How to use
Paste JSON and run formatting. If the data is invalid, use the error message to locate and fix the syntax.
When it is useful
Format JSON with indentation so its data structure is easier to read and inspect. Useful for personal, study and work tasks.
Data handling
The tool runs in your browser unless its function requires an external service. Avoid entering confidential information on shared devices. Privacy Policy.
Check the result
Verify the output and source data before using it in important documents or calculations.
Frequently asked questions
Do I need an account?
No. You can open the tool without creating an account.