JSON Formatter & Validator
Format, validate and beautify JSON data with syntax highlighting.
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About this tool
{JSON Formatter} formats and validates JSON data with syntax highlighting. Paste your data on the left and instantly get a clean, readable output on the right.
- ✅ Validate JSON syntax in real time
- ✅ Choose between 2 / 4 / tab indentation
- ✅ Optionally sort keys alphabetically
- ✅ One-click minify, copy, sample and clear
- ✅ 100% private — everything runs in your browser. We never see your data.
Perfect for debugging API responses, cleaning up minified payloads, or preparing data for documentation.
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