JSON Formatter & Beautifier
Format, beautify, and validate JSON online. Free, fast, runs entirely in your browser.
How to use JSON Formatter
- 1Paste your JSON
Paste raw JSON into the input area.
- 2Click Format
Press Format to pretty-print with 2-space indentation. Errors are flagged inline.
- 3Copy the result
Use the Copy button to copy formatted JSON to your clipboard.
Frequently asked questions
Is my JSON sent to a server?+
No. All formatting happens locally in your browser. Nothing leaves your device.
What if my JSON is invalid?+
You will see an inline error message describing the problem.
Can I minify JSON instead of beautifying?+
Yes — toggle Minify to strip all whitespace into a single compact line.
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