JSON to TypeScript Interface

Convert JSON objects into TypeScript interfaces and types automatically.

interface Root {
  id: number;
  name: string;
  active: boolean;
  tags: string[];
  profile: Profile;
}

interface Profile {
  age: number;
}

What is JSON to TypeScript Interface?

Creating TypeScript interfaces manually is time-consuming. Generate accurate interfaces directly from JSON examples.

Input

{
  "id": 1,
  "name": "John"
}

Output

interface Root {
  id: number;
  name: string;
}

Yes. Nested objects generate nested interfaces automatically.

Yes. Arrays are detected and typed automatically.

No. Everything runs locally in your browser.

If this tool doesn't cover your use case or is missing functionality, please let me know through the Contact page.

New improvements and features are added based on user feedback.

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