JSON to Dart Converter

What is JSON to Dart Converter?

JSON to Dart Converter is an online productivity tool designed specifically for Flutter and Dart developers. It automatically parses standard JSON data structures and generates corresponding Dart class models (Entities) with a single click. It fully supports nested objects, lists, and safe type inference.

Why convert JSON to Dart Models?

In Flutter app development, we frequently fetch JSON data from backend APIs. To use this data safely and efficiently in Dart, best practices dictate deserializing it into strongly-typed Dart objects. Manually writing these entity classes is tedious and error-prone (especially with deeply nested JSON). Using this tool saves you hours of repetitive work by generating complete code with fromJson and toJson methods in a second.

How to use this tool?

• Step 1: Paste your JSON string into the left input area.
• Step 2: In the right settings panel, enter your desired Root Class Name.
• Step 3: Choose whether to use Private Fields.
• Step 4: Click the "Convert" button. Beautiful Dart code will be generated instantly on the right. You can click the copy button to paste it directly into your Flutter project.

Best Practices & Privacy

After generating the code, it's recommended to use it alongside Flutter's official packages like json_annotation or json_serializable for advanced encapsulation. Additionally, all parsing and code generation logic runs entirely locally in your browser. No data is ever uploaded to the cloud, so you can safely parse any JSON data containing sensitive business logic.