JSON Formatter
Format JSON with proper indentation, validate syntax, and minify for production use.
JSON Formatter
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Formatted JSON will appear here...
History
History is stored locally only and not sent to any server
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Format & Beautify
Add proper indentation and line breaks for readability
Minify & Compress
Remove whitespace and reduce file size
Validate & Check
Detect syntax errors and invalid JSON
Syntax Highlighting
Color-coded display for better visibility
Technical Details
Standard
RFC 7159
MIME Type
application/json
Encoding
UTF-8
File Extension
.json
Data Types
String:"text"
Number:123, 45.67
Boolean:true, false
Null:null
Array:[1, 2, 3]
Object:{"key": "value"}
Features & Uses
Format & Validate
- • Pretty print with custom indentation
- • Real-time syntax validation
- • Error highlighting and details
- • Minify for production use
Common Use Cases
- API response formatting
- Configuration files
- Data exchange between systems
- Database document storage
- Web application state
Advantages
Human readable and writable
Language independent
Lightweight and fast parsing
Wide browser and library support