Developer Tools
{ } JSON Formatter
Beautify or minify JSON data with syntax highlighting. Everything runs in your browser — your data never leaves your device.
Result
Your formatted JSON will appear here.
Keys: 0
Depth: 0
Original size: 0 B
Result size: 0 B
About the JSON Formatter
This free online JSON formatter beautifies, minifies and validates JSON data instantly in your browser — no server calls, no sign-up, and your data never leaves your device.
- Beautify — adds indentation and line breaks to make JSON human-readable, with color syntax highlighting.
- Minify — removes all unnecessary whitespace to produce the smallest possible JSON string.
- Validate Only — checks if your JSON is syntactically correct without changing the input.
- Sort keys — optionally reorders all object keys alphabetically, recursively.
- Error detection — clearly reports syntax errors so you can find and fix problems quickly.