288 free online tools that run in your browser
Convert images and PDFs, format JSON, count words, generate passwords and QR codes, and calculate almost anything — small, fast utilities that keep your files on your device.
- 🔒 No uploads
- 💚 Free, no sign-up
- 📱 Works on any device
Popular tools
The tools people reach for most often.
- ImageImage ConverterConvert images between JPG, PNG, WebP and PDF.
- PDFCompress PDFReduce PDF file size in your browser.
- PDFMerge PDFCombine multiple PDF files into one.
- ImageImage CompressorReduce image file size without uploading your files.
- DeveloperJSON FormatterFormat and beautify JSON online.
- TextWord CounterCount words and characters instantly.
- GeneratorsPassword GeneratorGenerate strong, random passwords.
- GeneratorsQR Code GeneratorCreate QR codes for links, Wi-Fi and text.
- CalculatorsPercentage CalculatorWork out percentages of numbers.
- UnitsLength ConverterConvert km to miles, cm to inches, feet to meters.
- ColorColor PickerPick colors and get HEX, RGB and HSL codes.
- ProductivityKanban BoardA private Kanban board saved in your browser.
Image Tools
Convert, compress, resize and edit images directly in your browser — from passport photos, collages and social media sizes to watermarks, blurring, favicons and GIFs.
- Image ConverterConvert images between JPG, PNG, WebP and PDF.
- Image CompressorReduce image file size without uploading your files.
- Image ResizerResize images directly in your browser.
- Image CropperCrop images to any size or aspect ratio.
- Image RotatorRotate images by 90°, 180° or any angle.
- Image FlipperFlip images horizontally or vertically (mirror).
- Background RemoverRemove plain or solid-colour backgrounds from images.
- EXIF ViewerView and remove photo metadata like GPS and camera info.
- Image to Base64Encode an image as a Base64 data URI.
- Base64 to ImageDecode a Base64 string back into an image.
- SVG to PNGConvert SVG vector graphics to PNG at any size.
- HEIC to JPGConvert iPhone HEIC photos to JPG, PNG or WebP.
- Image to Text (OCR)Extract text from images and screenshots.
- Compress Image to Exact SizeShrink a photo to 20 KB, 50 KB, 100 KB or any size.
- Meme GeneratorAdd classic meme captions to any image.
- Passport Photo MakerCrop a photo to passport and visa size, ready to print.
- Profile Picture MakerCircle-crop a photo and add a border for social profiles.
- Add Text to ImageWrite text on a photo with any font, colour and position.
- Watermark ImageAdd a text or logo watermark to many photos at once.
- Blur & Pixelate ImageHide faces, number plates and private details in a photo.
- Photo Collage MakerCombine 2–9 photos into one image with grid layouts.
- Image Grid SplitterSplit an image into 3, 6, 9 or 12 tiles for an Instagram grid.
- GIF MakerTurn a set of images into an animated GIF.
- Favicon GeneratorCreate favicon.ico and app icons from any image.
- Social Media Image ResizerResize images for Instagram, Facebook, X, LinkedIn and YouTube.
- Image to ASCII ArtConvert a picture into text-based ASCII art.
- Pixel Art EditorDraw pixel art & sprites, export PNG, SVG or GIF.
- Image Color PickerClick any pixel of an image to get its colour.
- DPI & Print Size CalculatorPixels, DPI and print size — calculate any one.
- SVG OptimizerShrink SVG files by removing editor junk.
- SVG Path EditorDraw and edit SVG paths visually, copy the d code.
- Mesh Gradient GeneratorMake soft multi-colour mesh gradients for CSS & PNG.
- Color Blindness SimulatorPreview images & palettes as colour-blind people see.
- Image Color Palette ExtractorExtract the main colours from an image.
- MYLPERA free online image editor with layers, masks, adjustment layers and undo history, running in your browser.External site · opens in a new tab
PDF Tools
Merge, split, edit, fill, crop and convert PDF files — and turn Word documents into PDFs — without uploading them anywhere.
- Merge PDFCombine multiple PDF files into one.
- Split PDFSplit a PDF into several smaller files.
- Compress PDFReduce PDF file size in your browser.
- Rotate PDFRotate all or selected PDF pages.
- Extract PDF PagesSave selected pages as a new PDF.
