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Fraction CalculatorAdd, subtract, multiply and divide fractions.
Word CounterCount words, characters and paragraphs.
Epoch ConverterConvert between Unix timestamps and readable dates.
Contrast CheckerCheck text and background contrast for accessibility.
Wheel SpinnerSpin a random name, number or choice.
2048Play the classic 2048 puzzle game.
Browse tools
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GPA CalculatorCalculate your GPA on the 4.0 scale: add courses with credits and letter grades (A to F, with plus/minus) and get your exact grade point average.
Online CalculatorA fast basic calculator for addition, subtraction, multiplication, division, percentages, decimals, negative numbers, and keyboard input.
Random Number GeneratorGenerate truly random numbers in any range — one or many, with or without duplicates, sorted or shuffled. Uses your browser's cryptographic randomness.
Unit ConverterConvert length, weight, temperature, volume, area, and speed in one place instead of opening separate direction-specific pages.
Average CalculatorPaste a list of numbers and instantly get the mean, median, mode, range, sum, min, and max. Learn which average to use and when.
Fraction CalculatorAdd, subtract, multiply, and divide fractions with automatically simplified answers, mixed numbers, and decimal equivalents. Step-by-step rules included.
Grade CalculatorWork out your weighted course grade from assignments and exams, or calculate exactly what score you need on the final to hit your target grade.
Standard Deviation CalculatorCompute sample and population standard deviation, variance, and mean from any list of numbers — with the formulas and when to use each version.
Copyable Text StylesPreview bold, italic, cursive, gothic, bubble, underline, strikethrough, vaporwave, and decorative Unicode styles in one place.
Symbol & Character LibraryBrowse hearts, stars, arrows, checks, bullets, currency, music, math, and other copy-ready symbols in one library.
Word CounterCount words, characters (with and without spaces), sentences, and paragraphs as you type — plus estimated reading and speaking time. Free and private.
Aesthetic SymbolsSoft aesthetic symbols to copy and paste: bows ୨୧, sparkles ✧ ₊˚, flowers ✿ ❀, dividers, borders and bio decorations for Instagram, TikTok, and Discord.
KaomojiCute kaomoji to copy and paste: happy (≧▽≦), sad (╥_╥), love (♡°▽°♡), angry (╯°□°）╯︵ ┻━┻, animals ʕ•ᴥ•ʔ and more Japanese emoticons.
Lenny FaceThe Lenny face ( ͡° ͜ʖ ͡°) and every variant to copy and paste: winking, flexing, sunglasses, crying, and the whole smug family.
Age CalculatorCalculate your exact age in years, months, and days from your date of birth — plus total weeks, days, hours, and a countdown to your next birthday.
Date CalculatorCount the exact days, weeks, months, and years between two dates, or add and subtract days from any date to find a deadline. Fast, free, and precise.
Hours CalculatorCalculate hours worked between a start and end time, minus breaks — including overnight shifts. Results in hours:minutes and decimal hours for timesheets.
Time CalculatorAdd or subtract times in hours, minutes, and seconds without base-60 headaches. Get results as h:m:s and as decimal hours, minutes, or seconds.
Epoch ConverterConvert Unix timestamps (seconds or milliseconds, auto-detected) to human-readable dates in local time, UTC, and ISO 8601 — and dates back to epoch. Live current timestamp.
JSON FormatterFormat, validate, and minify JSON in your browser: pretty-print with your preferred indent, get exact error line and column, copy the result. Nothing is uploaded.
Password GeneratorGenerate strong random passwords with custom length and character sets. Cryptographically secure, generated entirely in your browser — nothing is ever sent anywhere.
Base64 Encode/DecodeEncode text to Base64 and decode Base64 to text, with full Unicode/UTF-8 support — emoji and Chinese included. Live, private, in-browser.
Case ConverterConvert text between 10 cases live: UPPER, lower, Title, Sentence, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and aLtErNaTiNg.
Hash GeneratorGenerate MD5, SHA-1, SHA-256, and SHA-512 hashes of any text instantly in your browser. With honest guidance on which hashes are still safe to use.
