JSON to C++

Convert JSON to C++ struct/class.

This tool is designed to provide a seamless experience for developers by handling complex operations directly in your browser with maximum speed and security.

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This tool transforms JSON into clean, modern C++ code using common patterns and libraries like nlohmann/json. It generates struct or class definitions with appropriate data types for each field (int, std::string, bool, etc.), including support for nested objects and dynamic arrays. It is an ideal tool for developers working on performance-critical applications, embedded systems, or game development where integrating external data into a static C++ environment needs to be fast and reliable. By automating the mapping process, it ensures your C++ models are always in sync with your JSON protocols and provides a solid foundation for more complex data handling logic.

Input your JSON to generate C++ structs or classes. It can also generate serialization/deserialization code using popular libraries like nlohmann/json.

Writing C++ boilerplate for JSON parsing can be complex and error-prone due to the language's strict memory management and type system. This tool handles the tedious work of mapping types and creating structure, providing you with a clean, typed foundation that integrates seamlessly with modern C++ libraries, saving you significant development time and reducing potential bugs.

Example Input

{
  "id": 1,
  "name": "John Doe",
  "email": "john@example.com",
  "isActive": true,
  "tags": ["admin", "dev"],
  "profile": {
    "bio": "Software Engineer",
    "skills": ["Go", "React", "TypeScript"]
  }
}

Example Output

struct User {
    int id;
    std::string name;
    std::string email;
    bool isActive;
};

Library Dependency

Fix: The generated code might require a JSON library like nlohmann/json. Ensure you have it installed in your project.

Does it support std::vector?

Yes, JSON arrays are automatically mapped to `std::vector` in the generated C++ code.

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