About JSON to Entity Class
This tool generates entity/model classes from JSON samples with language selection, root-class naming, optional-type strategy, and annotation toggles.
Key Features
- Multi-language Output: Switch among supported target languages.
- Root Class Naming: Custom root model name.
- Generation Options: Optional fields and annotation controls.
- Structure Analysis: Root/class/language stats.
- Utility Actions: Sample load, format, copy, and download.
Steps
- Select target language and root class name.
- Paste JSON sample.
- Configure optional/annotation options.
- Review generated code and analysis.
- Copy or download output.
Use Cases
- Fast model scaffolding from API payloads.
- Initial DTO/type generation for backend/frontend.
- Reducing manual errors in cross-platform schema sync.
FAQ
Why are inferred field types unexpected?
Inference depends on sample coverage. Add richer/representative samples to improve results.
Is generated code production-ready?
Use as a baseline and refine naming, nullability, and validation rules manually.