JSON to TypeScript

Convert a JSON object into matching TypeScript interface definitions.

interface Root {
  id: number;
  name: string;
  tags: string[];
  address: RootAddress;
}

interface RootAddress {
  city: string;
}

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How to Use

1Open the JSON to TypeScript tool in your browser.
2Paste or type your content into the input field.
3The tool processes it instantly — no page reload needed.
4Copy the result with one click, or download it if available.

About this tool

Convert a JSON object into matching TypeScript interface definitions. A fast, no-nonsense utility for developers — runs client-side, no signup.

Frequently Asked Questions