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JSON Formatter

Format, validate, and minify JSON with syntax highlighting

Privacy Notice: All JSON processing happens in your browser. Your data never leaves your device.

Input JSON

Formatted Output

Formatted JSON will appear here

JSON Formatting Tips

  • •Use proper indentation for better readability (2 or 4 spaces)
  • •All keys must be enclosed in double quotes
  • •String values must use double quotes, not single quotes
  • •No trailing commas after the last element in arrays or objects
  • •Use minification to reduce file size for production APIs
  • •Sort keys alphabetically for consistent diffs and version control

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Frequently Asked Questions

Common questions about the JSON Formatter

JSON formatting (also called pretty-printing or beautifying) adds proper indentation, line breaks, and spacing to JSON data to make it human-readable. Unformatted JSON is often compressed into a single line, making it difficult to read and debug.

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ℹ️ Disclaimer

This tool is provided for informational and educational purposes only. All processing happens entirely in your browser - no data is sent to or stored on our servers. While we strive for accuracy, we make no warranties about the completeness or reliability of results. Use at your own discretion.