Free JSON to Python Dataclass Generator Online
Convert JSON data to Python dataclasses or TypedDict definitions automatically. Supports nested objects and type hints. Download .py files instantly for free.
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What is JSON to Python?
JSON to Python is a free online tool that generates Python dataclass or TypedDict definitions from JSON data. It infers types from your JSON values and creates properly typed Python classes, making it easy to work with JSON data in a type-safe way. Perfect for Python developers using type hints and static analysis tools.
How to Use JSON to Python
- Paste your JSON data into the input area
- Set the root class name
- Choose between dataclass or TypedDict output
- Click 'Convert' and copy or download the .py file
JSON to Python Features
- Generates Python dataclasses with type hints
- TypedDict alternative for dict-compatible types
- Nested objects generate separate classes
- Lists map to List[T] with inferred element types
- Optional fields typed as Optional[T]
JSON to Python FAQ
Dataclass vs TypedDict — which should I use?
Use dataclass for object-oriented code with methods. Use TypedDict when you need dict compatibility or are working with JSON parsing libraries.
Are type hints included?
Yes, all fields include proper Python type hints inferred from the JSON values.
Is my data secure?
Yes! All conversion happens in your browser. Your data is never sent to any server.