Common Tools

A handful of small tools that do not belong to any other family: find your IP address, convert Unix timestamps, count words in a text, and build cron expressions.

Text

Word Counter Free word counter: count words, characters, sentences and paragraphs as you type, with reading and speaking time. Works in any language, nothing is uploaded.
Character Counter Free character counter: characters with and without spaces, words, lines, size in bytes and how many SMS messages your text takes, updated as you type.
Word Counter & Text Analyser Analyse any text in the browser: character, word, line, sentence and paragraph counts, an estimated reading time, and a ranking of the most repeated words.
Case Converter Free case converter. Change text to UPPERCASE, lowercase, Sentence case or Capitalized Case, or to camelCase, snake_case and kebab-case for code, in any language, right in your browser.
Font Generator: Fancy Text Free fancy text generator: turn your text into bold, script, gothic, bubble and 22 other styles to copy and paste into Instagram, TikTok or WhatsApp.
Upside Down Text Generator Free upside down text generator: flip your text upside down (ʇxǝʇ), write it mirrored or backwards, and copy it to Instagram, WhatsApp or any app.
Small Text Generator Free small text generator: turn your text into tiny letters (ᵗᶦⁿʸ), subscript (ₜₑₓₜ) and small caps (ꜱᴍᴀʟʟ) to copy into bios, posts, names and chats.
Emoji Copy and Paste Copy and paste emojis: all smileys, people, animals, food, travel, objects, symbols and flags, with search in your language and skin tones. One click to copy.
Invisible Character (Copy & Paste) Copy an invisible character (blank space) for empty names, nicknames and messages, see which blank characters exist, and find hidden characters in any text.
Morse Code Translator Free Morse code translator: convert text to Morse and Morse to text, play it as sound or light, adjust speed and Farnsworth spacing, and download it as WAV.
Text to Handwriting Free text to handwriting converter: turn typed text into realistic handwriting on lined, grid or old paper, with ink colour and natural variation. PDF or PNG.
Remove Duplicate Lines Free tool to remove duplicate lines from a list or text. It keeps the first occurrence and the original order, with options to ignore case and extra spaces, right in your browser.
Sort Lines Free tool to sort lines of text alphabetically, in natural number order, by length, in reverse or at random, with accented letters in the right place, right in your browser.
Remove Line Breaks Free tool to remove line breaks from text copied from a PDF or an email. Join the lines of each paragraph or put everything on one line, right in your browser.
Number to Words Converter Write any number or amount in words for cheques, receipts and invoices, in 18 languages with the right currency: reais, pesos, euros, rupiah, baht, dollars…
Online Notepad Free online notepad. Write notes in your browser; they are saved as you type and are still here when you come back. Nothing is uploaded, and you can download a .txt file at any time.
Markdown Editor Free online Markdown editor with live preview: tables, task lists and code, word count, and export to HTML, PDF or Word. Your text stays in your browser.
Markdown to HTML Converter Convert Markdown to clean HTML code with GitHub-style tables, task lists and code blocks, as a fragment or a full styled page, with a live preview.
HTML to Markdown Converter Convert HTML to Markdown: paste HTML code or copy text from a web page, Word or Google Docs, and get clean Markdown with headings, lists, links and tables.
Markdown to Word Converter Convert Markdown to a Word document (.docx) with real heading styles, numbered lists, tables and links, ready to edit in Word, Google Docs or LibreOffice.
Typing Test Free typing speed test: measure your words per minute (WPM) and accuracy in 15, 30, 60 or 120 seconds, with common words in 24 languages.

