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
- Paste your raw, minified, or unformatted JSON text into the editor.
- Select your desired indentation (2 spaces, 4 spaces, or Tab).
- Click "Format JSON" or toggle auto-format for instant formatting.
- 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.