Developer Utility

JSON to Pydantic Model Generator

Generate Pydantic v2 BaseModel (or v1) classes from JSON, with snake_case conversion, Field aliases, and datetime detection.

Pairs well with

Jump to other JSON2Class utilities that naturally follow this one.

JSON to Java

Generate Java DTOs and review validation-oriented API models.

JSON to Kotlin

Review nullability and Kotlin data class structure quickly.

JSON Formatter

Format sample payloads before sending them back into the converter.