How does it infer TypeScript types?

It inspects string, number, boolean, array, and nested object values to generate accurate TS types.

Can I copy the generated interfaces directly into VS Code?

Yes, click Copy Result to paste valid export interface definitions into your project.

100% Client-Side • Zero Data Leaves Browser

Generate strongly-typed TypeScript interfaces automatically from any JSON API response.

Active Converter / Utility

Input Data Upload File

Output Result