JSON Formatter / Minifier

Instantly format (pretty-print) or minify JSON. Validates structure and highlights errors so you can identify issues at a glance.

JSON input

Action

Format Minify

Indent size

Tips

Paste any valid JSON — objects, arrays, strings, numbers, booleans, or null.
Use Format to pretty-print with configurable indentation for readability.
Use Minify to strip all whitespace and reduce payload size.
Invalid JSON returns a descriptive error pointing to the exact problem.

Quick reference

`{ }`	Object
`[ ]`	Array
`"string"`	String (always double-quoted)
`true / false`	Boolean
`null`	Null