Does it use json_serializable?

It emits hand-written fromJson/toJson methods so you can paste without codegen.

JSON to Dart

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Generate Dart classes with fromJson/toJson helpers for Flutter apps.

Best-effort from sample JSON

Root type name

JSON

Dart model

Creates a class with fromJson and toJson.

{"id":1,"name":"DevKit"}

Beautify and minify JSON instantly

Validate JSON syntax with detailed errors

Convert between JSON and YAML

Convert between JSON and XML