JSON to Java Object

Java Class Options

Generated Java Classes

Enter valid JSON to generate Java classes

Class Summary: 0 classes generated

Tip: Use the options panel to customize the generated Java code.

Note: All processing is done entirely in your browser. Your data is never uploaded to any server, ensuring complete privacy and security.

About JSON to Java Conversion

JSON to Java is a powerful tool that converts JSON data structures into Java POJO (Plain Old Java Object) classes. This tool simplifies the process of creating Java classes from JSON data, supporting various features like getters/setters, Lombok annotations, Jackson/Gson integrations, and more. It's particularly useful for developers working with REST APIs, data serialization, or any scenario where JSON data needs to be mapped to Java objects.

Frequently Asked Questions

How does the JSON to Java converter work?

Our converter analyzes your JSON structure and generates corresponding Java classes. It automatically determines appropriate data types, creates nested classes for complex objects, and supports various customization options like package names, access modifiers, and annotations. The tool ensures proper Java naming conventions and generates clean, well-formatted code.

What generation options are available?

The tool offers extensive customization options including: generating getters/setters, using Lombok for reducing boilerplate code, adding Jackson or Gson annotations for JSON processing, implementing the Builder pattern, choosing between primitive or wrapper types, adding validation annotations, and including Swagger documentation.

Can I handle complex JSON structures?

Yes, the tool can handle complex JSON structures including nested objects, arrays, and various data types. It automatically generates appropriate class hierarchies, creates proper type definitions, and maintains relationships between objects. The tool also handles edge cases like nullable fields and special characters in property names.

Is my JSON data secure when using this tool?

Yes, all processing is done entirely in your browser. Your JSON data and generated Java code are never uploaded to any server, ensuring complete privacy and security. We have no access to your data at any point during the conversion process.

Can I customize the generated code?

Yes, you can extensively customize the generated Java code through various options. You can specify the package name, choose access modifiers, select different annotations frameworks (Jackson, Gson), enable Lombok features, add validation annotations, and more. The tool also allows you to choose between different code generation patterns and styles.