- Reorder PDF PagesChange the order of pages in a PDF.
- PDF to JPGConvert PDF pages to JPG images.
- PDF to PNGConvert PDF pages to sharp PNG images.
- PDF to TextExtract text from a PDF — scanned pages too, with OCR.
- PDF Metadata ViewerView and edit PDF title, author and properties.
- Sign PDFDraw or type a signature and place it on a PDF.
- Add Page Numbers to PDFNumber the pages of a PDF.
- Watermark PDFStamp text like CONFIDENTIAL or DRAFT on a PDF.
- Protect PDFAdd a password to a PDF (AES-256).
- Unlock PDFRemove the password from a PDF you can open.
- Delete PDF PagesRemove unwanted pages from a PDF.
- Crop PDFTrim margins and crop PDF pages.
- Edit PDFAdd text, images, white-out and highlights to a PDF.
- Fill PDF FormFill in fillable PDF forms without Acrobat.
- Grayscale PDFConvert a PDF to grayscale, black & white or a scanned look.
- Word to PDFConvert Word (DOCX) documents to PDF.
Developer Tools
Everyday developer utilities: formatters, encoders, decoders and converters, JSON diff, subnet and chmod calculators, bcrypt and TOTP, meta tags and robots.txt, and pretty code screenshots — plus visual Flexbox and CSS Grid playgrounds, a CSS unit visualizer, and ASCII, HTML entity and HTTP status references.
- JSON FormatterFormat and beautify JSON online.
- JSON ValidatorCheck if JSON is valid and find syntax errors.
- JSON MinifierRemove whitespace to make JSON compact.
- JSON to YAMLConvert JSON to YAML.
- YAML to JSONConvert YAML to JSON.
- JSON to CSVConvert a JSON array to a CSV table.
- CSV to JSONConvert CSV data to JSON.
- XML FormatterBeautify or minify XML.
- HTML FormatterBeautify HTML code.
- CSS FormatterBeautify CSS, SCSS-style code.
- JavaScript FormatterBeautify JavaScript code.
- JavaScript MinifierMinify JavaScript to reduce file size.
- Base64 EncoderEncode text to Base64.
- Base64 DecoderDecode Base64 to text.
- URL EncoderPercent-encode text for URLs.
- URL DecoderDecode percent-encoded URLs.
- JWT DecoderDecode JWT tokens directly in your browser.
- UUID GeneratorGenerate random UUID v4 and time-ordered v7.
- Hash GeneratorGenerate MD5, SHA-1, SHA-256 and SHA-512 hashes.
- Regex TesterTest, explain and visualize regular expressions.
- Cron Expression GeneratorBuild and explain cron schedules.
- Markdown to HTMLConvert Markdown to HTML.
- HTML to MarkdownConvert HTML to Markdown.
- SQL FormatterBeautify SQL queries for 10 dialects.
- JSON to TypeScriptGenerate TypeScript interfaces from JSON.
- HTML Entity Encoder / DecoderEncode & < > " as HTML entities, or decode them.
- Number Base ConverterBinary, octal, decimal and hex — any base 2–36.
- JSON to XML ConverterConvert JSON to XML, and XML back to JSON.
- JSON DiffCompare two JSON documents and list every change.
- String Escape / UnescapeEscape strings for JSON, JS, Python, SQL, CSV, regex…
- URL Parser & Query String BuilderSplit a URL into parts and edit its query string.
- User Agent ParserParse any user-agent string; spot bots and crawlers.
- Subnet CalculatorIPv4/IPv6 CIDR: network, mask, broadcast, hosts.
- Chmod CalculatorLinux file permissions: 755 ↔ rwxr-xr-x.
- SVG OptimizerShrink SVG files by removing editor junk.
- Meta Tag & Open Graph GeneratorSEO meta tags, Open Graph and X cards with previews.
- Robots.txt GeneratorBuild robots.txt, block AI crawlers, test URLs.
- HTTP Status Code LookupEvery HTTP status code explained, with SEO notes.
- Code to ImageBeautiful code screenshots as PNG.
- Bcrypt Hash GeneratorHash passwords with bcrypt and verify hashes.
- TOTP / 2FA Code GeneratorLive 2FA codes from a secret key or otpauth link.
- Text to Binary ConverterText ↔ binary, hex and decimal bytes (UTF-8).
