen and pause15 Minute TimerA fifteen minutes countdown with alarm, full screen and pause20 Minute TimerA twenty minutes countdown with alarm, full screen and pause25 Minute Timer (Pomodoro)A twenty-five minutes countdown with alarm, full screen and pause30 Minute TimerA thirty minutes countdown with alarm, full screen and pause45 Minute TimerA forty-five minutes countdown with alarm, full screen and pause1 Hour TimerA one hour countdown with alarm, full screen and pause90 Minute TimerA ninety minutes countdown with alarm, full screen and pause2 Hour TimerA two hours countdown with alarm, full screen and pauseWedding CountdownLive countdown to the big day, to share with guestsVacation CountdownDays until your holiday or trip, live and shareableRetirement CountdownLive countdown to your last day of workGraduation CountdownDays until graduation day, live and shareablePomodoro Timer25/5 focus timer with breaks, sounds and daily countOnline StopwatchStopwatch with laps, hundredths and CSV exportRandom Name PickerSpin a wheel of names, pick winners or make teamsOnline NotepadAutosaving notepad with several notes, privateTo-Do ListQuick to-do list with priorities and due datesKanban BoardPersonal Kanban board with drag and dropOnline Alarm ClockSet alarms and quick reminders in your browserPrintable CalendarPrint a year or month calendar for any year2027 Calendar with UK Bank HolidaysPrintable 2027 calendar with England, Wales and Scotland bank holidays2027 Calendar with US HolidaysPrintable 2027 calendar with all 11 US federal holidays2027 CalendarFree printable 2027 calendar: whole year or month by monthInvoice GeneratorCreate invoices with tax and discounts, print to PDFSignature GeneratorDraw or type a signature, download transparent PNGMind Map MakerBrainstorm with a quick, keyboard-friendly mind mapFlashcard MakerMake and study flashcards with spaced repetitionHabit TrackerMonthly habit grid with streaksTally CounterBig-button click counter with several countersChess ClockTwo-player game clock with increment and delayMoon Phase CalendarTonight's moon phase, next full moon and a calendarWhat Day Was I Born?Find the weekday of any date, past or futureSubscription Cost CalculatorWhat all your subscriptions cost per month and yearOnline ScoreboardBig full-screen scoreboard for up to six teamsOnline RulerActual-size ruler in cm and inches, calibrated with a cardRandom Team GeneratorSplit a list of names into random, even teams
BMI CalculatorBody mass index in metric or US units, with healthy rangeHearing Age TestHow old are your ears? A high-frequency hearing testColor Blind TestIshihara-style dot plates to screen your color visionOvulation CalculatorFertile window, ovulation day and next period, with a calendarCalorie CalculatorDaily calories to maintain, lose or gain weight (BMR & TDEE)Macro CalculatorSplit your calories into grams of protein, carbs and fatBody Fat CalculatorUS Navy tape-measure body fat percentageIdeal Weight CalculatorHealthy weight range for your height, four formulasWater Intake CalculatorHow much water to drink a day for your weight and activityHeart Rate Zone CalculatorFive training zones with the Karvonen formulaRunning Pace CalculatorPace, finish time, distance, splits and race predictionsOne Rep Max CalculatorEstimate your 1RM and training weightsSleep CalculatorBest times to go to bed or wake up, by sleep cyclesProtein CalculatorDaily protein in grams for your weight and goalSteps to Km CalculatorConvert steps to kilometres and miles from your heightCaffeine CalculatorHow much caffeine is left at bedtime (half-life chart)BAC CalculatorEstimate blood alcohol with the Widmark formula (education only)Due Date CalculatorPregnancy due date, weeks pregnant and milestonesHIIT Interval TimerWork/rest interval timer with rounds, sets and beepsBreathing ExerciseGuided box, 4-7-8 and coherent breathing with an animated circleCalories Burned CalculatorCalories burned by 30+ activities, by weight and timeWeight Loss CalculatorDaily calories and goal date to reach your target weightMeditation TimerTimer with singing-bowl bells, intervals and streaksTDEE CalculatorTotal daily energy expenditure from your BMR and activityBMR CalculatorBasal metabolic rate with Mifflin-St Jeor or Katch-McArdleKeto Macro CalculatorKeto macros: fat, protein and net carbs in gramsRace Time PredictorPredict 5K, 10K, half and marathon times from a recent raceMarathon Pace CalculatorPace and splits for your marathon goal timeWake Up Time CalculatorWhen to set your alarm if you go to bed at a given timeSteps to Miles ConverterHow many miles are your steps? Based on height or stridePregnancy Week CalculatorHow many weeks pregnant am I? Weeks, days and trimesterTabata Timer20 seconds work, 10 seconds rest, 8 roundsEMOM TimerEvery minute on the minute interval timerBox BreathingGuided 4-4-4-4 box breathing with an animated circle4-7-8 BreathingGuided 4-7-8 relaxing breath for sleep and calm
