JSON Formatter
Format, validate and minify JSON
Paste JSON and it is formatted instantly. Nothing is sent to a server โ it all runs in your browser.
Input 0 characters
Paste some JSON to see the formatted result.
Paste JSON to pretty-print it with indentation, validate it, or minify it to a single line. Errors point to the exact position โ a free JSON formatter and validator that runs in your browser.
How to use
- Paste your JSON into the input box.
- Choose format (indented) or minify (single line).
- If the JSON is invalid, the error message shows what went wrong and where.
FAQ
- Q. What happens if my JSON is invalid?
- A. You get the parser's error message with the position, so you can find the missing comma or bracket quickly.
- Q. Is my JSON sent anywhere?
- A. No. Parsing and formatting happen in your browser, so API responses and config files stay private.
- Q. Can I minify as well as format?
- A. Yes. Minify strips all whitespace to a single line โ handy for pasting into environment variables or query strings.
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