- CSS Unit VisualizerSee px, %, em, rem, vw, vh, ch and ex side by side.
- HTML Entity ReferenceSearch all 2,000+ named HTML entities and copy them.
- CSS Flexbox PlaygroundBuild flexbox layouts visually and copy the CSS.
- CSS Grid PlaygroundBuild CSS grid layouts with numbered lines and copy the CSS.
- ASCII TableAll 128 ASCII codes in decimal, hex, octal, binary and HTML.
- CSS Box Shadow GeneratorLayer CSS box-shadows visually and copy the code.
- CSS Border Radius GeneratorShape corners with draggable handles and copy CSS.
- CSS Clip-Path GeneratorDraw clip-path polygons, circles and insets.
- CSS Transform PlaygroundTranslate, rotate, scale and skew a box, copy CSS.
- CSS Specificity CalculatorCalculate and compare CSS selector specificity.
- Typography PlaygroundTune font, size, spacing and line length, copy CSS.
- SVG Path EditorDraw and edit SVG paths visually, copy the d code.
- JSON Viewer & Tree ExplorerExplore JSON as a collapsible tree and copy paths.
- HTTP Request BuilderBuild HTTP requests and get cURL, fetch & Python code.
- UTM Link BuilderAdd UTM campaign tags to any URL.
- FAQ Schema GeneratorCreate FAQPage JSON-LD structured data.
- Article Schema GeneratorCreate Article or BlogPosting JSON-LD.
- Social Share Card PreviewMock up how a link card may look when shared.
- JSON Schema GeneratorInfer a JSON Schema from sample JSON.
- HTML to JSX ConverterConvert HTML markup to React JSX.
- CSV ViewerOpen CSV files as a sortable, searchable table.
- Markdown Table GeneratorBuild Markdown tables in a visual editor.
- CSV to Markdown ConverterTurn CSV data into a Markdown table.
- JSON to TOML ConverterConvert JSON to TOML configuration.
- JSON-LD Validator & ViewerCheck JSON-LD structured data and browse it.
- Slug GeneratorTurn titles into clean URL slugs.
- Fake Test Data GeneratorMock names, emails, addresses as CSV, JSON or SQL.
- Unix Timestamp ConverterConvert Unix epoch time to dates and back.
- Timestamp ConverterConvert dates between ISO 8601, RFC 2822 and more.
- What Is My BrowserYour browser, version, OS and user agent.
- Unicode Character ExplorerSearch and inspect any Unicode character, block or code point.
- Bézier Curve VisualizerSee how linear, quadratic and cubic Béziers work.
Text Tools
Count, clean, compare and transform text instantly: word counts and readability scores, line-break and duplicate removal, slugs, upside-down and strikethrough text, invisible characters and symbols to copy, and Morse code and braille translators.
- Word CounterCount words and characters instantly.
- Character CounterCount characters with and without spaces.
- Sentence CounterCount sentences and average sentence length.
- Text Case ConverterChange text to upper, lower, title, camel and more.
- Uppercase ConverterConvert text to UPPERCASE.
- Lowercase ConverterConvert text to lowercase.
- Title Case ConverterCapitalize headlines properly.
- Remove Duplicate LinesDelete repeated lines from a list.
- Remove Empty LinesDelete blank lines from text.
- Sort LinesSort lines alphabetically, naturally or by length.
- Text DiffCompare two texts and highlight differences.
- Find and ReplaceFind and replace text, with regex support.
- Lorem Ipsum GeneratorGenerate placeholder text.
- Markdown PreviewerWrite Markdown with a live preview.
- Morse Code ConverterTranslate text to Morse code and back.
- Fancy Text GeneratorTurn text into 𝐛𝐨𝐥𝐝, 𝓈𝒸𝓇𝒾𝓅𝓉, ⓒⓘⓡⓒⓛⓔⓓ and more.
- Text to SpeechRead text aloud with natural voices.
- Upside Down Text GeneratorFlip text upside down: ʇxǝʇ uʍop ǝpısdn.
- Strikethrough Text GeneratorCross out text: s̶t̶r̶i̶k̶e̶t̶h̶r̶o̶u̶g̶h̶ to copy and paste.
- Reverse TextWrite text backwards, reverse words or lines.
- Text RepeaterRepeat a word, emoji or sentence many times.
