JSON Formatter & Validator
Format, validate and minify JSON data instantly
How to Format JSON
Paste your JSON data — it formats automatically on paste. Click "Beautify" to format with proper indentation, or "Minify" to compress into a single line. Enable "Sort keys" to alphabetically sort all object keys at every nesting level.
Features
- Auto-format on paste — no button click needed
- Syntax highlighting with color-coded keys, strings, numbers and booleans
- Validation with detailed error messages showing exact line and position
- Sort keys alphabetically at all nesting levels
- JSON stats: key count, nesting depth, array and object counts
- Beautify with 2 or 4 space indentation, or minify to one line