JSON Formatter
Format JSON for readability or minify it to a single line. Syntax errors are shown instantly.
Input
Output
FAQ
Is my JSON data sent to a server?
No. Everything runs entirely in your browser and no data leaves your device.
How do I check JSON syntax errors?
Paste your JSON and any syntax error message appears immediately in the output area.
Can I change the indentation size?
Yes. In format mode you can choose between 2 spaces, 4 spaces, or tabs.
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