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Gratis JSON to TypeScript Converter

Generate TypeScript interfaces or type aliases from any JSON object or array. Paste your JSON and get ready-to-use TypeScript types instantly.

Runs in your browserNo sign-up, no pop-upsIngen pålogging krevesGratis for alltid
export interface User {
  id: number;
  name: string;
  email: string;
  isActive: boolean;
  score: number;
  tags: string[];
  address?: null;
}

export interface Root {
  user: User;
  createdAt: string;
  version: number;
}

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Hvordan det fungerer

1
Gå inn
Skriv inn teksten eller dataene dine.
2
Prosess
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3
Last ned
Lagre resultatet. Ingenting er lagret.

Hvorfor bruke vår?

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Runs entirely in your browser — no uploads
Works on any device — phone, tablet, desktop
Open and ad-supported, with no tracking
Loads fast, with no installation needed

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