JSON Formatter
Format, validate and minify JSON in one place.
The JSON Formatter makes structured data easier to read, validate and compress. Paste any JSON payload to format it with consistent indentation, check syntax, or produce a minified version for storage and transmission.
Mode
Please enter some input.
How to use
- Paste or type JSON into the input field.
- Choose Format, Validate or Minify.
- Review the output and copy the result.
Frequently asked questions
Does the JSON stay in my browser?
Yes. Formatting, validation and minification run locally, so your JSON is not uploaded.
Which JSON versions are supported?
The tool accepts standard JSON objects, arrays and scalar values.
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