JSON to Python Dataclass

Convert JSON data into Python dataclasses automatically.

from dataclasses import dataclass
from typing import Any

@dataclass
class Root:
    id: int
    name: str
    active: bool
    tags: list[str]
    profile: Profile

@dataclass
class Profile:
    age: int

What is JSON to Python Dataclass?

Create Python dataclasses directly from JSON examples.

How to use

Paste JSON.
Generate dataclasses.
Copy Python code.

Features

Dataclass generation
Type inference
Nested models
Array support
Python-friendly output

Example

Input

{
  "id": 1,
  "name": "John"
}

Output

@dataclass
class Root:
    id: int
    name: str

FAQ

Does it use Python dataclasses?

Yes. Generated models use @dataclass.

Can nested objects be converted?

Yes. Nested dataclasses are generated automatically.

Is my data stored?

No. Processing happens locally.

Missing a feature?

If this tool doesn't cover your use case or is missing functionality, please let me know through the Contact page.

New improvements and features are added based on user feedback.

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