{ }
JSON Formatter
Beautify, minify and validate JSON with clear error messages.
Advertisement
Format, validate and minify JSON with this free online JSON formatter and validator. Paste messy or minified JSON and beautify it into clean, indented code, or compress it back down. Invalid JSON is flagged with a clear error message so you can fix it fast.
How to use the json formatter
- Paste your JSON into the box above.
- Click Beautify to indent and format it, or Minify to compress it.
- Fix any errors shown, then copy the result.
Why use ToolOtter's JSON Formatter?
- Beautify & minify
- Validates with clear errors
- One-click copy
- Private, runs in your browser
JSON Formatter, frequently asked questions
How do I format (beautify) JSON?
Paste your JSON and click Beautify. It is re-indented into clean, readable form; click Minify to compress it again.
How do I know if my JSON is valid?
If the JSON is invalid, the tool shows the exact error message so you can find and fix the problem.
Does it change my data?
No. Formatting only changes spacing and indentation, your values and structure stay identical.
Is my JSON uploaded anywhere?
Never. Validation and formatting happen locally in your browser.
Advertisement