./json-formatter
Free JSON Formatter Online
Format, validate, and minify JSON data directly in your browser. Paste your JSON below to check for syntax errors and make it readable with clean indentation.
How to Use
- 01Paste your JSON data into the input box.
- 02Click "Format" to beautify, or "Minify" to compress it.
- 03Copy the result using the Copy button.
FAQ
Is my JSON data sent to a server?▼
No. This JSON formatter runs entirely in your browser. Your data never leaves your device.
What happens if my JSON is invalid?▼
The tool displays a clear error message pinpointing where parsing failed, so you can fix syntax issues quickly.
Can I minify JSON as well?▼
Yes. Click the Minify button to produce a compact, single-line version with all whitespace removed.