Format, validate, and beautify JSON data with syntax highlighting. Supports minification and customizable formatting.
Formatted JSON will appear here...Validate JSON syntax and get detailed error messages instantly
Format, minify, and customize indentation to your needs
Copy to clipboard or download formatted JSON files
It prettifies JSON with indentation so it’s readable, and it can validate syntax to catch missing commas, quotes, or brackets.
This formatter runs in your browser so you can safely format API responses, config files, and payloads.
Yes, you can convert pretty JSON into a compact single-line JSON string for production usage.