ToolNex/JSON Formatter
Input JSON
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Formatted Output
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Online JSON Formatter & Beautifier

Clean, format, and beautify messy JSON strings with custom indentation.

How to use

  1. Paste your raw, minified, or unformatted JSON text into the editor.
  2. Select your desired indentation (2 spaces, 4 spaces, or Tab).
  3. Click "Format JSON" or toggle auto-format for instant formatting.
  4. Use "Copy" to put the clean JSON onto your clipboard.

Frequently Asked Questions

Is my JSON data secure?

Yes! ToolNex processes 100% of your data client-side in your browser. Nothing is sent to external servers.

Does it support nested objects and arrays?

Yes, it formats arbitrarily deeply nested JSON structures with standard indentation.