Data cleanup
Free JSON Formatter & Validator
Paste, prettify, validate, and minify JSON without leaving your browser. Clear errors and one-click copy keep you moving fast.
Paste raw payloads from logs, APIs, or config files.
Formatted output will appear here.
Formatting tips
- • Ensure keys and strings are wrapped in double quotes.
- • Remove trailing commas after the last item in arrays or objects.
- • Use the minify action for compact payloads or query strings.
- • Validation runs locally—safe for API responses and private data.
Keyboard friendly
Use Ctrl/Cmd+A to select, then copy your formatted result instantly.