{ }
JSON Formatter
Format and validate JSON data.
About this tool
Processing happens directly in your browser. No files are uploaded to the server.
The JSON Formatter cleans up and validates JSON data so it is easy to read. Paste raw JSON to pretty-print it with proper indentation, catch syntax errors, or minify it for production. Everything runs in your browser, instantly and for free.
How to use
- 1 Paste your JSON into the input box.
- 2 Click Format to indent and beautify it.
- 3 Review any highlighted errors and fix them.
- 4 Copy the formatted (or minified) result.
Frequently asked questions
Does it validate JSON as well as format it?
Yes. Invalid JSON is flagged so you can find and fix syntax errors quickly.
Is my data sent anywhere?
No. Formatting happens entirely in your browser; nothing is uploaded.
Can it minify JSON too?
Yes. You can both beautify JSON and compress it into a single line.