Device tests

What Is My Screen Resolution? What is my screen resolution? See your display resolution in real pixels, the scaling, window size, aspect ratio, refresh rate and PPI of your screen. Free.
Refresh Rate Test (Hz) Free refresh rate test: check how many hertz your monitor or phone runs at (60, 120, 144, 240 Hz) in your browser, with a moving ball to see the smoothness.
Dead Pixel Test Free dead pixel test: fill the screen with pure colours to find dead, stuck or hot pixels and backlight bleed on monitors, laptops, TVs and phones.
Stuck Pixel Fixer Free stuck pixel fixer: flash rapidly changing colours over a stuck pixel to try to bring it back to life. Works on monitors, laptops and phones, no install.
Keyboard Test Test every key of your keyboard online: press the keys and watch them light up, check rollover and ghosting, and see the code of each key, on any layout.
Mouse Test Free mouse test: check every button, the scroll wheel and the polling rate, and detect a faulty switch that double-clicks by itself. Works in the browser.
Click Speed Test (CPS) Measure how many clicks per second you can make in 1, 5, 10, 30 or 60 seconds, with your mouse, touchscreen or spacebar, and beat your personal best.
Reaction Time Test Free reaction time test: click as soon as the screen turns green and measure your reflexes in milliseconds over 5 tries, with average, median and best time.
Webcam Test Test your webcam online for free: see the live image, the real resolution, aspect ratio and frame rate, switch cameras and take a photo, all in your browser.
Microphone Test Test your microphone online for free: see the input level in real time, record 5 seconds and listen back, and switch microphones, without installing anything.
Decibel Metre Free decibel metre: measure the noise level around you with your phone or computer microphone, in dB(A), with minimum, maximum, average and a live graph.
Online Ruler (Actual Size) Free online ruler in actual size: measure in centimetres, millimetres and inches on your screen, calibrated with a credit card or your screen size.
Tap Tempo – BPM Counter Free tap tempo: tap a button or any key to the beat and get the BPM of a song, with tempo marking and delay times for music production.

Games

Sudoku Play free Sudoku online: new puzzles with a unique solution in four levels, from easy to expert, with pencil notes, hints, error check and a timer.
Sudoku Solver Sudoku solver: type or paste any puzzle and get the solution instantly, and find out if it has no solution or more than one. Also rates its difficulty.
Minesweeper Play classic Minesweeper free in your browser: beginner, intermediate and expert boards, a safe first click, flags, chording and your best times.
2048 Game Play 2048 free online: slide the tiles with the arrow keys or by swiping, join equal numbers to reach 2048, undo a move and beat your best score.
Solitaire Play Klondike Solitaire free: draw one or three cards, drag or tap to move, undo, automatic finish and a timer, on computer or phone.

Word games

Word Unscrambler Unscramble letters into English words: every word you can make from your letters, with blank tiles, filters, Scrabble points and common words first.
Anagram Solver Anagram solver for English words: find every anagram that uses all your letters, plus the shorter words hidden in them. Supports ? as a blank.
Scrabble Word Finder Scrabble word finder: enter your rack, up to two blanks, and see the highest-scoring English words you can play, with starts, ends and contains filters.
Wordle Solver Wordle solver: type your guesses, tap each letter to set green, yellow or gray and get every possible answer, ranked by the best next guess. Free.
5 Letter Words Every 5 letter English word, common ones first: filter by known letters in place, letters to include or exclude, start and end. Great for Wordle.
Words That Start With Find English words that start with any letters, such as qu or pre: filter by length, letters to include or exclude, and see common words first.
Words That End With Find English words that end with any letters, such as ght, ing or tion: filter by length and letters, and see common words first, grouped by length.
Words Containing Find English words containing a sequence of letters, such as ph or ough, anywhere in the word: filter by length, start, end and excluded letters.
Words With These Letters Find English words that include all the letters you choose, in any order and position, such as q and z: filter by length and letters to exclude.
Rhyme Finder Find words that rhyme with any English word: perfect and near rhymes grouped by syllables, common words first, from the CMU pronouncing dictionary.
Syllable Counter Count the syllables in English words, lines and whole texts: syllables per line and per word from the CMU pronouncing dictionary, free and private.
Haiku Syllable Checker Check if your haiku has 5, 7 and 5 syllables: type three lines in English and see the syllable count of each line and each word, as you type.

