Type vs Interface in TypeScript: What's the Difference & When to Use Each?

TypeScript offers two powerful tools for defining the shape of data: type and interface. But what’s the difference between them, and when should you use one over the other? In this post, we'll cover everything you need to know about type vs interface, with examples, comparisons, and best practices.

May 8, 2025 - 10:59
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Type vs Interface in TypeScript: What's the Difference & When to Use Each?

TypeScript offers two powerful tools for defining the shape of data: type and interface. But what’s the difference between them, and when should you use one over the other?

In this post, we'll cover everything you need to know about type vs interface, with examples, comparisons, and best practices.