Input Source
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Generated Output
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Paste JSON in the input panel and hit Beautify or Generate to see results here.
Generate Dart Classes for Flutter
Building Flutter apps with json_serializable requires properly structured Dart model classes. Our JSON to Dart generator instantly creates production-ready classes with factory fromJson() constructors and toJson() methods that map cleanly to your API responses.
The engine handles nested objects recursively, generates @JsonKey annotations for mismatched field names, and types arrays as List<T> with proper null-safety using nullable ? types throughout.
