JSON Formatter & Validator
Format, validate, and minify JSON. Syntax highlighting and error detection.
Formatted output will appear here
About This Tool
Paste any JSON and click Format to pretty-print it with syntax highlighting. Use Minify to compress it into a single line. Invalid JSON is flagged with a clear error message showing exactly what went wrong.
Features
- Format with customizable indentation (2 or 4 spaces).
- Minify to remove all whitespace.
- Syntax highlighting: keys, strings, numbers, booleans, and null.
- Instant validation with detailed error messages.