JSON → TypeScript

Genera interfaces

Root name:Style:

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

export interface Address {
  city: string;
  zip: string;
}

Sobre esta herramienta

Paste any JSON sample and get strongly-typed TypeScript interfaces or types. Detects optional fields by merging arrays of objects with different shapes.

Características

interface or type output
Merges array elements into a single shape with optionals
Names nested types from their key
Quoted keys for non-identifiers

Cómo usarla

Paste a JSON example.
Set the root type name.
Copy the generated TypeScript.

🔒 100% privado

Todo sucede dentro de tu navegador usando JavaScript y WebAssembly. Tus archivos nunca se suben a un servidor, nunca se almacenan y nosotros nunca los vemos.

Preguntas frecuentes

Can it infer string literal unions?

Currently it produces 'string'; literal-union inference is on the roadmap.