# Convert a Node.js Readable to an ArrayBuffer (/docs/guides/streams/node-readable-to-arraybuffer)

<!-- agent-signals: reading_time_min: 1 · est_tokens: 74 · updated: 2026-07-28 -->
Related: [Convert a ReadableStream to a string](/docs/guides/streams/to-string.md), [Convert a ReadableStream to JSON](/docs/guides/streams/to-json.md), [Convert a ReadableStream to a Blob](/docs/guides/streams/to-blob.md), [Convert a ReadableStream to a Buffer](/docs/guides/streams/to-buffer.md), [Convert a ReadableStream to an ArrayBuffer](/docs/guides/streams/to-arraybuffer.md), [Convert a ReadableStream to a Uint8Array](/docs/guides/streams/to-typedarray.md)

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();
```