easyapplibrary_
Free games, tools and calculators that run in your browser
Easy App Library is a library of small, fast web apps: mini games you can start in one click, everyday tools like a password generator and JSON formatter, and calculators for savings, loans, percentages and more. No download, no install, no sign-up needed.
games> Top five games
See all games →Block Drop
Rotate and stack falling blocks to clear full lines before the stack reaches the top.
Four in a Row
Drop discs into the grid and line up four in a row against a thinking computer opponent.
Rock Paper Scissors
Pick rock, paper or scissors and play a best of series against the computer.
Hangman
Guess the hidden word one letter at a time before the drawing is finished.
Mole Smash
Hit every mole that pops up before it disappears. Thirty seconds on the clock.
tools> Top five tools
See all tools →Stopwatch & Timer
A stopwatch with laps and a countdown timer, switchable with one click.
Pomodoro Timer
Alternate focus sessions and breaks automatically, with adjustable lengths.
Dice Roller
Roll any combination of dice from d4 to d100, with totals and history.
List Sorter
Sort, deduplicate, trim, or shuffle a list of lines instantly.
Aspect Ratio Calculator
Scale width and height together at any ratio, with common presets.
calc> Top five calculators
See all calculators →Date Difference Calculator
Count the days between two dates, or add and subtract days from a date.
Inflation Calculator
Project future prices and the eroding purchasing power of cash.
Fuel Cost Calculator
Estimate how much fuel a trip needs and what it will cost.
Final Grade Calculator
Work out the score you need on the final to hit your target grade.
Unit Price Calculator
Compare products by price per unit to find the best value.
Everything in the library
80 apps and counting. Every one has its own page, works on mobile, and runs in your browser.
2048
Slide numbered tiles around a 4x4 grid and merge matching pairs until you reach 2048.
Snake
Guide the snake around the board, eat food to grow, and avoid running into the walls or yourself.
Memory Match
Flip cards two at a time and pair every match in the fewest moves you can manage.
Minesweeper
Use the number clues to work out where the mines are, and clear every safe square.
Word Guess
Six attempts to find the hidden five-letter word, with a color clue after every guess.
Tic-Tac-Toe
Play tic-tac-toe against the computer or a friend on the same device.
Breakout
Bounce the ball off your paddle to smash every brick without letting it past you.
Memory Sequence
Watch the color and sound sequence, then repeat it as it grows longer each round.
Typing Speed Test
Measure your words per minute and accuracy in a timed sixty-second test.
Sudoku
Fill the grid so every row, column and box contains the digits one to nine exactly once.
Password Generator
Generate strong random passwords with the length and character types you choose.
QR Code Generator
Turn a link, message or contact detail into a QR code you can download and print.
JSON Formatter
Paste JSON to pretty-print, minify or validate it, with the exact position of any error.
Base64 Encoder / Decoder
Convert text to Base64 and back, with full UTF-8 support.
Unit Converter
Convert length, weight, temperature, volume, area, speed and data sizes instantly.
Color Palette Generator
Pick a base color and build a matching five-color palette you can copy as hex.
Text Case Converter
Switch text between uppercase, lowercase, title, sentence, camel, snake and kebab case.
Word & Character Counter
Count words, characters, sentences, paragraphs and reading time as you type.
Timestamp Converter
Convert between Unix epoch time and readable dates, in seconds or milliseconds.
Random Picker
Paste a list of entries and pick one or more random winners instantly.
Standard Calculator
A clean everyday calculator with keyboard support and a running history.
Scientific Calculator
Trigonometry, logarithms, powers, roots and memory, in degrees or radians.
Savings Goal Calculator
Work out how much to put aside each month, or what your savings will grow to.
Compound Interest Calculator
See how an investment grows over time with compounding and regular contributions.
Loan Calculator
Work out monthly payments, total interest and the full repayment schedule.
Tip & Bill Split Calculator
Work out the tip, the total, and exactly what each person owes.
Percentage Calculator
Percent of a number, increase and decrease, and the difference between two values.
BMI Calculator
Calculate body mass index in metric or imperial units, with a healthy range for your height.
Age Calculator
Find your exact age, days until your next birthday, and the weekday you were born.
Currency Converter
Convert between world currencies using up-to-date exchange rates.
Block Drop
Rotate and stack falling blocks to clear full lines before the stack reaches the top.
Four in a Row
Drop discs into the grid and line up four in a row against a thinking computer opponent.
Rock Paper Scissors
Pick rock, paper or scissors and play a best of series against the computer.
Hangman
Guess the hidden word one letter at a time before the drawing is finished.
Mole Smash
Hit every mole that pops up before it disappears. Thirty seconds on the clock.
