ToolEmpire

JSON to Code Generator

Infer a typed data model from a JSON sample — Python, Rust, C#, Java, Go, or GraphQL.

Inputs

Results

from dataclasses import dataclass
from typing import List, Optional

@dataclass
class Address:
    city: str
    zip: str

@dataclass
class Model:
    id: int
    name: str
    active: bool
    score: float
    tags: List[str]
    address: Address
    nickname: Optional[str]

About this tool

Paste a JSON object to infer a typed data model from its values, then export Python, Rust, C#, Java, Go, or GraphQL code. Deterministic output.

How to use

  1. 1Paste your JSON object into the JSON field (the sample includes a nested object, an array, and a null).
  2. 2Choose the target language in the Target language select: Python, Rust, C#, Java, Go, or GraphQL.
  3. 3Set the type name in Root type name (defaults to Model).
  4. 4Copy the generated code — nested types are included, children first.

Frequently asked questions

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