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JSON to TypeScript

Convert JSON to TypeScript interfaces instantly. Generate strongly typed TS models for APIs, React, Angular, Vue and Node.js with browser-based code generation.

Options

Input JSON

Paste or edit your JSON sample

TypeScript output

Interfaces and type aliases

Ready
export interface Root {
  id: number;
  name: string;
  email: string;
  active: boolean;
  score: number;
  tags: string[];
  profile: {
  age: number;
  city: string;
};
}

Why JSON to TypeScript?

TypeScript types speed up frontend and full-stack apps when wiring REST or GraphQL APIs.

This page presets TypeScript output so you can paste API JSON and ship typed code faster.

FAQ

How do I convert JSON to TypeScript?

Paste your JSON sample into the editor on this page. The TypeScript output updates live — copy it or download a .ts file.

Is JSON to TypeScript conversion free?

Yes. JSON to TypeScript conversion on WebioTools is free for normal usage and runs in your browser.

Is my JSON data sent to a server?

No. Code generation happens locally in your browser. Your JSON never leaves your device.

Can I use this for API responses?

Absolutely. Paste REST or GraphQL JSON responses to scaffold TypeScript definitions for your project.