Format, validate, and minify JSON online. Free JSON formatter with syntax highlighting and error detection. No signup required.
Copy your JSON code and paste it into the input textarea above.
Select "Format" for readable output with indentation, or "Minify" to compress.
Click the copy button to save the processed JSON to your clipboard.
Process JSON instantly without server delays. Works completely offline in your browser.
Your JSON data never leaves your computer. Perfect for sensitive configuration files.
No subscriptions, no limits, no watermarks. Use as much as you need.
Built for developers with real-time validation and clear error messages.