JSON to TypeScript Interface Generator

Generate TypeScript interfaces from JSON instantly. Free online JSON to TypeScript interface converter.

Source Format

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Target Format

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Output

About This Conversion

Generate TypeScript interfaces from JSON data. Essential for type-safe API integration in TypeScript and React projects.

Handles nested objects, arrays, optional fields, and complex type unions. Output interfaces are clean and ready to use in your codebase.

Perfect for frontend developers consuming REST APIs, working with GraphQL responses, or defining state shapes in React applications.