Smart JSON to Class Converter

Intelligently converts JSON to JavaScript/TypeScript classes with pattern detection. Supports multiple constructor styles and auto-generates methods based on data.

Detects the best pattern based on your JSON structure

Input JSON

Characters: 0

Generated Output

Characters: 0

💡 Example Patterns

Click any example to load it into the converter

Basic User Profile
{"id": 1, "username": "dev_expert"}
Basic Constructor Destructured
Methods Product with Price
{"name": "Laptop", "price": 1200}
With Methods Destructured
Nested Location Data
{"city": "New York", "geo": {"lat": 40.7, "lng": -74.0}}
Nested Objects
Array Collection
{"items": ["apple", "banana"]}
With Methods
Extended User with Permissions
{"name": "Alice", "role": "admin"}
Extended Class
Large Object Inventory Item
Large object with many properties...
Object.assign

Converting JSON to class...