Converters

JSON to Python Dataclass

Convert JSON data to Python dataclass definitions with type annotations. Supports Optional types and frozen classes.

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

  1. Paste your JSON data in the input area
  2. Set the root class name
  3. Configure options (Optional, frozen)
  4. 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.