JSON to Java Class Converter
Convert JSON to Java class (POJO) instantly. Generate Java classes with getters/setters or Lombok @Data annotation. Free online tool.
How to Convert JSON to Java Class
- 1 Paste your JSON data into the input area or upload a file
- 2 Enter a class name for the generated Java POJO
- 3 Specify the package name for the output
- 4 Enable Lombok for cleaner code with annotations
- 5 Click Convert to Java to generate the class
- 6 Copy the code or download as a .java file
Frequently Asked Questions
Is my code or data stored anywhere? ▼
No. All developer tools process data locally in your browser. Nothing is sent to any server or logged.
Can I use these tools offline? ▼
Yes! After the initial page load, most developer tools work without an internet connection.
Are there API limits? ▼
No limits. Since processing happens in your browser, you can use the tools as much as you need.
Is the output compatible with production use? ▼
Yes. Our tools produce standard-compliant output suitable for production environments.
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Last updated: January 15, 2026 · v2.1