JSON Formatter & Validator
Popular
Format, validate, beautify, and minify JSON data with instant syntax error highlighting.
Runs entirely on your machine. Zero bytes uploaded to the cloud.
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About JSON Formatter & Validator
Clean up messy JSON, repair formatting, and validate structures with precise line and character error markers.
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Frequently Asked Questions about JSON Formatter & Validator
Will my proprietary JSON data be leaked?▼
Never. All parsing happens inside your browser's V8 engine. Zero bytes are ever transmitted over the network.