JSON to TypeScript

Paste JSON and get TypeScript interfaces instantly

Root Interface Name

JSON Input

TypeScript Output

How to Use the JSON to TypeScript Converter

Paste JSON. Generates matching TypeScript interfaces with proper types. Copy and use.

Manual interface writing is tedious. Auto-infer types from JSON data.

Numbers, strings, booleans, nested objects, arrays.

Yes, separate interfaces for nested objects.

Yes, marks inconsistent properties.

Customize root interface name.