---
title: Convert a ReadableStream to an ArrayBuffer
sidebarTitle: Stream to ArrayBuffer
mode: center
---

Bun provides a number of convenience functions for reading the contents of a [`ReadableStream`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream) into different formats.

```ts
const stream = new ReadableStream();
const buf = await Bun.readableStreamToArrayBuffer(stream);
```

---

See [Docs > API > Utils](/docs/runtime/utils#bun-readablestreamto) for documentation on Bun's other `ReadableStream` conversion functions.