JSON Formatter & Validator
Format, validate, and minify JSON data instantly. Highlights errors with line numbers.
Formatted output will appear here...About This Tool
Our free JSON formatter and validator helps developers quickly format, validate, and minify JSON data. It highlights syntax errors with clear messages so you can fix issues instantly.
Features
- Prettify JSON with proper indentation (2 spaces)
- Minify JSON to remove whitespace
- Validate JSON syntax with error messages
- One-click copy to clipboard
- Works entirely in your browser — no data sent to any server