Formatted JSON will appear here...
How This Tool Helps You
Working with JSON shouldn’t be painful. Whether you’re debugging an API response, editing a config file, or preparing test data, this lightweight formatter and validator is built to save you time and frustration.
- Instant validation: Catch syntax errors the moment you paste.
- One-click beautify / minify: Toggle between human-readable and compact formats.
- URL decode: Quickly decode encoded query strings inside JSON.
- Zero server round-trips: Everything runs locally in your browser for speed and privacy.
- Works offline: Service-worker turns it into a PWA you can install on desktop or mobile.
- Responsive design: Side-by-side on desktops, stacked on phones—always readable.
Copy the result to clipboard, or download it as a .json file in one tap. No sign-up, no ads, no tracking—just pure productivity.