Developer converter

JSON to TypeScript Interface Converter

Generate TypeScript interfaces from JSON examples for API clients, Angular services, frontend models, and typed test fixtures.

When to Use JSON to TypeScript Conversion

  • Typing backend API responses in Angular or React.
  • Creating interfaces from sample JSON payloads.
  • Generating nested array and object type definitions quickly.

TypeScript Example

const response: RootModel = await api.getJson();

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