About this tool
A JSON formatter that helps developers format, minify and validate JSON data with syntax highlighting, making nested structures easy to read.
How to use
- Paste JSON string into the left input box
- Click "Format" to beautify, or "Minify" to remove whitespace
- Check the highlighted result on the right
Example
Input {"name":"test","count":3} and click Format to get indented, readable multi-line output.
FAQ
What is the difference between JSON and JavaScript objects?
JSON is a data format with double-quoted keys, no functions or comments; JS objects are code structures.
Why does my JSON fail to parse?
Common causes: missing quotes, trailing commas, single quotes instead of double quotes.