Paste JSON data and the tool analyzes the structure, generating TypeScript interfaces with correct types for strings, numbers, booleans, arrays, and nested objects.

Does it handle nested objects?

Yes. Nested objects generate separate interfaces that reference each other.

JSON to TypeScript

Convert JSON objects to TypeScript interfaces instantly. Generate type-safe code.

How to use: Paste JSON to generate TypeScript interfaces — copy the output.

Root interface name:

JSON

TypeScript

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

JSON to TypeScript Interface Generator

Paste any JSON object and get TypeScript interfaces generated automatically. The tool handles nested objects, arrays, and all primitive types. Customize the root interface name.

Frequently Asked Questions

How does it work?: Paste JSON data and the tool analyzes the structure, generating TypeScript interfaces with correct types for strings, numbers, booleans, arrays, and nested objects.
Does it handle nested objects?: Yes. Nested objects generate separate interfaces that reference each other.