---
title: Convert a Buffer to a blob
sidebarTitle: "Buffer to Blob"
mode: center
---

You can construct a [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) from an array of "chunks", where each chunk is a string, binary data structure (including `Buffer`), or another `Blob`.

```ts
const buf = Buffer.from("hello");
const blob = new Blob([buf]);
```

---

See [Binary Data](/docs/runtime/binary-data#conversion).