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Online utility

JSON to Dart

Generate Dart model classes from JSON for Flutter apps, API clients, and structured data workflows.

Best forFlutter and Dart models
ActionsGenerate and copy
RunsIn the browser

Tip

Paste a JSON object, set the root class name, and generate plain Dart models with fromJson and toJson methods.

JSON to Dart

Generate Dart classes from JSON

Flutter

The generator works best with JSON objects. If you paste a root array, the tool wraps it in an items field for the root model.