Free

Generate Pydantic BaseModel classes from JSON data

Browser-only Fast Secure
JSONInput
Paste something to see the result…

Common Questions

Pydantic v2 (Python 3.7+). The generated code uses modern Pydantic syntax.

Private & Free

Start your first chart — no coding required

Your data stays private. Upload your data and get full charts and insights in seconds.

Upload your data

Learn to Visualize Data Better

Chart tutorials, visualization tips, and product updates - delivered to your inbox, no spam.