Lorem IpsumGenerate lorem ipsum placeholder text: choose paragraphs and words per paragraph, start with the classic opening, copy in one click.
Slug GeneratorTurn any title into a clean URL slug: lowercase, hyphens, accents stripped (Crème → creme). Live conversion with one-click copy.
URL Encode/DecodeURL-encode and decode text live: spaces, unicode, and special characters to percent-encoding and back. Understand %20 vs + and encodeURIComponent.
UUID GeneratorGenerate cryptographically random UUID v4 identifiers — one or up to 100 at once, copy-ready. Learn the format and collision math.
AllPic Image WorkspaceOpen the complete AllPic workspace for browser-local image editing, privacy cleanup, documents, workflows, and local AI tools.External tool
Color PickerPick a color and view HEX, RGB, and HSL together, then copy the value you need.
Color Shade LibraryBrowse named colors and complete ramps for blue, red, green, purple, pink, orange, yellow, and gray.
Compress ImageReduce JPG, PNG, and WebP file size, compare the output, and keep every image inside the browser.External tool
Contrast CheckerCheck text and background colors against WCAG AA and AAA with the exact contrast ratio.
Convert ImageConvert one or many images between JPG, PNG, WebP, HEIC, and HEIF in the browser.External tool
Gradient GeneratorAdjust colors, direction, and angle, preview the gradient, and copy production-ready CSS.
HEX to RGBEnter HEX or RGB and convert it to HEX, RGB, and HSL with a live color preview.
OCR Image to TextEnhance document images, recognize text locally, repair common OCR artifacts, and export a clean TXT draft.External tool
Palette GeneratorBuild complementary, analogous, triadic, split-complementary, tetradic, and monochrome palettes from one color.
Redact ScreenshotPermanently cover names, tokens, account details, and other sensitive areas before sharing a screenshot.External tool
Resize ImageResize one or many images by width while preserving aspect ratio and export locally.External tool
Crop ImageChoose a freeform or preset crop area, preview it, and export the selected frame locally.External tool
Image to PDFArrange one or more images and export them together as a PDF without uploading the source files.External tool
Remove EXIFStrip camera, device, and location metadata by re-encoding images locally before sharing.External tool
Compound Interest CalculatorSee how your money grows with compound interest. Set an initial amount, monthly contributions, interest rate, and time — get the future value and a year-by-year table.
Loan CalculatorFree loan calculator: get your exact monthly payment (EMI), total interest cost, and a year-by-year amortization schedule for any loan amount, rate, and term.
Mortgage CalculatorEstimate your monthly mortgage payment including principal, interest, property taxes, home insurance, and HOA fees. See total interest over the life of the loan.
Percentage CalculatorSolve any percentage problem instantly: what is X% of Y, X is what percent of Y, and percentage increase or decrease between two numbers. With formulas and examples.
Salary to Hourly CalculatorConvert an hourly wage to annual salary or an annual salary to an hourly rate. See weekly, bi-weekly, and monthly equivalents based on your real hours.
Discount CalculatorCalculate the final price after a percent-off discount — including stacked discounts like an extra 20% off already-reduced items. See exactly how much you save.
Sales Tax CalculatorAdd sales tax, VAT, or GST to a price — or extract the tax from a tax-inclusive total. Works with any rate and shows the exact tax amount.
Tip CalculatorCalculate the tip, total bill, and per-person share in seconds. Pick a tip percentage, enter the number of people, and split the bill fairly.
BMI CalculatorCalculate your BMI instantly in kg/cm or lb/ft-in. See your weight category and the healthy weight range for your height, with WHO classification tables.
Calorie CalculatorFind your daily calorie needs (TDEE) with the Mifflin-St Jeor equation. Get targets for weight loss, maintenance, and muscle gain based on your activity level.
Pregnancy Due Date CalculatorCalculate your estimated due date from your last period, conception date, or IVF transfer. See how many weeks pregnant you are and your current trimester.
