UtiluseFree online tools
Small, focused tools for everyday tasks. They open instantly, need no account and run entirely in your browser, so your files and text stay on your device.
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Time 12
- CountdownMake a free countdown to any date: days, hours, minutes and seconds until your event.
- Days Between DatesFree day counter: count how many days are between two dates, in years, months and days, plus total weeks, hours and business days, for any date range.
- Age CalculatorHow old am I?
- Add Days to DateWhat date is 90 days from today?
- TimerFree online countdown timer with alarm sound.
- StopwatchFree online stopwatch with lap times to the hundredth of a second.
- PomodoroFree online Pomodoro timer: 25-minute focus sessions with short and long breaks, a round counter and auto-continue.
- Alarm ClockFree online alarm clock: set one or more alarms with a label, repeat days, snooze and a choice of sounds.
- Week NumberWhat week is it?
- World ClockWhat time is it around the world right now?
- Time Zone ConverterFree time zone converter: pick a time and city and see it in every zone you need, with the time difference, a 24-hour table and best meeting hours.
- ClockA free full-screen clock that stays big on any screen: digital, flip or analog, with seconds, 12/24-hour time, the date and any time zone.
Calculators 28
- BMI CalculatorFree BMI calculator: enter your height and weight to get your BMI and WHO category, a healthy BMI for adults, your ideal weight range and BMI Prime.
- BMR CalculatorFree BMR calculator: estimate how many calories you burn a day at rest, with the Mifflin–St Jeor, Harris–Benedict and Katch–McArdle formulas.
- TDEE CalculatorFree TDEE calculator: find your maintenance calories from your activity level, how many calories to eat a day to lose or gain weight, and macros in grams.
- CalculatorFree online calculator with keyboard support, live results, percent key and a history you can copy or reuse.
- Scientific CalculatorFree online scientific calculator: sin, cos, tan and inverses in degrees or radians, log and ln, powers, roots, factorials, π and e, with history.
- Fitness CalculatorsHow much water should you drink a day?
- Body Fat CalculatorFree body fat calculator: estimate your body fat percentage with the US Navy tape method (neck, waist, hip) or from BMI, with fat mass and lean mass.
- Ideal WeightHow much should I weigh?
- One Rep MaxFree one rep max calculator: estimate your 1RM from weight and reps with Epley, Brzycki and Lombardi, plus a percentage chart for bench, squat and deadlift.
- Calories BurnedHow many calories do I burn?
- Fuel Cost CalculatorFree gas calculator: enter distance, mpg or L/100 km and the gas price to get the fuel needed and the trip cost, round trip and split per person.
- Electricity Cost CalculatorFree electricity cost calculator: enter watts, hours of use and your price per kWh to see what an appliance costs to run per day, month and year.
- GPA CalculatorFree GPA calculator for college and high school: semester and cumulative GPA on a 4.0 scale with +/- grades, credits, Honors or AP weighting and final grades.
- Work HoursFree hours calculator: add up hours worked per week from clock-in and clock-out times minus unpaid breaks, with night shifts, overtime, decimal hours and pay.
- Loan CalculatorFree loan calculator: work out the monthly payment, total interest and payoff date for any loan, see the amortization schedule and test extra payments.
- Mortgage CalculatorFree mortgage calculator: estimate your monthly payment with property tax, home insurance, PMI and HOA, see the breakdown and the full amortization schedule.
- Compound InterestFree compound interest calculator: see how savings grow from an initial deposit, monthly contributions and rate, compounded daily to yearly, with a chart.
- Number to WordsFree number to words converter: spell out numbers up to quadrillions as cardinal or ordinal words, check amounts and years, in English and 6 more languages.
- Paper SizesA4 is 210 × 297 mm (8.27 × 11.69 in).
- Percentage CalculatorFree percentage calculator: what is X% of Y, what percent X is of Y, percent increase or decrease and reverse percentages, worked out as you type.
- Discount CalculatorFree discount calculator: find the sale price and how much you save with percent off, stacked extra discounts and coupons, like 20% off $80.
- Margin CalculatorFree profit margin calculator: enter cost and price to get gross margin, markup and profit, or find the selling price for a target margin or markup.
- VAT & Sales TaxFree VAT and sales tax calculator: add or remove tax from any price and see net, tax and gross at once, with common rates for the UK, EU, US states and Canada.