- Remove Line BreaksJoin broken lines from PDFs and emails.
- Add Prefix / Suffix to LinesAdd text to the start or end of every line.
- Readability Score CheckerFlesch reading ease and grade level for any text.
- Invisible CharacterCopy blank text, or find hidden characters.
- Special Characters & SymbolsCopy arrows, check marks, stars and 500+ symbols.
- Slug GeneratorTurn titles into clean URL slugs.
- Braille TranslatorConvert text to braille and braille back to text.
- Typing Speed TestMeasure your typing speed in WPM and accuracy.
- Reading Time CalculatorEstimate reading and speaking time for any text.
- Keyword Density CheckerSee how often words and phrases appear in text.
- Duplicate Word FinderFind accidentally repeated words like “the the”.
- Sentence Length CheckerFind long sentences and see the average length.
- Text to Binary ConverterText ↔ binary, hex and decimal bytes (UTF-8).
- Typography PlaygroundTune font, size, spacing and line length, copy CSS.
- Markdown Table GeneratorBuild Markdown tables in a visual editor.
- Unicode Character ExplorerSearch and inspect any Unicode character, block or code point.
- Math Symbols ReferenceCopy math symbols with their names, Unicode and LaTeX.
- Online NotepadWrite notes that save automatically in your browser.
Color Tools
Convert color codes, build palettes and gradients, check accessibility contrast, and find the name of any colour among 1,000+ CSS and common colour names.
- Color PickerPick colors and get HEX, RGB and HSL codes.
- HEX to RGBConvert HEX color codes to RGB.
- RGB to HEXConvert RGB color codes to HEX.
- HEX to HSLConvert HEX color codes to HSL.
- RGB to HSLConvert RGB color codes to HSL.
- HSL to RGBConvert HSL color codes to RGB.
- Color Palette GeneratorGenerate harmonious color palettes.
- CSS Gradient GeneratorCreate linear and radial CSS gradients.
- Contrast CheckerCheck WCAG color contrast for accessibility.
- Color ConverterConvert any color between HEX, RGB, HSL, HSV and CMYK.
- Color Name ExplorerFind the name of any colour and browse 1,000+ named colours.
- Mesh Gradient GeneratorMake soft multi-colour mesh gradients for CSS & PNG.
- Color Blindness SimulatorPreview images & palettes as colour-blind people see.
- Image Color Palette ExtractorExtract the main colours from an image.
- Image Color PickerClick any pixel of an image to get its colour.
- Random Color GeneratorRandom pastel, vivid or dark colours with HEX codes.
Calculators
Quick, accurate calculators for everyday maths, money and health questions — from mortgages, salaries and retirement savings to fractions, probability, body fat and the molar mass of chemical formulas.
- Percentage CalculatorWork out percentages of numbers.
- Percentage Increase CalculatorFind the percentage increase or decrease.
- Age CalculatorCalculate exact age in years, months and days.
- Date CalculatorDays between dates, or add/subtract time.
- BMI CalculatorCalculate Body Mass Index (metric or imperial).
- BMR CalculatorEstimate calories burned at rest and per day.
- Loan CalculatorMonthly payment and total interest for a loan.
- EMI CalculatorEquated monthly instalment with full schedule.
- Tip CalculatorCalculate tip and split the bill.
- Discount CalculatorSale price and savings after a discount.
- Compound Interest CalculatorSee how savings grow with compound interest.
- VAT CalculatorAdd or remove VAT / sales tax.
- Time Duration CalculatorHours and minutes between two times.
- Average CalculatorMean, median, mode and more.
- Scientific CalculatorTrig, logs, powers, roots and factorials.
- GPA CalculatorSemester and cumulative GPA on a 4.0 scale.
- Grade CalculatorWeighted grade and what you need on the final.
- Calorie CalculatorDaily calories and macros for your goal.
- Pregnancy Due Date CalculatorDue date, weeks pregnant and milestones.
- Ovulation CalculatorFertile window and ovulation date.
- Mortgage CalculatorMonthly mortgage payment with taxes, insurance and PMI.
- Salary to Hourly CalculatorConvert a yearly salary to an hourly wage and back.
- Fraction CalculatorAdd, subtract, multiply and divide fractions with steps.
- Ratio CalculatorSolve proportions, simplify ratios and split totals.
