JSON Formatter & Validator
Format, validate, compress, and beautify JSON data. All processing happens in your browser.
How to Use
Features
- Format — Beautify JSON with indentation
- Minify — Remove all whitespace
- Validate — Check JSON syntax
Shortcuts
- Ctrl+Enter — Format
- Ctrl+M — Minify
Tips
- Keys must be double-quoted
- No trailing commas allowed
- All processing is local — your data stays private