Lightning Fast
All tools run client-side in your browser for instant results without server latency.
Private & Secure
Your data never leaves your computer. We don't store or see any of your inputs.
Open Source
Built with modern web technologies and completely free to use for everyone.
Featured Tools
Most popular utilities used by developers daily.
Text Diff Checker
Compare two pieces of text and find the differences.
JSON Formatter
Prettify and format your JSON data for better readability.
JSON Validator
Check if your JSON is valid and find syntax errors.
Base64 Encoder/Decoder
Encode or decode text to and from Base64 format.
URL Encoder/Decoder
Safely encode or decode URLs for web use.
Word Counter
Count words, characters, and lines in your text.
Latest from Blog
Tips, tricks, and tutorials for developers.
10 Essential Developer Tools for 2026
Discover the must-have tools that every modern developer should have in their arsenal.
Mastering JSON: Tips and Tricks
Learn how to handle complex JSON structures and optimize your data processing workflow.
The Importance of Client-Side Processing
Why processing data in the browser is better for privacy, speed, and security.