JSON to TypeScript Interface Converter

Generate TypeScript interfaces from a sample JSON object

JSON Input

Interface Name

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Paste a sample JSON object to generate matching TypeScript interfaces, with nested objects converted into their own named interfaces and arrays typed accordingly. Copy the output directly into a TypeScript project for typed API responses and data models.

Raheel Jakhura

CEO / Co-Founder

Our goal is to provide online free tools so you don't have to install any software for basic usages. We are trying to add more tools and make these tools free forever.

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JSON to TypeScript Interface Converter

Generate TypeScript interfaces from a sample JSON object

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