TypeGen

Infer TypeScript types from sample data.

Paste JSON or CSV and TypeGen infers clean TypeScript interfaces (or a Zod schema), explains its assumptions, and flags ambiguous fields you should double-check.

Infer types

Demo mode (no AI)

Paste sample JSON or CSV

Output style

✨

Sample data to TS types

✨

Interfaces / type aliases / Zod

✨

Explain inferred assumptions

✨

Flag ambiguous fields