JSON Formatter
Format, validate, and prettify JSON instantly. Syntax highlighting, error detection, and minify options.
Result will appear here...
Why Use a JSON Formatter?
JSON (JavaScript Object Notation) is the standard data format for web APIs and configuration files. However, minified or poorly formatted JSON is difficult to read and debug. Our JSON Formatter instantly prettifies your data with proper indentation and syntax highlighting.
Key features: Real-time validation, error detection with line numbers, minify option for production, and syntax highlighting for keys, strings, numbers, and booleans. All processing happens locally in your browser.
Pro tip: Use Ctrl + Enter to format quickly, or Ctrl + Shift + M to minify. Your JSON is never sent to our servers.
No. All formatting happens locally in your browser. Your data never leaves your device. Complete privacy guaranteed.
Yes! Use the Minify button to compress JSON into a single line, perfect for production use or reducing file size.
The tool will highlight the error location and display a detailed error message to help you fix the issue quickly.