JSON Formatter & Validator
Format, validate, and minify your JSON data instantly. Everything runs in your browser — no data is sent to any server.
0 characters1 lines
Instant Processing
Format, validate, or minify JSON in milliseconds. No server roundtrips needed.
100% Private
Your data never leaves your browser. No tracking, no cookies, no server-side processing.
Flexible Output
Choose 2, 4, or 8 space indentation. Minify for production or beautify for readability.