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"
Number
42
Boolean
true
Null
null
Array
[1, 2, 3]
Object
{ }
Common Mistakes
❌ Trailing commas
{ "a": 1, }
❌ Single quotes
{ 'key': 'value' }
❌ Unquoted keys
{ key: "value" }
✅ Correct format
{ "key": "value" }
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