JSON Formatter
Paste JSON to beautify or minify it instantly; invalid JSON reports the exact error location.
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This tool runs locally in your browser — your content is never uploaded to a server.
How to use
- 1Paste your JSON into the input box, or click “Example” to load a valid sample.
- 2Click “Beautify” to format with 2-space indentation, or “Minify” to strip extra whitespace.
- 3If the JSON is invalid, the tool reports the reason with the line and column number — fix and retry.
- 4Click “Copy” or “Download .json” to save the result, or “Clear” to start over.
FAQ
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