JSON to Pydantic Model Generator
Paste JSON, get a Pydantic BaseModel class with inferred types.
Input
Root class:
Output
JSON to Pydantic Converter
Automatically generate Python Pydantic BaseModel classes from JSON data. Infers field types (str, int, float, bool, list), handles nested objects as sub-models, and generates production-ready code. Useful for building FastAPI endpoints, data validation, and LLM structured output parsing.