- Roman NumeralsFree Roman numeral converter: turn numbers, years and dates into Roman numerals and back, up to 3,999,999 with overline.
- Salary CalculatorFree salary calculator: convert hourly to salary and back, per hour, day, week, two weeks, month and year with your own hours, plus overtime and raise.
- Tip CalculatorFree tip calculator: work out the tip, the total and each person’s share.
- Split BillFree bill splitter: split a restaurant bill by item, assign dishes to people, share the rest evenly, add tax and tip, copy who owes what.
- Unit ConverterFree unit converter for length, weight, temperature, volume, area, speed, data, pressure, energy and more, like cm to inches or kg to lbs.
Everyday 36
- Barcode GeneratorFree barcode generator for EAN-13, UPC-A, Code 128, Code 39 and ITF-14 with check digits.
- Breathing ExerciseGuided breathing in your browser: 4-7-8 for sleep, box breathing for focus, coherent breathing and the physiological sigh.
- CalendarFree printable 2026 and 2027 calendar: yearly or monthly, week numbers, Monday or Sunday start, 7 languages.
- Decibel MeterFree online decibel meter: measure noise in dB(A) with your microphone, with min, max, average and Leq, a live graph and a CSV log.
- FlashcardsMake flashcards online for free: build decks, import from CSV or Quizlet and study with flip cards, spaced repetition, typing, quizzes and audio.
- Invoice GeneratorFree invoice generator: create a professional invoice with your logo, line items, tax and discounts in any currency, then download a PDF or print.
- Keyboard TesterFree online keyboard tester: press keys to see them light up, find dead or stuck keys, check rollover and ghosting, read key codes.
- Mouse TestMouse test for every button, back and forward included: catch unwanted double clicks, check the scroll wheel and drag, and estimate the polling rate.
- Cooking ConverterHow many grams in a cup?
- Bubble LevelUse your phone as a free bubble level: a round level lying flat, a tube level on its edge, tilt to 0.1°, slope in percent, zeroing and hold.
- CompassA compass in your browser: heading in degrees and direction from your phone’s sensor, with true north from the WMM2025 magnetic model.
- AltimeterSee your current altitude from your phone’s GPS, with vertical accuracy, lowest and highest point and total climb, in meters or feet.
- Lottery NumbersRandom numbers for Powerball, Mega Millions, EuroMillions, Lotto 6aus49 and 30 more games.
- Pace CalculatorFree pace calculator: find your running pace per mile or km from distance and time, or your finish time from a target pace, from 5K to marathon, with splits.
- Printable PaperFree printable paper: graph paper, lined, dot grid, isometric, hex, music staff, Cornell notes and calligraphy sheets.
- WongojiPrint Korean manuscript paper (wongoji) with 200 or 400 squares, or type text and see it laid out by the standard rules.
- Random PickerPaste a list of names and pick a random winner, or draw several.
- Spin the WheelSpin the wheel to pick a random name or option: add entries, spin with a tap or flick for a fair winner.
- Random NumberFree random number generator: pick a number between any min and max, like 1 to 10 or 1 to 100, draw several, unique or with repeats, sorted or not.
- Dice RollerRoll dice online for free: 1 to 10 virtual dice from d4 to d100, with every value and the total.
- Coin FlipFlip a coin online for heads or tails: tap to toss a 3D coin.
- Team GeneratorSplit a list of names into random teams for free: choose the number of teams or people per team and get balanced, shuffled groups to copy.
- Pregnancy CalculatorHow many weeks pregnant am I?
- Due Date CalculatorWhen is my baby due?
- Ovulation CalculatorWhen do I ovulate?
- QR CodeFree QR code generator for links, text, Wi-Fi, contacts, email, SMS and locations.
- Online RulerFree online ruler at real size on your screen.
- ScoreboardFree online scoreboard for 2 to 8 teams with big tap areas, game clock, shot clock, periods and buzzer.
- Chess ClockFree online chess clock for two players: Fischer increment, Bronstein and simple delay, bullet to classical presets, move counter and flag alert.
- CounterFree online click counter with a big tap button: count up and down, set a step and a target alert, keep several named counters with totals.
- Size ConverterFree size converter: shoe, clothing, jeans, ring, bra and hat sizes between US, UK, EU, Japan, Korea and more, with size charts for men, women and kids.
- Sleep CalculatorWhat time should I go to bed?
- Speed TestFree internet speed test: check your download and upload speed in Mbps plus ping and jitter in ms, measured to the nearest Cloudflare server.
