What is a JSON to Dart converter?

It is a tool that transforms JSON objects or arrays into Dart classes with fromJson and toJson methods, ready for use in Flutter or Dart projects.

Is this JSON to Dart converter free?

Yes, it is completely free and runs entirely in your browser without requiring any installation.

Yes, nested objects and arrays are automatically converted into nested Dart classes with proper typing.

Yes, the tool supports null safety. Fields that may be null in JSON are appended with ? in Dart.

Yes, you can choose to mark fields as private (using underscore prefix) or required in the constructor to enforce runtime safety.

Arrays of objects are converted into Dart List types with nested classes generated for each object.

Absolutely. All operations are performed client-side in your browser; no data is uploaded to any server.

Yes, the generated Dart classes are fully compatible with Flutter and can be directly used for API responses and state management.

Null Safety Private Fields Required Fields Default Values

Copy to Clipboard Download Dart