How do I format JSON?

Paste your JSON into the input field and it's automatically formatted with proper indentation and syntax highlighting.

Does this validate JSON?

Yes! If your JSON is invalid, the tool shows the exact error with line number so you can fix it.

Yes! Click the Minify button to remove all whitespace and compress your JSON.

Format, validate, and beautify JSON online. Pretty print with proper indentation or minify for production.

Indent:

Input

Output

Everything runs in your browser: no data is sent to any server

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