Developer tools

JSON to Python Dataclass

Generate Python dataclasses with type annotations from JSON. Nothing you enter leaves your browser.

Paste JSON

Result

Your result will appear here.

Simple by design

Get the answer, without the clutter.

FormatCalc is built for quick work. This json to python dataclass runs entirely on your device, so private text and data stay private.

01

Enter or paste your information.

02

Transform it with one click.

03

Copy, use, or download your result.

Common questions

Using the JSON to Python Dataclass

Is the JSON to Python Dataclass free to use?

Yes. FormatCalc's JSON to Python Dataclass is free to use with no account required.

Is my data private when I use the JSON to Python Dataclass?

Yes. This tool processes your input locally in your browser. FormatCalc does not upload or store what you enter.

How do I use the JSON to Python Dataclass?

Paste or type your input, select any available options, and choose Generate Python. You can then copy the result.