Key capabilities
- TypeScript, Go, Java, and Python targets
- Understands required, nullable, enum, format, and composed schemas
- Reads and hands off JSON Schema and OpenAPI drafts
- Package names, JSON mapping, date types, and multi-file exports
JSON to Data Model
Generate TypeScript, Go, Java, and Python data models from JSON samples, JSON Schema, OpenAPI 3.x, or Swagger 2.0 while preserving required, nullable, enum, format, and nested structure semantics.
JSON Data Model WorkbenchLocal parsing and generation
Model sourceNot detected
390 B
Generated output
Valid input generates models automaticallySupports JSON samples, JSON Schema, OpenAPI 3.0 / 3.1, and Swagger 2.0.
About JSON to Data Model
Generate production-ready models for four languages. Generate TypeScript, Go, Java, and Python data models from JSON samples, JSON Schema, OpenAPI 3.x, or Swagger 2.0 while preserving required, nullable, enum, format, and nested structure semantics. The core workflow is designed to run in your current browser.
Useful for
- Create frontend types from API responses
- Generate backend DTOs and domain structures
- Prepare model scaffolding for SDK and client projects
Frequently asked questions
Is JSON to Data Model free to use online?
Yes. JSON to Data Model opens in a modern browser and does not require desktop software installation.
What is JSON to Data Model useful for?
Common use cases include Create frontend types from API responses; Generate backend DTOs and domain structures.
Is my input or file uploaded?
The core processing workflow is designed to run locally in the browser. Key capabilities include TypeScript, Go, Java, and Python targets, Understands required, nullable, enum, format, and composed schemas, Reads and hands off JSON Schema and OpenAPI drafts; account, comments, and anonymous analytics may still create normal site requests.
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