{ }

JSON Formatter & Validator

Beautify, minify and validate JSON instantly. Highlights syntax errors. Copy clean JSON with one click.

JSON Formatter

Paste your JSON — format, validate or minify it.

Input JSON

Output

Common JSON Errors

Trailing commas — JSON does not allow commas after the last item
Single quotes — JSON requires double quotes for strings and keys
Unquoted keys — All object keys must be in double quotes
Comments — Standard JSON does not support // or /* */ comments