JSON to Python Dataclass
Generate Python dataclass definitions from JSON with proper type annotations
Processed on your device — never uploaded
JSON Input
Python Dataclass Output
Frequently Asked Questions
How do I convert JSON to Python dataclasses?
Paste a JSON object into the input, set a class name, and click Generate to get Python dataclass definitions with proper type annotations and imports.
Does the tool generate Python type hints?
Yes, all fields include type annotations such as str, int, float, bool, List[], and Optional[] based on the JSON values.
Are nested JSON objects supported?
Yes, nested objects are converted into separate dataclass definitions with proper cross-references and snake_case field naming.
What Python imports are included?
The tool automatically adds the dataclass import and any needed typing imports like List and Optional based on your JSON structure.