Sliding Puzzle
Slide numbered tiles into order on a 3x3 or 4x4 board, counting moves and time.
Lights Out
Toggle cells and their neighbors until the whole five by five grid is dark.
Reaction Time Test
Click the instant the screen turns green and see your reaction time in milliseconds.
Paddle Ball
Classic paddle game: return the ball past the computer to reach seven points first.
Aim Trainer
Click targets as they appear and measure your accuracy and speed over thirty seconds.
Lorem Ipsum Generator
Generate placeholder text by paragraph, sentence, or word and copy it instantly.
UUID Generator
Generate cryptographically random version 4 UUIDs, one at a time or in bulk.
URL Encoder / Decoder
Percent-encode or decode a URL and see its query parameters listed out.
Markdown to HTML
Write markdown, preview it live, and copy the generated HTML.
Hash Generator
See the SHA-1, SHA-256, SHA-384, and SHA-512 hash of any text update as you type.
Regex Tester
Test a regular expression against sample text with live highlighting and capture groups.
CSV to JSON Converter
Turn CSV data into clean JSON, with proper handling of quotes and delimiters.
HEX to RGB Converter
Convert colors between HEX, RGB, and HSL with a live preview swatch.
Random Number Generator
Pick random numbers in any range, with or without duplicates.
Diff Checker
Compare two texts line by line and see exactly what was added or removed.
Mortgage Calculator
Estimate a full monthly mortgage payment including tax, insurance, HOA and PMI.
Sales Tax Calculator
Add sales tax to a price, or work out the tax already included in a total.
GPA Calculator
Enter your courses, credits and grades to get your GPA on the 4.0 scale.
Calorie Calculator
Work out your daily calorie needs and targets for losing or gaining weight.
Hours Calculator
Add up worked hours from start and end times, minus breaks, with decimal totals and pay.
Fraction Calculator
Add, subtract, multiply or divide fractions and mixed numbers, reduced automatically.
Discount Calculator
Find the sale price and total saving, including stacked discounts and tax.
Retirement Calculator
Project your retirement savings with contributions, growth and inflation adjusted.
ROI Calculator
Calculate return on investment, net profit and annualized return.
Body Fat Calculator
Estimate body fat percentage, fat mass and lean mass from tape measurements.
Stopwatch & Timer
A stopwatch with laps and a countdown timer, switchable with one click.
Pomodoro Timer
Alternate focus sessions and breaks automatically, with adjustable lengths.
Dice Roller
Roll any combination of dice from d4 to d100, with totals and history.
List Sorter
Sort, deduplicate, trim, or shuffle a list of lines instantly.
Aspect Ratio Calculator
Scale width and height together at any ratio, with common presets.
Date Difference Calculator
Count the days between two dates, or add and subtract days from a date.
Inflation Calculator
Project future prices and the eroding purchasing power of cash.
Fuel Cost Calculator
Estimate how much fuel a trip needs and what it will cost.
Final Grade Calculator
Work out the score you need on the final to hit your target grade.
Unit Price Calculator
Compare products by price per unit to find the best value.
Language Translator
Translate text between 30+ languages with AI-powered accuracy.
Morse Code Translator
Convert text to Morse code and back, with audio playback and a reference chart.
Binary Translator
Convert text to binary or decode binary back to text, right in your browser. Each character's binary, hexadecimal and decimal codes appear side by side, ready to copy.
Pig Latin Translator
Convert English to Pig Latin and back using the standard rules.
Leetspeak Translator
Turn plain text into 1337 speak at three intensity levels.
NATO Phonetic Alphabet
Spell any text in the NATO phonetic alphabet: Alpha, Bravo, Charlie.
Upside Down Text Generator
Flip text upside down or reverse it with look-alike Unicode characters.
Roman Numeral Translator
Convert numbers to Roman numerals and back, with validation and rules.
Braille Translator
Convert text to Grade 1 Braille patterns with a reference chart.
Emoji Translator
Add emoji to your words, or strip them back out, with a density slider.
Open and use
No account, no install, no waiting. Every tool loads on its own page and works straight away.
Stays on your device
Text, files and numbers you enter are processed in your browser, not sent to a server.
Free, with a Pro option
Everything is free and unlimited. A free account syncs favorites. Pro adds saved presets, full game history and more.
Request a tool
Missing something you use often? Tell us what it should do. Requests are public so other people can vote on them, and the most wanted ones get built first.
You need a free account to post a request. Sign in or sign up — it's optional for using the tools.
Easy App Library Pro
Free covers unlimited tools, calculators and games with ads. Pro is for people who are here every day.
- Saved presets and full game history
- Favorites and cross-device sync (free with any account)
- Dynamic QR codes, exports and comparisons
- Ad-free browsing included as ads roll out