JSON to POJO Converter

Convert your JSON data into POJOs or class structures for Java, Python, TypeScript, and JavaScript.

Choose the programming language for generated classes
JSON Input 0 characters
POJO Output
Converted POJO will appear here...

About POJO Conversion

This tool converts JSON data to Plain Old Java Objects (POJOs) or equivalent class structures in Python, TypeScript, and JavaScript. The converter handles:

  • Basic data types (strings, numbers, booleans)
  • Nested objects and arrays
  • Proper type definitions for each language
  • Class/interface structure generation

Common Conversion Issues

IssueSolution
Invalid JSON syntaxValidate your JSON first using our validator tool
Special characters in keysKeys with special characters may need manual adjustment
Complex nested structuresCheck the generated classes for proper nesting

Pro Tips

  • Use the sample button to see example conversions
  • For Java, copy the generated classes to your IDE
  • For TypeScript, the generated interfaces are ready to use
  • Python dataclasses require Python 3.7+