JSON Formatter
Input
Output
Powerful JSON Processing
Supports various non-standard formats, making JSON processing more flexible and convenient
Allow Unquoted Keys
Supports JavaScript object literal format without requiring quotes for keys.
Allow Single Quotes
Automatically converts single-quoted strings to standard double-quote format with smart escape handling.
Allow Trailing Commas
Supports trailing commas and automatically cleans up unnecessary commas.
Full Feature Example
Input (Supported Format)
{
name: 'JSON Formatter',
age: 30,
profile: {
job: 'Developer',
skills: ['JavaScript', 'Python', 'Go',],
experience: {
years: 5,
companies: ['A', 'B',],
},
},
hobbies: ['Programming', 'Reading', 'Traveling',],
active: true,
}
Output (Standard JSON)
{
"name": "JSON Formatter",
"age": 30,
"profile": {
"job": "Developer",
"skills": ["JavaScript", "Python", "Go"],
"experience": {
"years": 5,
"companies": ["A", "B"]
}
},
"hobbies": ["Programming", "Reading", "Traveling"],
"active": true
}
Development & Debug
Direct copy-paste of JavaScript object code
Config File Conversion
Convert JS config-like format to JSON
Code Cleanup
Remove unnecessary trailing commas
Format Standardization
Unify mixed quote formats to standard JSON
Technical Features
Smart Processing Order
Trailing commas → Single quotes → Unquoted keys
Safe Parsing
Avoids processing special characters within string content
Full Integration
Supports all function modules (format, compress, validate, convert)
Real-time Response
Automatically reprocesses when any checkbox state changes
Comprehensive Error Messages
Includes usage instructions for all new features
Backward Compatible
Does not affect existing standard JSON processing