Developer tools
JSON Formatter
Format JSON for readability, validate its syntax, or minify it into a compact string. Errors are reported without uploading your data.
Runs locally in your browser. Nothing is uploaded.
How to use json formatter
- Paste JSON into the input editor.
- Choose Format, Minify or Validate.
- Copy the result or fix any reported syntax error.
Common questions
What does a JSON formatter do?
It parses JSON data and prints it with consistent indentation so objects and arrays are easier to inspect.
Does formatting change the data?
Formatting changes whitespace only. The represented JSON values remain the same.
Is this tool free?
Yes. This tool is free to use in your browser.
Are my inputs uploaded?
No. The tool processes your input in this browser tab and does not send it to a server.