Free Online Tools for Calculator, Developer, Writer, Kids, Logic, API & Games
A-Revive provides 80 browser-based tools including Kids Tools, Logic Tools, Developer Tools, Writer Tools, Calculators, Image, Common Tools, API Tools, Games and Communication Tools.
Api Tester
Test API requests online.
Fake API
Create fake API endpoints from JSON data.
Fake API Server
Create fake API server from JSON data.
Fetch Tester
Run fetch requests online.
UUID Generator
Generate UUID online.
Webhook Tester
Receive webhook requests and inspect incoming data.
Age Calculator
Advanced age calculations.
Percentage Calculator
Percentage and growth calculator.
Date Calculator
Difference Between Dates
Loan Calculator
EMI & Interest Calculator
Time Calculator
Easy time calculator.
Timestamp Converter
Unix timestamp converter.
QR Code Generator
Generate QR codes instantly.
Barcode Generator
Create barcodes online.
Color Picker
Pick and analyze colors.
Palette Generator
Generate color palettes.
Unit Converter
Convert length, weight, temperature.
Timezone Converter
Convert timezones instantly.
Text to PDF
Convert text to PDF.
OCR Image to Text
Extract text from images.
Poll Creator
Create online poll and share link.
Random Quote Generatort
Generate random quotes.
Password Generator
Create Secure Random Passwords.
Would You Rather Generator
Fun Choice Game.
Speech Communication
Speech to text and text to speech.
Patient Communication Board
Hospital communication board.
Medical Translator
Translate medical phrases.
AAC Board
Assistive communication board.
Braille Audio Player
Text ↔ Braille with Speech.
Braille Learning Tool
Learn Braille alphabet and numbers.
Braille Translator
Convert Text to Braille & Braille to Text.
Morse Code Audio Player
Convert Text to Morse Sound.
Morse Code Translator
Convert Text to Morse & Morse to Text.
Morse Code Learning Tool
Learn Morse code with translation.
Code Formatter
Format HTML, CSS, JS, JSON.
Code Minifier
Minify CSS and JS.
Lorem Ipsum Generator
Generate dummy text.
Text Diff Checker
Compare two texts.
Fake Identity Generator
Generate realistic fake identities.
Random JSON Generator
Mock JSON Data Generator.
Image Resize
Resize images online.
Image Compress
Compress images.
Image Convert
Convert image formats.
Image Crop
Crop images.
Image Blur
Blur images.
Image Enhance
Enhance images.
Signature Maker
Create digital signature.
Image Watermark
Add watermark to images.
Word Scrambler Tool
Scramble words or sentences online.
Block Stacker Game
Build the Highest Tower.
Coin Toss
Flip a coin online instantly.
Dice Roller
Roll Virtual Dice Online.
Maze Game
Play free maze game online.
Memory Match Game
Play a fun memory match game online.
Random Number Generator
Generate random numbers instantly.
Reaction Speed Test
Measure Your Reaction Time.
Rock Paper Scissors Game
Play Rock Paper Scissors against the computer.
Snake Game
Play Classic Snake Online.
Tic Tac Toe Game
Play Tic Tac Toe online with friends.
Typing Speed Test
Advanced typing speed test.
Word Guess Game
Play a Word Guess game online.
Alphabet Learning Tool
Learn alphabets A to Z.
Geometry Playground
Interactive geometry playground.
Learn Colors Tool
Learn colors with names, visuals.
Learn Shapes Tool
Learn basic shapes.
Learn Time Tool
Learn time with interactive clock.
Match Quiz Tool
Play matching quiz game.
Math Learning Tool
Practice maths with quiz.
Number Learning Tool
Learn numbers with interactive UI.
Square & Cube Calculator
Calculate square and cube of any number.
Tables Learning Tool
Practice multiplication tables easily.
Word Builder Tool
Build words from given letters.
Logic Gate Simulator
Interactive logic gate simulator.
Truth Table Generator
Generate truth tables and practice logic.
Word Counter
Count words and characters.
Remove Duplicate Lines
Remove duplicate text lines.
Text Case Converter
Convert text case.
Find and Replace
Find and replace text.
Keyword Counter
Keyword Density Checker.
Random Name Generator
Generate random names.
Free Online Tools for Everyday Work
A-Revive provides free tools for documents, images, development, writing, API testing, games and communication. Use Match Quiz, Logic Gate, Code Formatter, Word Counter, QR Generator, API Tester, Typing Test and Morse Translator.
All tools work directly in browser and keep your data private.
Accessibility & Communication Focus
We include speech-to-text tools, AAC boards, hospital communication systems and sign language learning modules to support people with disabilities, caregivers and healthcare professionals.
Why Use A-Revive?
- ✔ 100% Free – No signup required
- ✔ Browser-based processing (privacy-friendly)
- ✔ Regularly updated
- ✔ Accessibility-first tools
- ✔ Lightweight and fast