Does it validate my JSON?

Yes. Invalid JSON is flagged so you can find and fix the problem quickly.

Can I minify as well as beautify?

Yes. You can expand JSON for readability or compact it to save space.

Is my JSON uploaded anywhere?

No. Formatting happens entirely in your browser; nothing is sent to a server.

インデント

JSON Input

Input Character Count: 0

Format Result

Enter JSON to see result

Output Character Count: 0

JSON Formatter & Validator

Format, minify and validate JSON in seconds. Paste messy or minified JSON to get a clean, indented structure, or compact it down — with instant feedback when something is invalid.

How to use

Paste your JSON into the input area.
Choose to beautify (indent) or minify the output.
See formatting errors highlighted if the JSON is invalid.
Copy the formatted JSON and use it in your project.

Frequently asked questions

Does it validate my JSON?: Yes. Invalid JSON is flagged so you can find and fix the problem quickly.
Can I minify as well as beautify?: Yes. You can expand JSON for readability or compact it to save space.
Is my JSON uploaded anywhere?: No. Formatting happens entirely in your browser; nothing is sent to a server.