- To-Do ListWrite a to-do list and check tasks off, with due dates, priorities, tags, subtasks and repeating tasks.
- Kanban BoardMove cards across To do, Doing and Done or your own columns, with WIP limits, due dates and checklists.
- Zodiac SignWhat’s my zodiac sign?
Text 18
- Citation GeneratorCreate citations in APA 7, MLA 9, Chicago, Harvard and IEEE for books, articles, websites and videos.
- Remove DuplicatesRemove duplicate lines from a list or text in one go.
- Sort LinesSort lines in alphabetical order, A to Z or Z to A: alphabetize a list of names, sort numbers naturally or by length, reverse or shuffle lines.
- Remove SpacesRemove extra spaces and line breaks for free: collapse double spaces, delete empty lines and invisible characters, trim lines, join lines or convert tabs.
- Fancy TextType once and copy cool fonts in 38 Unicode styles: bold, italic, cursive, gothic, bubble, small caps and upside down.
- Lorem IpsumGenerate Lorem ipsum placeholder text or readable dummy text in 8 languages as paragraphs, sentences, words or list items, plain or with HTML tags.
- Morse CodeConvert text to Morse code and Morse code to English as you type.
- NotepadA free online notepad that autosaves as you type and keeps notes on this device.
- SymbolsCopy and paste 1,500+ special characters and text symbols for free: arrows, check marks, stars, hearts, currency, math, Greek, fractions and more, searchable.
- EmojiCopy and paste any emoji up to Emoji 15.0 for free: search the full emoji list by keyword, pick skin tones and copy several at once.
- KaomojiCopy and paste 450+ kaomoji and text emoticons for free: happy, love, sad, angry, shrug ¯\_(ツ)_/¯, table flip, cats and bears.
- Blank CharactersCopy blank and invisible characters for free, like the Hangul Filler ㅤ, Braille blank and zero-width space.
- Case ConverterConvert uppercase to lowercase and back, or to Title Case, Sentence case, camelCase and snake_case as you type.
- Text RepeaterRepeat a word, sentence or emoji up to a million times, with spaces, new lines or numbering.
- TransliterationTransliterate Russian Cyrillic to Latin (ISO 9, GOST, ICAO passport), Japanese kana to romaji, Korean and Greek to Latin, and remove accents.
- Typing TestFree typing speed test: type common words for 15 to 120 seconds or 25 to 100 words and get your net WPM, accuracy, consistency and a speed graph.
- Username GeneratorFree username ideas in 5 styles: cool, cute, gaming, pro and fantasy.
- Word CounterCount words and characters as you type, with and without spaces, plus sentences, paragraphs and reading time.
Developer 25
- Code FormatterFormat code online with Prettier: a free HTML, CSS and JavaScript beautifier and SQL formatter in one, plus TypeScript, JSON, XML, YAML and a CSS minifier.
- Color PickerFree online color picker: pick or paste any color and get HEX, RGB, HSL, HSV, CMYK and OKLCH codes, plus tints, shades and harmony palettes.
- Contrast CheckerFree color contrast checker: test text and background colors against WCAG 2.1 AA and AAA, see the contrast ratio live and get the nearest passing color.
- Cron GeneratorBuild or paste a cron expression and read it in plain English.
- CSS GeneratorFree CSS generator with live preview: make a CSS gradient, box shadow, border radius, glassmorphism or clip-path, try flexbox and grid, then copy the code.
- Data ConverterConvert JSON to YAML, YAML to JSON, XML to JSON or CSV to JSON online, plus TOML, .env, INI and query strings.
- Diagram MakerFree Mermaid live editor: type text and get a flowchart, sequence diagram, ER diagram, Gantt chart, mind map or timeline as you write.
- Diff CheckerCompare two texts or files and see every difference side by side or inline, by line, word or character.
- Text ComparePaste two versions of a text and see exactly which words changed, highlighted inline.
- Encoder / DecoderBase64 encode and decode online for free, plus URL encode and decode, text to hex or binary, Base32, HTML entities, Unicode escapes and Punycode as you type.
- Fake Data GeneratorGenerate fake data for testing, free: realistic names, emails, addresses, phone numbers, UUIDs and test cards as mock JSON, CSV or SQL.
- Hash GeneratorGenerate an MD5, SHA-256 or SHA-512 hash of text or files online, plus SHA-1, SHA-3, BLAKE3 and CRC32.
