JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting, minification, error detection, and file handling.

Sample Data:

Keyboard Shortcuts

Ctrl+FFormat mode
Ctrl+MMinify mode
Ctrl+VValidate mode
Ctrl+SToggle stats
Ctrl+1Simple sample
Ctrl+2Complex sample
Ctrl+3Array sample

JSON Quick Reference

Data Types

String"text"
Number42
Booleantrue
Nullnull
Array[1, 2, 3]
Object{ }

Common Mistakes

❌ Trailing commas
{ "a": 1, }
❌ Single quotes
{ 'key': 'value' }
❌ Unquoted keys
{ key: "value" }
✅ Correct format
{ "key": "value" }