A little less busywork
JSON to Dart
Turn a JSON sample into typed Dart models with fromJson factories.
Your input
Runs locally. Your input is never uploaded or saved.
Output
Your result will appear here.
How to use this tool
Paste a JSON object, choose a root class name, and generate nested models. Types are inferred from a single sample; review optional fields and nullability against your real API schema.
Keep your workflow private
This utility processes input only in this tab. It does not upload or persist pasted content. Review generated output before using it in a production application.
Need a complete starter? Generate a Flutter project →