JSON Formatter
Format, validate, and minify JSON with proper indentation.
About JSON Formatting
Paste minified or messy JSON to pretty-print it with proper indentation, or use Minify to strip whitespace for compact storage or transmission. Invalid JSON is caught immediately with a clear error message. Everything runs locally in your browser — nothing is uploaded anywhere.
About this tool
Paste minified or messy JSON to pretty-print it with 2 or 4-space indentation, or minify it for compact storage. Invalid JSON is caught with a clear error message.
Key Features
- ✓ Format with 2 or 4-space indent
- ✓ Minify to compact JSON
- ✓ Inline error messages
- ✓ Copy to clipboard
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