JSON Formatter
Format, validate, minify, clean, convert JSON. Auto-formats on paste.
Input auto-formats on paste
Output —
Original
Modified
Diff Result
Common Use Cases
API Response
Format JSON from API calls
Minify Config
Compress JSON for production
Sort Keys
Alphabetize object keys
Compare JSON
Find differences between docs
Example Output
Formatted
Readable indented output
Minified
Compact single line
Cleaned
Strip nulls and empty values
Frequently Asked Questions
What is JSON Formatter used for?
JSON Formatter formats ugly or minified JSON into readable indented output with syntax highlighting. Essential for debugging API responses, cleaning configuration files, and validating data exports.
What operations does this tool support?
Format — beautify with indentation (default); Minify — remove whitespace; Clean — strip null, empty strings, arrays and objects; Sort — sort object keys alphabetically; YAML / XML — convert JSON to YAML or XML; URL — URL-encode raw text; Base64 — Base64 encode; Escape — escape special characters; Diff — compare two JSON documents side by side.
Is my data sent to a server?
No. All processing happens locally in your browser. Your JSON never leaves your device.
Keyboard shortcuts?
Ctrl+Enter (or Cmd+Enter on Mac) to format instantly.