Time

Stopwatch Free online stopwatch with lap times, hundredths of a second and full screen. It keeps exact time in a background tab and even after you reload the page.
Online Timer Free online countdown timer with alarm: set hours, minutes and seconds or pick a preset. The alarm rings on time even in a background tab. No sign-up.
Pomodoro Timer Free online Pomodoro timer: 25 minutes of focus, 5-minute breaks and a long break every four sessions, with an alarm, a session counter and custom times.
Countdown to a Date Free online countdown: how many days until Christmas, New Year, Easter, Ramadan or any date you choose. Live timer, shareable link and calendar file.
Time Zone Converter Convert time between time zones and cities worldwide, with daylight saving time handled automatically. Compare several cities and plan meetings.
World Clock Free world clock: the current time in cities around the world, with analogue clocks, time differences and daylight saving time. Full screen and shareable.
Online Alarm Clock Free online alarm clock: set alarms with repeat days, snooze and four alarm sounds. It rings even when the tab is in the background. No app to install.

Sizes

Shoe Size Converter Convert shoe sizes between Brazil, Europe, US, UK, Japan, Mexico, Korea and China for adults and kids, from your foot length or the size you already wear.
Ring Size Converter and Chart (US, UK, EU, Japan, India) Convert ring sizes between US, UK, Europe (ISO), Japan, India, Italy and Switzerland, or find your size from the diameter or circumference in mm.
Bra Size Calculator and Converter Find your bra size from your underbust and bust measurements and convert it between EU, UK, US, French, Italian, Australian and Japanese sizes.

Cooking

Cups to Grams Converter Convert cups to grams for flour, sugar, butter, rice, milk and 30 more ingredients, with US, metric and Japanese cups, tablespoons and teaspoons.

Calendars

Printable Calendar Free printable calendar with your country's public holidays: the whole year on one page or one month per page, A4 or Letter, ready to print as a PDF file.
Chinese Lunar Calendar Converter Convert dates between the Gregorian and the Chinese lunar calendar (农历), with leap months, zodiac animal, month calendar and festivals, 1900 to 2100.
Moon Phase Calculator See the moon phase for any date from 1900 to 2100: illumination, moon age, the next full and new moons and a monthly moon calendar in your time zone.
Zodiac Sign Calculator Find your zodiac sign from your date of birth, with the exact time the Sun changed sign if you were born on the cusp, plus element and modality.
Hijri Calendar Converter Convert dates between the Gregorian and the Islamic (Hijri) calendar with the official Umm al-Qura table: Ramadan, Eid dates and your age in Hijri years.
Calendar Era Converter Convert dates and years between the Gregorian calendar and the Japanese eras, Thai Buddhist Era, Minguo, Korean Dangi and Saka, with an age and zodiac chart.
Japanese Era Converter (Wareki) Convert Japanese era years (Reiwa, Heisei, Shōwa, Taishō, Meiji) to Western years and back, with the exact era change dates and an age chart with 干支.
Thai Buddhist Era Converter (B.E. to A.D.) Convert Thai Buddhist Era years (B.E., พ.ศ.) to A.D. and back: B.E. = A.D. + 543. Includes the old 1 April new year rule and an age and zodiac chart.
Minguo Calendar Converter (ROC Year) Convert Taiwan's Minguo years (民國) to Western years and back: Minguo = AD − 1911, including the years before 1912 (民國前), with an age and zodiac chart.
Indian National Calendar Converter (Saka) Convert dates between the Gregorian calendar and India's national Saka calendar (Chaitra to Phalguna), in both directions, with leap years handled exactly.

Chinese

Chinese Number Converter Convert numbers to Chinese numerals: financial uppercase for cheques and invoices (大写金额), everyday characters, digit by digit, and back to digits.
Simplified ↔ Traditional Chinese Converter Convert Simplified Chinese to Traditional and back, with Taiwan and Hong Kong variants and vocabulary (软件 → 軟體). Free, in your browser, using OpenCC.
Chinese to Pinyin Converter Convert Chinese characters to pinyin with tone marks or numbers, above the characters or as text. Choose the reading of characters with several (多音字).
Chinese Zodiac Calculator Find your Chinese zodiac animal and element from your date of birth, using the real Chinese New Year date of each year from 1900 to 2099.

Wikipedia — IP address
Wikipedia — Unix time
Wikipedia — Word count
Wikipedia — Cron
Wikipedia — Utility software