JSON Formatter, Validator & Tree Inspector
Format, minify, validate, repair, and explore JSON data client-side with zero latency.
Local-first
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Drop file or paste textFormatted JSON
Output will appear herePaste into the input to see results instantly
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Accepts:
Raw JSONMinified JSONString
Outputs:
2-Space Pretty JSONMinified JSON
Syntax validation & error highlight
How this tool works
What it accepts, how to use it, and where your input is processed.
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How this tool works
What it accepts, how to use it, and where your input is processed.
Show GuideHide Guide
Debug and validate your data structures instantly. Our JSON Formatter takes messy, minified, or unreadable JSON strings and transforms them into beautifully indented, human-readable code.
Why format JSON?
- Readability: Easily identify nested objects and arrays within large datasets.
- Validation: Find missing commas, brackets, or quotes that cause syntax errors.
- Optimization: Prepare clean data for documentation or sharing with your development team.
Need an extra feature or found an edge case?Send Feedback
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