JSON Formatter
Format, validate, minify, clean, convert JSON. Auto-formats on paste.
Input auto-formats on paste
Output —
Original
Modified
Diff Result
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.