JSON to TypeScript & Schema Converter
Instantly convert JSON objects into TypeScript interfaces, types, Zod validation schemas, JSON Schema, or Python Pydantic models.
Local-first
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Drop file or paste textTypeScript Interfaces
Output will appear herePaste into the input to see results instantly
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Accepts:
JSON Object / Array
Outputs:
TypeScript Interfaces & Types
Nested models & optional props
How this tool works
What it accepts, how to use it, and where your input is processed.
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How this tool works
What it accepts, how to use it, and where your input is processed.
Show GuideHide Guide
Developing with TypeScript? Our JSON to Type Generator automatically analyzes your data structures and produces precise Interface definitions, saving you time and preventing runtime errors.
Why generate types?
- Type Safety: Ensure your application handles API responses correctly without
anytypes. - IDE Support: Get full autocomplete and IntelliSense for your data structures in VS Code.
- Documentation: Use interfaces as a living documentation of your data models.
Need an extra feature or found an edge case?Send Feedback
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