JSON Formatter
Format, validate, and minify JSON instantly.
Frequently Asked Questions
How do I format JSON?
Paste your JSON into the input box and it will be formatted instantly. Adjust the indent size (2 or 4 spaces) with the toggle.
What happens if my JSON is invalid?
The tool shows the exact error message and position so you can quickly find and fix the problem.
Can I minify JSON?
Yes. Click the Minify button to collapse your JSON into a single line, removing all whitespace.
Is my data sent to a server?
No. All processing happens in your browser. Your JSON never leaves your device.