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JSON Formatter

Developer Tools

Format, validate, and minify JSON online. Instantly beautify messy JSON data with proper indentation.

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How to Use JSON Formatter

  1. Paste JSON – Paste your JSON data into the input box.
  2. Format – Click "Format" to beautify with proper indentation.
  3. Minify – Click "Minify" to compress for production use.
  4. Copy – Click "Copy Output" to copy the result.

Frequently Asked Questions – JSON Formatter

It checks your JSON for syntax errors and tells you exactly where any errors are located.
No. JSON formatting and validation runs entirely in your browser with JavaScript. No data leaves your device.