- Aspect Ratio CalculatorFind the aspect ratio and resize width or height.
- Body Fat CalculatorEstimate body fat % with the U.S. Navy tape method.
- Ideal Weight CalculatorIdeal body weight by Devine, Robinson, Miller and Hamwi.
- Profit Margin CalculatorCalculate margin, markup, profit and selling price.
- ROI CalculatorReturn on investment and annualized ROI (CAGR).
- Savings Goal CalculatorHow much to save each month to reach a goal.
- Retirement CalculatorProject retirement savings and how long they last.
- Unit Price CalculatorCompare prices per kg, litre or item.
- Probability CalculatorOdds, independent events, binomial and combinations.
- Square Root CalculatorSquare, cube and nth roots with simplified radicals.
- Exponent CalculatorPowers, logarithms and roots — solve aⁿ for any part.
- Molar Mass CalculatorMolar mass and percent composition of any chemical formula.
- Percentage Difference CalculatorPercentage change and percentage difference of two numbers.
- DPI & Print Size CalculatorPixels, DPI and print size — calculate any one.
- Time Card CalculatorAdd up weekly hours, breaks, overtime and pay.
Unit Converters
Convert between metric, imperial and scientific units — plus everyday conversions such as cups to grams, mpg to L/100 km and international shoe and clothing sizes.
- Length ConverterConvert km to miles, cm to inches, feet to meters.
- Weight ConverterConvert kg to lbs, grams to ounces, stone to kg.
- Temperature ConverterConvert Celsius to Fahrenheit, Fahrenheit to Celsius, Kelvin.
- Area ConverterConvert m² to ft², acres to hectares.
- Volume ConverterConvert liters to gallons, ml to cups, fl oz to ml.
- Speed ConverterConvert km/h to mph, m/s to km/h, knots.
- Time ConverterConvert hours to minutes, days to seconds, weeks to days.
- Data Storage ConverterConvert GB to MB, MiB to MB, TB to GB.
- Energy ConverterConvert kcal to kJ, kWh to joules, BTU.
- Pressure ConverterConvert bar to psi, kPa to psi, atm to Pa.
- Frequency ConverterConvert MHz to kHz, GHz to Hz, rpm to Hz.
- Angle ConverterConvert degrees to radians, radians to degrees, gradians.
- Power ConverterConvert kW to hp, watts to horsepower, hp to kW.
- Torque ConverterConvert Nm to lb-ft, lb-ft to Nm, kgf·m to Nm.
- Fuel Economy ConverterConvert mpg to L/100 km, L/100 km to mpg, km/L.
- Number to WordsWrite numbers in words, for cheques and documents.
- Roman Numeral ConverterNumbers to Roman numerals and back.
- Cooking Measurement ConverterCups to grams, tbsp to ml, oz to g — by ingredient.
- Shoe Size ConverterUS, UK, EU and cm shoe sizes for men, women and kids.
- Clothing Size ConverterInternational clothing sizes: US, UK, EU, IT, JP.
- Number Base ConverterBinary, octal, decimal and hex — any base 2–36.
- Text to Binary ConverterText ↔ binary, hex and decimal bytes (UTF-8).
Security & Generators
Passwords and a strength checker, random numbers, teams, usernames, colours and fake test data, invoices, email signatures, QR codes and barcodes.
- Password GeneratorGenerate strong, random passwords.
- Passphrase GeneratorGenerate memorable multi-word passphrases.
- Random Number GeneratorPick random numbers in any range.
- Random String GeneratorGenerate random strings, tokens and IDs.
- SHA-256 GeneratorGenerate SHA-256 hashes of text or files.
- SHA-512 GeneratorGenerate SHA-512 hashes of text or files.
- QR Code GeneratorCreate QR codes for links, Wi-Fi and text.
- QR Code ScannerScan QR codes from your camera or an image.
- Barcode GeneratorCreate Code 128, EAN-13, UPC and more.
- Wheel SpinnerSpin a wheel to pick a random name.
- Dice RollerRoll d4–d100 dice or notation like 2d6+3.
- Coin FlipFlip a fair coin — heads or tails.
- Random Team GeneratorSplit a list of names into fair random teams.
- Username GeneratorIdeas for usernames, gamer tags and handles.
