About This Tool
Generate Python dataclass definitions from JSON data with proper type annotations. Supports Optional types, frozen classes, and nested dataclasses.
How to Use
- Paste your JSON data in the input area
- Set the root class name
- Configure options (Optional, frozen)
- Click Convert to generate Python dataclasses
FAQ
Which Python version is required?
Dataclasses require Python 3.7+. The generated type annotations use Python 3.10+ syntax with Optional from typing.