No. The generator runs entirely in your browser.

Does it handle nested objects?

Yes — creates a named interface for each nested object at any depth.

How are arrays handled?

Arrays generate typed entries like string[] or User[] interface arrays.

Null fields are typed as null or an optional union depending on your settings.

Yes — a property named users automatically generates a User interface.

Paste any JSON and instantly generate clean TypeScript interfaces. Handles nested objects, arrays, null values, and optional

Your files never leave your device. Processed locally. 100% private.

Unlocking Tool Engine...

Complete your task perfectly in just three straightforward steps.

Paste your JSON response or object into the input panel.

Toggle export keyword, optional fields, semicolons, and naming style.

Copy the generated interfaces to your clipboard.

Everything you need to know about the JSON to TypeScript Interfaces.

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