- Fake Test Data GeneratorMock names, emails, addresses as CSV, JSON or SQL.
- Random Color GeneratorRandom pastel, vivid or dark colours with HEX codes.
- Invoice Generator (PDF)Create a professional PDF invoice for free.
- Email Signature GeneratorProfessional HTML email signatures for Gmail & Outlook.
- Password Strength CheckerHow strong is your password? Checked locally.
- UUID GeneratorGenerate random UUID v4 and time-ordered v7.
- Hash GeneratorGenerate MD5, SHA-1, SHA-256 and SHA-512 hashes.
- Bcrypt Hash GeneratorHash passwords with bcrypt and verify hashes.
- TOTP / 2FA Code GeneratorLive 2FA codes from a secret key or otpauth link.
Date & Time Tools
Everyday date and time tools: timestamps, time zones and a live world time-zone map, date maths, day of the week, week numbers, time cards, printable calendars, plus an alarm clock, timers, a stopwatch and a Pomodoro timer.
- Unix Timestamp ConverterConvert Unix epoch time to dates and back.
- Timestamp ConverterConvert dates between ISO 8601, RFC 2822 and more.
- Time Zone ConverterConvert a time between time zones.
- Date Difference CalculatorExact time between two dates.
- Add or Subtract Days from a DateAdd or subtract days, weeks, months or business days.
- Working Days CalculatorCount business days, excluding holidays.
- Week Number CalculatorFind the ISO week number of any date.
- Countdown Timer GeneratorCreate a shareable countdown to any date.
- World ClockCurrent time in cities around the world.
- Online StopwatchPrecise stopwatch with lap times.
- Online TimerCountdown timer with alarm.
- Pomodoro Timer25-minute focus sessions with breaks.
- Online Alarm ClockSet alarms with sounds, snooze and repeat days.
- Day of the Week CalculatorWhat day of the week was (or will be) any date?
- Printable Calendar GeneratorMake a printable monthly or yearly calendar PDF.
- Time Card CalculatorAdd up weekly hours, breaks, overtime and pay.
- World Time Zone MapSee day, night and local times on a live world map.
- Date Format ConverterConvert dates between DD/MM/YYYY, MM/DD/YYYY and ISO.
- FocusCrewA free Pomodoro timer you run with a small crew, focusing at the same time — no video calls.External site · opens in a new tab
Audio & Video Tools
Compress videos, convert and cut audio, record your voice or screen, extract MP3 from video and make GIFs — without installing software.
- MP4 to MP3Extract the audio from a video as MP3.
- Video to GIFTurn a video clip into an animated GIF.
- Video TrimmerCut a clip out of a video without uploading it.
- Video CompressorMake videos smaller without uploading them.
- Audio Trimmer / CutterCut MP3, WAV and other audio — with fades.
- Audio ConverterConvert audio to MP3, WAV, M4A or OGG.
- Voice RecorderRecord your voice and save it as MP3 or WAV.
- Screen RecorderRecord your screen, a window or a tab — with audio.
Device Tests
Check that your keyboard, screen, camera and microphone work, find dead pixels, and see exactly which browser, resolution and refresh rate you have.
- Webcam TestCheck your camera, resolution and frame rate.
- Microphone TestCheck your mic level and hear yourself back.
- Keyboard TesterCheck every key, ghosting and key rollover.
- Screen Resolution CheckerWhat is my screen resolution, viewport and refresh rate?
- Dead Pixel TestFull-screen colours to find dead and stuck pixels.
- What Is My BrowserYour browser, version, OS and user agent.
Reference & Learning
Quick, searchable references for the things you look up again and again: an interactive periodic table, country codes and flags, Unicode characters, HTML entities and ASCII codes, math symbols with LaTeX, keyboard shortcuts for every platform, and paper sizes and aspect ratios.
- Interactive Periodic TableExplore all 118 chemical elements and their properties.
- Country ExplorerCapitals, ISO codes, currencies, calling codes and more for every country.
- Flag ExplorerBrowse and search the flags of the world, then quiz yourself.
- Keyboard Shortcut ReferenceSearch shortcuts for Windows, macOS, Linux and every major browser.
- Unicode Character ExplorerSearch and inspect any Unicode character, block or code point.
- Math Symbols ReferenceCopy math symbols with their names, Unicode and LaTeX.
