Convert Python classes to JSON!

Paste Python Pydantic·dataclass code and get an example JSON!

- API docs and test payloads - Paste a DTO or model class to get an example JSON with the right shape for API docs, Postman tests or frontend mock responses. - Serialization rules applied - Reads Field(alias), alias_generator, Optional, Literal, Enum, list·dict to produce the JSON keys and value shapes that are actually sent.