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JSON to Code
Convert JSON to TypeScript, Python dict, dataclass, or Pydantic models. Generate type-safe code instantly.
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How to Use
- Paste your JSON data in the left panel
- Select output language: TypeScript, Python Dict, Dataclass, or Pydantic
- Code is generated automatically as you type
- Customize options based on your selected language
- Copy the generated code to your project
Common Use Cases
FastAPI Development
Generate Pydantic models from JSON API responses for type-safe FastAPI endpoints with automatic validation.
TypeScript Frontend
Create TypeScript interfaces from API responses for end-to-end type safety in React, Vue, or Angular apps.
Data Science
Convert JSON configs to Python dataclasses for structured data handling in data pipelines.
Quick Prototyping
Use Python dict output for rapid prototyping and debugging with proper Python syntax.
Features
- ✓TypeScript interfaces & types
- ✓Python dict with proper syntax
- ✓Python @dataclass with type hints
- ✓Pydantic BaseModel generation
- ✓Nested object support
- ✓Array/list type inference
- ✓Optional[T] for nullable fields
- ✓from_dict() helper for dataclass