- Measurement ReferencePaper sizes, aspect ratios, resolutions, type units and social image sizes.
- Bézier Curve VisualizerSee how linear, quadratic and cubic Béziers work.
- Chess Board Editor (FEN)Set up a chess position and get its FEN.
- Number Base ConverterBinary, octal, decimal and hex — any base 2–36.
- HTTP Status Code LookupEvery HTTP status code explained, with SEO notes.
- HTML Entity ReferenceSearch all 2,000+ named HTML entities and copy them.
- ASCII TableAll 128 ASCII codes in decimal, hex, octal, binary and HTML.
- Braille TranslatorConvert text to braille and braille back to text.
- Color Name ExplorerFind the name of any colour and browse 1,000+ named colours.
- Molar Mass CalculatorMolar mass and percent composition of any chemical formula.
- Roman Numeral ConverterNumbers to Roman numerals and back.
- Flashcard MakerMake flashcards, study them and quiz yourself.
Productivity
Plan, prioritise and decide without signing up: a Kanban board, an Eisenhower matrix for sorting tasks by urgency and importance, a weighted decision matrix, a timeline maker, and timers and calendars for getting through the day.
- Decision MatrixCompare options with weighted criteria and scores.
- Eisenhower MatrixSort tasks by urgency and importance.
- Kanban BoardA private Kanban board saved in your browser.
- Timeline MakerMake a timeline and download it as SVG or PNG.
- Resume BuilderBuild a clean CV and download it as a PDF.
- Online NotepadWrite notes that save automatically in your browser.
- Flashcard MakerMake flashcards, study them and quiz yourself.
- Invoice Generator (PDF)Create a professional PDF invoice for free.
- Working Days CalculatorCount business days, excluding holidays.
- Pomodoro Timer25-minute focus sessions with breaks.
- Printable Calendar GeneratorMake a printable monthly or yearly calendar PDF.
- Time Card CalculatorAdd up weekly hours, breaks, overtime and pay.
- FocusCrewA free Pomodoro timer you run with a small crew, focusing at the same time — no video calls.External site · opens in a new tab
Emoji, games & collections
Where Emojar started: emoji search, quick games and themed sets.
- Emoji search & copy
Search and copy 3,789 emojis with their meanings, browse 10 categories and the A–Z lists.
- Emoji games
18 quick browser games — Wordle, 2048, Snake, Minesweeper, Hangman, Guess the Flag and more.
- Holiday & themed collections
Ready-made emoji sets for holidays and events, plus letter-shaped and detailed emoji tables.
Latest guides
Step-by-step walkthroughs for getting more out of the tools.
- Units5 Myths About International Clothing Sizes, DebunkedA US 8 isn't a UK 8, an EU 38 isn't an Italian 38, and a Medium means little abroad. Five common sizing myths and what the charts really show.
- Calculators5 Practical Savings Goals and How Much to Save Each MonthEmergency fund, car, home deposit, vacation or a round-number target. Five worked savings plans showing the monthly amount, interest earned and timeline.
- Developer5 Practical Uses for MD5, SHA-256 and HMAC HashesVerify downloads, debug webhook signatures, build cache keys, spot duplicates, detect changes. Real uses for hash functions, and which algorithm fits each.
Why use Emojar tools?
Private by design
Files and text are processed on your device. Nothing is uploaded, stored or logged.
Fast
No upload queue and no waiting for a server — results appear in seconds, even for large files.
Free, no account
Every tool is free to use without signing up — no watermarks, no quotas and no paywalled features.
Most online converters upload your files to their servers. Emojar tools use features built into your browser — the File API, Canvas, Web Workers and the Web Crypto API — so the work happens on your own device. That makes them safe for contracts, IDs, private photos, API keys and anything else you would rather not share.
Frequently asked questions
Are Emojar tools free?
Yes. All 288 tools are free to use, with no account, no watermarks and no usage limits.
Are my files uploaded anywhere?
No. Files and text are processed by your own browser, so they never leave your device. The few tools that contact another service, such as downloading the OCR engine once, say so on their page.
Do I need to install anything or sign up?
No. Open a tool and use it straight away — there is nothing to install and no sign-up.
Which devices and browsers are supported?
Every tool works in current versions of Chrome, Edge, Firefox and Safari on Windows, macOS, Linux, Android and iPhone.