JSON Formatter & Validator

Validate, prettify and minify JSON, with the exact line and column of any syntax error.

Why use this tool?

Validate, pretty-print and minify JSON from APIs and config files. If the JSON is invalid, you get the exact line and column of the error - a missing comma, quote or bracket.

How to use it

1. Paste your JSON.
2. Click Format / Prettify or Minify.
3. Fix any error at the reported line and column, then copy or download the result.