JSON Formatter
Format, minify and validate JSON in your browser.
Developer Tools
Processed locally in your browser
Your files and text are handled entirely on your device using your browser. They are never uploaded to our servers.
Formatting and validation happen locally in your browser. Your JSON is never uploaded.
How to use JSON Formatter
- 1
Paste or type your JSON.
- 2
Choose to format or minify, and pick an indent size.
- 3
Copy the result or download it as a file.
About this tool
Pretty-print or minify JSON with configurable indentation, and get clear validation errors when something is wrong. Runs fully in your browser.