JSON to Pydantic Model Generator
Generate a Python Pydantic BaseModel with inferred field types from a JSON object or the first object in an array.
Last updated: 2026-10-25
Free Online JSON to Pydantic Model Generator
Use this free online json to pydantic model generator tool directly in your browser without installing software. Fast, mobile friendly and easy to use.
JSON to Pydantic Model
Convert sample data locally in your browser; nothing is uploaded.
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About This Tool
About JSON to Pydantic Model Generator
Generate a Python Pydantic BaseModel with inferred field types from a JSON object or the first object in an array. The conversion happens in your browser and your input is not uploaded.
How to use it
- Paste a sample or command into the input.
- Set the class, type, or table name if the tool offers that option.
- Convert and copy the generated output.
Frequently Asked Questions
Is this tool free?
Yes. It runs in your browser and does not require an account.
Is my input uploaded?
No. Conversions are performed locally in your browser.
Can I copy the generated code?
Yes. Use the copy button below the output.
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