JSON to Dart Converter

Convert JSON to Dart Model Classes Online

Our JSON to Dart Converter is a free, fast, and easy-to-use tool designed to help Flutter developers quickly generate Dart model classes from JSON data. Whether you're working with REST APIs or local data, this tool simplifies your workflow by automating class creation with support for null safety, serialization, and more.

Key Features

• ✅ Supports null safety for robust and modern Dart code
• ✅ Generates final fields for immutable models
• ✅ Creates a copyWith method for easy state management
• ✅ Includes fromJson and toJson methods for serialization
• ✅ Optionally extends Equatable for value equality
• ✅ Handles nested objects and arrays automatically

How to Use the JSON to Dart Converter

1. 📋 Paste your raw JSON data into the input field
2. 🛠️ Customize settings like class name, null safety, and more
3. ⚙️ Click “Convert” to instantly generate Dart class code
4. 📤 Copy the generated Dart code and use it in your Flutter project

Why Use This Tool?

Writing Dart model classes by hand can be repetitive and error-prone. This tool automates that process and ensures consistency in your models. It’s ideal for developers working with:

• 📦 JSON APIs in Flutter apps
• 📄 Local JSON files or configuration data
• 📈 State management libraries like Bloc, Riverpod, or Provider

Example Output

{
  "name": "John",
  "age": 28
}
➡️ Converts to:

class Person {
  final String name;
  final int age;

  Person({required this.name, required this.age});

  factory Person.fromJson(Map json) {
    return Person(
      name: json['name'] as String,
      age: json['age'] as int,
    );
  }

  Map toJson() => {
    'name': name,
    'age': age,
  };
}
    

Start using the JSON to Dart Converter now and boost your Flutter development productivity!