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---
name: Convert a Blob to a Uint8Array
---
The [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) class provides a number of methods for consuming its contents in different formats. This snippets reads the contents to an `ArrayBuffer`, then creates a `Uint8Array` from the buffer.
```ts
const blob = new Blob(["hello world"]);
const arr = new Uint8Array(await blob.arrayBuffer());
```
---
See [Docs > API > Binary Data](/docs/api/binary-data#conversion) for complete documentation on manipulating binary data with Bun.
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