Format and validate JSON fast
Beautify API payloads and instantly catch invalid JSON before shipping code.
About This Tool
JSON Formatter is useful for debugging API responses, request bodies, and config files during daily development.
How to Use This Tool
- Paste JSON in the input box.
- Click Format JSON to prettify and validate.
- If invalid, review the shown error and fix the source.
Why Use This Tool
- Readable JSON speeds up debugging.
- Validation catches syntax mistakes early.
- No need to switch to external formatter sites.
Frequently Asked Questions
Will this fix invalid JSON automatically?
It shows parse errors, but you still edit the source manually.
Can I minify JSON too?
Yes, use the Minify JSON action on this page.