- JSON FormatterFormat and validate JSON online for free: beautify messy JSON, find errors by line and column, minify it, browse a JSON viewer tree or convert JSON to CSV.
- JWT DecoderDecode a JWT token online for free to read its header, payload and expiry, verify the HS256, RS256 or ES256 signature, or generate a new signed JSON Web Token.
- Base ConverterFree number base converter: convert binary to decimal, decimal to hex, octal and any base 2–36, even huge values and fractions.
- Password GeneratorGenerate a strong random password, a passphrase or a PIN for free with your browser’s secure generator: 4–128 characters, symbols on or off.
- Code PlaygroundFree online HTML, CSS and JavaScript editor with live preview: write code, see the page update as you type and read console logs and errors.
- README EditorWrite README.md files with a live GitHub-style preview, table of contents, task lists and tables.
- Markdown to HTMLConvert Markdown to clean, sanitized HTML with GitHub tables, task lists, code blocks and heading anchors.
- Regex TesterTest regex online for free: this regular expression tester highlights JavaScript regex matches as you type, lists capture and named groups and previews replace.
- SEO ToolsFree SEO tools: preview your Google result with pixel limits, check title and meta description length, generate meta and Open Graph tags, test robots.txt.
- Subnet CalculatorFree subnet calculator for IPv4 and IPv6: enter an IP and CIDR to get the subnet mask, network, broadcast and host range, then split or summarize subnets.
- Unix TimestampFree Unix timestamp converter: timestamp to date and date to epoch time.
- UTM BuilderCreate UTM links for Google Analytics: this free campaign URL builder adds UTM parameters to one link or a list, parses URLs and strips fbclid and gclid.
- UUID GeneratorGenerate UUIDs online for free: random UUID v4 or time-ordered UUID v7, also as GUIDs, 1 to 1,000 at once.
Files & images 11
- CSV & Excel ViewerOpen a CSV file online and edit it like a spreadsheet: this free CSV viewer also opens Excel XLSX, XLS and ODS, sorts, filters and exports to Excel or JSON.
- DOCX ConverterOpen Word .docx files online without Word, count the words and convert DOCX to PDF, HTML, Markdown or plain text with images and tables.
- Favicon GeneratorFree favicon generator: make a full favicon set from text, emoji or your logo, with favicon.ico, PNG, SVG, Apple touch and Android icons and HTML.
- Image EditorFree online image editor: resize images, crop, rotate, convert and compress JPG, PNG, WebP and AVIF, many files at once.
- Image CompressorFree image compressor: reduce image file size of JPG, PNG and WebP by up to 80% with a quality slider and before/after view.
- EXIF ViewerFree EXIF viewer: see a photo’s camera, lens, settings, date and GPS location, then remove EXIF metadata losslessly before sharing.
- Meme GeneratorFree meme generator: make a meme from your own picture or a blank canvas with top and bottom text, text boxes, emoji and caption bars.
- Image to Text (OCR)Free image to text converter: extract text from images, screenshots and PDF pages with OCR in 8 languages.
- PDF ToolsFree PDF tools in your browser: merge PDF, split, compress, rotate, reorder and delete pages, JPG to PDF, PDF to JPG, page numbers and watermarks.
- Signature MakerFree online signature generator: draw your signature with mouse, finger or stylus, or type your name to make an e-signature.
- SVG ToolsConvert SVG to PNG, JPG or WebP at any size, convert PNG to SVG by tracing it into vectors, optimize SVG files and edit SVG code.
Audio, video & devices 22
- Audio EditorFree online audio editor: cut and trim MP3, WAV, M4A, OGG or FLAC, fade, boost volume, change speed, reverse or join files, then save as MP3 or WAV.
- Background RemoverRemove the background from any photo with on-device AI and get a transparent PNG or a new background color.
- Collage MakerFree photo collage maker: put 2 to 9 pictures into grid or mosaic layouts, drag to swap, zoom each photo, add a caption and save JPG or PNG up to 4K.
- Device TestTest your microphone, webcam, speakers and screen online in one place: live mic level, camera resolution and fps, left/right sound and a dead pixel check.
- Mic TestFree online mic test: check if your microphone works with a live level meter, waveform and spectrum, pick a mic, record 5 seconds and play it back.
- Webcam TestFree online webcam test: check your camera with a live preview, real resolution and measured frame rate, switch cameras and save a snapshot.
