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ToolBay

JSON to Dart Online Free

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

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Examples

Flutter model

Creates a class with fromJson and toJson.

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

How JSON to Dart works

Generate Dart classes with fromJson/toJson helpers for Flutter apps. Output is Dart-specific. Runs in your browser.

  1. 1. Paste JSON. Use a real API response so nested types come through.
  2. 2. Check the Dart output. Scan names, optionals, and nested types.
  3. 3. Copy the code. Drop it into your project and adjust if the sample was incomplete.
  • Generate Dart models from a real API JSON sample
  • Paste the output into an existing Dart project
  • Flutter model
Does it use json_serializable?
It emits hand-written fromJson/toJson methods so you can paste without codegen.

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