JSON Formatter
Format and beautify JSON with your choice of indentation.
How to Use
Paste minified or messy JSON into the box below and get a clean, indented, readable version instantly. If your JSON has a syntax error, you'll get a clear message instead of a cryptic parser error.
Examples
Minified input
json: {"a":1,"b":2}
{ "a": 1, "b": 2 }
Frequently Asked Questions
- Is my JSON data sent to a server?
- No — formatting happens entirely in your browser. Nothing is uploaded.
- What happens if my JSON is invalid?
- You'll see a clear message telling you the JSON couldn't be parsed, so you can fix it.