JSON to Dart
Convert JSON objects to Dart class definitions for Flutter apps with fromJson/toJson methods.
Paste JSON above and click Convert
Generate Dart classes with fromJson/toJson from any JSON structure
Learn More
Generate Flutter-ready Dart classes with fromJson/toJson factories, null safety, and nested model support.
Why Dart/Flutter Developers Need JSON Class Generation
Flutter applications rely heavily on JSON for API communication, but Dart lacks built-in JSON-to-object mapping like Gson or Jackson in other languages. Every API response requires a model class with manual fromJson and toJson factory methods. For apps consuming multiple endpoints, this boilerplate multiplies quickly — our converter generates complete Dart model classes from JSON samples instantly, saving hours of repetitive coding.