Developer Tool
JSON Formatter & Validator
Paste JSON to format it with proper indentation or minify it. Syntax errors show the exact line and column.
Input
Output
Click Format or Minify to see output
How to use this tool
- 1
Paste your JSON
Copy raw or minified JSON from an API response, config file, or anywhere else and paste it into the editor.
- 2
Format or minify
Click Format to pretty-print with indentation, or Minify to compress it for production use or size comparison.
- 3
Fix syntax errors
Invalid JSON shows an error message with the exact line and column number so you can pinpoint and fix the issue instantly.