JustFormatter is a free online toolkit designed for developers working with JSON and JWT data. Our mission is to simplify data formatting and debugging with instant, no-login-required tools.
Created by developers for developers, we focus on delivering fast, reliable tools that work directly in your browser without compromising your data privacy.
Simple tools should be free, fast, and accessible to everyone.
Reformat messy JSON with perfect indentation in milliseconds.
Decode and inspect JWT tokens with full header/payload details.
All processing happens in your browser - we never see your data.
Detect and highlight JSON syntax errors with line numbers.
Choose your preferred theme for comfortable viewing.
100% free tools with no hidden paywalls or limitations.
JustFormatter is built with modern web technologies to ensure:
Absolutely! All processing happens directly in your browser. We never send your data to our servers.
No installation required. JustFormatter works entirely in your web browser.
Currently you need an internet connection to load the tools, but we're working on PWA support.
No limits! Use our tools as much as you need, completely free.
Please mail us: justformatter25@gmail.com.