JSON to Dart

Convert JSON to Dart class definitions with fromJson/toJson methods. Handles nullable types, nested classes, and List<T>.

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Convert JSON to Dart class definitions with fromJson/toJson methods. Handles nullable types, nested classes, and List<T>.

🔒All processing happens in your browser. No data is uploaded.

Class Name

Null Safety

JSON Keys

JSON Input

Paste your JSON here...

{
  "name": "John",
  "age": 30,
  "email": null
}

Dart Output

Dart class definitions will appear here...