---
title: Convert a Node.js Readable to an ArrayBuffer
description: "Read a Node.js `Readable` stream into an `ArrayBuffer` by wrapping it in a `Response` and calling `.arrayBuffer()`."
sidebarTitle: Readable to ArrayBuffer
mode: center
---

To convert a Node.js `Readable` stream to an `ArrayBuffer` in Bun, create a `Response` with the stream as the body, then call `arrayBuffer()`.

```ts
import { Readable } from "stream";
const stream = Readable.from(["Hello, ", "world!"]);
const buf = await new Response(stream).arrayBuffer();
```