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Data utility

JSON to TypeScript

Infer TypeScript interfaces from JSON samples. Private by default, with all processing done in your browser.

Your result will appear here.
Ready — processing is local to this browser.
Private by design.BrowserBench does not upload, store, or inspect the data you paste into this tool.Explore all utilities →

How to use this tool

A quick json to typescript workflow

Infer TypeScript interfaces from JSON samples. Paste or enter your data, use the available controls, then copy or download the result when it is ready.