BMR CalculatorCalculate your basal metabolic rate with both the Mifflin-St Jeor and Harris-Benedict equations — the calories your body burns at complete rest.
Body Fat CalculatorEstimate your body fat percentage with just a tape measure using the U.S. Navy circumference method. Includes category ranges for men and women.
Ideal Weight CalculatorFind your ideal body weight by height and sex using four medical formulas (Devine, Robinson, Miller, Hamwi) plus the healthy BMI range.
Online StopwatchTrack elapsed time and lap records to the hundredth of a second.
Online TimerSet a custom countdown with a clear alarm, fullscreen view, and reliable browser controls.
Pomodoro TimerRun repeatable focus, short-break, and long-break cycles with automatic phase changes.
Preset TimersStart a common 1, 2, 3, 5, 10, 15, 20, 30, 45, or 60 minute countdown without setting it manually.
Coin FlipFlip a virtual coin with true 50/50 odds and a satisfying 3D animation. Session counter tracks heads vs tails. Free, instant, no app.
Wheel SpinnerPaste choices and spin a fair random picker wheel.
Yes or No WheelCan't decide? Spin the yes/no wheel and let fair randomness answer. Add a 'maybe', spin again, or switch to custom options — free decision wheel.
Dice RollerRoll up to 10 virtual dice with 4 to 20 sides — fair crypto randomness, instant totals. Perfect for board games, D&D, and classrooms.
Random Name PickerPaste a list of names and pick one or more winners at random — with a suspense animation and confetti. Perfect for giveaways, raffles, and classrooms.
Random Team GeneratorPaste names, choose team count, and split into balanced random teams instantly. Re-shuffle until happy — great for sports, class projects, and game night.
2048Slide the tiles, merge equal numbers, and build your way up to the legendary 2048 tile.
Memory MatchFlip the cards, find the pairs, and train your short-term memory.
MinesweeperThe legendary logic game: read the numbers, dodge the mines, clear the board.
SnakeThe timeless arcade classic: eat, grow, and don't bite your own tail.
Aim TrainerTest how fast and how accurately you can hit a moving target — pick 30 targets or 60 seconds and go.
Block PuzzleDrag pieces onto the 10×10 board and clear full rows and columns — no timer, pure strategy.
Brick BreakerBounce the ball, smash every brick, and keep the rally alive.
Bubble ShooterAim, bounce off the walls, and pop clusters of three or more matching bubbles before they reach the bottom.
Click Speed TestFind out how many times you can click in a set window — from a lightning 1 second to a marathon 60.
Endless RunnerJump, duck, and outrun an endlessly accelerating side-scroller — how far can you go before you crash?
Falling BlocksRotate and stack seven falling shapes, clear full lines, and keep up as the pace speeds up.
Four in a RowDrop your discs, line up four in a row before your opponent, and test an AI that thinks several moves ahead.
HangmanGuess the hidden word one letter at a time before the drawing is complete — six wrong guesses and it's over.
Mahjong SolitaireClear the layered tile pyramid by matching identical pairs — but only 'free' tiles can be taken.
Match 3Swap neighboring gems to line up three or more, chain cascades, and rack up combo bonuses before time or moves run out.
Number MemoryWatch a number, watch it disappear, then type it back from memory — one mistake ends the run.
Reaction Time TestMeasure your visual reaction speed in milliseconds — 5 rounds, instant results.
Sliding PuzzleSlide the numbered tiles into order — the classic 15-puzzle in three sizes.
SolitaireClassic Klondike solitaire: build the foundations by suit, clear the tableau, and beat your best time.
SudokuFresh, unique-solution puzzles in three difficulties — the world's favorite number game.
Tic-Tac-ToeThree in a row wins — play a friend, or try to outsmart a perfect AI.
Typing Speed TestMeasure your typing speed and accuracy in real time — pick 15, 30 or 60 seconds and watch your WPM climb.
Whack-a-Mole30 seconds, nine holes, endless moles — how fast are your reflexes?
Word GuessGuess the hidden five-letter word in six tries — unlimited rounds, no daily limit.
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