Recipe ScalerScale ingredient amounts up or down for any number of servingsCooking Measurement ConverterCups, grams, spoons and ml for 25+ ingredientsOven Temperature ConverterCelsius, Fahrenheit, fan and gas mark conversionsKitchen TimerSeveral named cooking timers at once, with alarmsPaint CalculatorHow much paint for a room, in litres or gallonsTile CalculatorTiles and boxes for a floor or wall, with grout and wasteWallpaper CalculatorRolls of wallpaper by strips, with pattern repeatConcrete CalculatorConcrete volume, weight and bags for slabs and holesFuel Cost CalculatorTrip fuel or charging cost, split between passengersElectricity Cost CalculatorRunning cost of appliances per day, month and yearPacking ChecklistA travel packing list built for your tripShopping ListGrocery list sorted by aisle, saved and shareableChore Wheel & RotaSpin a wheel or print a fair rotating chore chartSecret Santa GeneratorDraw names with exclusions and private reveal linksSeating Chart MakerPlan wedding tables or classroom desks, then print the chartFamily Tree MakerMake a printable family tree with photos, 3 to 5 generationsPet Age CalculatorDog and cat age in human years, by sizeShoe Size ConverterUS, UK, EU and cm shoe sizes for men and womenClothing Size ConverterInternational women's and men's clothing sizesBirthday CountdownLive countdown to your next birthday, with fun factsUnit Price CalculatorWhich pack is cheaper? Compare price per kg, litre or itemTV Size CalculatorBest TV size for your viewing distance, and vice versaCups to Grams ConverterConvert US cups to grams for flour, sugar, butter and moreGrams to Cups ConverterTurn gram weights into US cups for any common ingredientEgg TimerBoiled egg timer: soft, jammy, medium or hardFlooring CalculatorBoxes of laminate, vinyl or wood flooring for a roomMulch CalculatorCubic yards or bags of mulch for your garden bedsGravel CalculatorTonnes, cubic yards and bags of gravel for paths and drivesDog Age CalculatorDog years to human years by breed sizeCat Age CalculatorCat years to human years with life stagesGas Cost CalculatorRoad trip gas cost in miles, mpg and dollars per gallon
Password GeneratorStrong random passwords, passphrases and PINsPassphrase GeneratorMemorable random-word passwordsRandom PIN GeneratorRandom 4, 6 or 8 digit PIN codesPassword Strength CheckerHow strong is your password, really?Encrypt File with PasswordAES-256 encrypt and decrypt files and textHide Message in ImageHide secret text inside a pictureSecret Splitter (Shamir)Split a secret into shares, recover with any fewQR Code GeneratorQR codes for links, Wi-Fi, contacts and moreWi-Fi QR Code GeneratorLet guests join your Wi-Fi by scanningvCard QR Code GeneratorShare your contact details with one scanEmail QR Code GeneratorScan to send a pre-written emailSMS QR Code GeneratorScan to send a pre-written text messageWhatsApp QR Code GeneratorScan to start a WhatsApp chat with youLocation QR Code GeneratorScan to open a place in a maps appEvent QR Code GeneratorScan to add an event to the calendarQR Code with LogoBranded QR codes with your logo in the middleBulk QR Code GeneratorMake hundreds of QR codes from a list or CSV, download as ZIPQR Code ScannerScan QR codes with your camera or from an imageBrowser Fingerprint TestSee what websites can learn about your browserTOTP Code Generator2FA authenticator codes from a secret keyCaesar CipherEncode, decode and crack shift ciphersROT13 ConverterEncode or decode ROT13 textPrivate Encrypted NoteSend a note that only the link can unlockCredit Card ValidatorCheck card numbers with the Luhn algorithmIBAN ValidatorCheck IBAN length and check digitsBcrypt GeneratorHash and verify passwords with bcryptRSA Key GeneratorGenerate RSA key pairs and SSH public keysEmail Header AnalyzerTrace an email and spot spoofingSuspicious Link CheckerSpot phishing tricks in a URL before you click
Blue or Green TestWhere is your boundary between blue and green?Number Memory TestHow many digits can you remember?Chimp TestAre you smarter than a chimpanzee? Visual memory testDraw a Perfect CircleHow perfect a circle can you draw? Get a scoreLife in WeeksYour whole life as a poster of weeksHow Long Have I Been Alive?Your age in days, seconds, heartbeats and full moonsTier List MakerRank anything into S–D tiers and export a PNGWordle SolverEnter your guesses and colours to find the answerFlip a CoinHeads or tails? A fair, animated coin tossDice RollerRoll d4–d100 dice with notation like 2d6+3Roll a D20Roll a 20-sided die, with advantageRoll Two DiceRoll a pair of six-sided dice for board gamesTyping Speed TestMeasure your WPM and accuracyReaction Time TestHow fast are your reflexes?Keyboard TesterCheck every key on your keyboard worksDead Pixel TestFull-screen colours to spot dead and stuck pixelsGame of LifeConway’s cellular automaton sandboxFractal ExplorerZoom into the Mandelbrot and Julia setsGenerative ArtFlow-field art you can export as wallpaperF1 Reaction TestFive red lights, lights out – how fast do you react?CPS TestHow many clicks per second can you do?Spacebar CounterHow many times can you press space in 5 or 10 seconds?Aim TrainerHit targets as fast as you can and measure accuracySequence Memory TestRepeat the flashing pattern, one step longer each levelVerbal Memory TestSeen it or new? Test your memory for wordsStroop TestName the ink colour, not the word – beat your brainColor Hue TestFind the odd colour out as the shades get closerSudokuPlay free Sudoku puzzles from easy to expertJigsaw PuzzleTurn your photo into a jigsaw puzzle and solve itZodiac Sign CalculatorFind your star sign, element and Chinese zodiacYes or No GeneratorAsk a question and get a fair random yes or noMagic 8 BallAsk the Magic 8 Ball any question onlineRandom Card GeneratorDraw random playing cards from a shuffled deckAlignment Chart MakerMake a 3×3 lawful-to-chaotic alignment chart memeShip Name GeneratorBlend two names into the perfect couple ship nameWhite ScreenA plain full-screen white light for any deviceBlack ScreenA pure black full-screen page for any display
No tools match. Try another word.