- Speaker TestFree speaker test for speakers and headphones: left, right and center sound, stereo phase check, tone generator and a 20 Hz–20 kHz frequency sweep.
- Dead Pixel TestFree dead pixel test: find dead and stuck pixels, backlight bleed and color banding with full-screen solid colors, gradients and pixel grids.
- Screen TestFree burn-in test with full-screen colors to spot burn-in, image retention and backlight bleed.
- Image Color PickerFree image color picker: pick any color from an image with a zoom loupe and copy its HEX, RGB or HSL code.
- MetronomeFree online metronome from 20 to 300 BPM: drag the dial or tap the tempo, choose the time signature, accents, subdivisions and sounds, and speed up bar by bar.
- TunerFree chromatic tuner online: shows the note, cents and frequency from your mic.
- BPM FinderFree BPM finder: drop an MP3, WAV or other audio file to detect its tempo, then check it with a click track, or tap along to count BPM by hand.
- White NoiseMix white, pink and brown noise with rain, ocean, fan, vacuum and café sounds.
- Passport Photo MakerFree passport photo maker: pick a country and the head is sized and centered on a white background.
- Pixel ArtFree pixel art maker: draw pixel art online with pencil, fill, shapes, mirror, layers and animation frames with onion skin.
- Screen RecorderFree online screen recorder: record your screen, a window or tab with mic and system audio, add a webcam bubble and save WebM or MP4.
- Voice RecorderFree online voice recorder: record audio from any microphone, pause and resume, trim the start and end, then save MP3 or WAV.
- Text to SpeechPaste text and hear it read aloud by your device’s voices in dozens of languages.
- Video ToolsFree video to GIF converter: make a GIF from MP4, WebM or MOV, trim or resize a clip, mute a video, or save frames as images.
- WatermarkFree watermark maker: add a text or logo watermark to many photos at once.
- WhiteboardFree online whiteboard: infinite canvas, pressure pen, shapes, arrows, text and images.
Games & tests 11
- GomokuPlay Gomoku (five in a row) free against a computer with three levels or with a friend on one device.
- MinesweeperPlay classic minesweeper online for free: beginner, intermediate, expert or custom boards, a safe first click, flags, chording and best times.
- Reaction Time TestFree reaction time test: wait for the color change and tap.
- CPS TestFree CPS test: click or press Space as fast as you can for 1, 3, 5, 10, 30 or 60 seconds and see your clicks per second, peak speed, a chart and your best.
- Aim TestFree aim trainer in your browser: hit 30 targets, score as many as you can in 60 seconds or try precision mode with small targets.
- SnakePlay the classic snake game online for free: walls or no walls, four speeds, an accelerating mode, smooth movement and high scores.
- SolitairePlay classic Klondike solitaire online for free: draw 1 or draw 3, Vegas scoring, winnable deals, unlimited undo, hints and auto-complete.
- FreeCellPlay FreeCell solitaire online for free: classic numbered deals #1 to #1,000,000, correct supermove limits, unlimited undo, hints and auto-complete.
- Spider SolitairePlay Spider solitaire online for free with 1, 2 or 4 suits: two decks, ten columns, build runs from King to Ace.
- SudokuPlay free sudoku online: puzzles with a unique solution from easy to expert, a daily sudoku, notes, hints and undo.
- Tic Tac ToePlay tic tac toe online for free against an easy, medium or unbeatable computer, or with a friend on the same device.
Private by default
- Runs in your browser
Text, files and photos are processed on your device. Nothing is uploaded.
- No account
Open a tool and use it. No sign-up, no email, no usage limits.
- Made for every screen
Phone, tablet or desktop, light or dark, in eight languages.
Questions
Is Utiluse free?
Yes. Every tool is free to use with no account and no limits. The sites are supported by ads.
Are my files or text uploaded?
No. The tools run inside your browser. PDFs, images, text and passwords are processed on your device and are never sent to our servers.
Do I need to install anything?
No. Open a tool and use it. Most tools also keep working if your connection drops after the page has loaded.
Which languages are supported?
English, Spanish, Portuguese, French, German, Japanese, Russian and Korean. Use the globe button at the top to switch.
Can I put a tool on my own website?
Yes. Press Share under any tool and open the Embed tab to copy the code. Embeds are free and show a small Utiluse link.
Does it work on my phone?
Yes. Every tool is designed for phones first and works on tablets and desktops too, in light and dark mode.