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---
name: Convert a Buffer to a blob
---

A [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) can be constructed 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 [Docs > API > Binary Data](/docs/api/binary-data#conversion) for complete documentation on manipulating binary data with Bun.
ns'>+42 2022-02-24Expose TextEncoder & TextDecoder globallyGravatar Jarred Sumner 3-20/+750 2022-02-24[Web Platform] Implement TextEncoder & TextDecoderGravatar Jarred Sumner 12-358/+1044 2022-02-24move GCDeferralContextGravatar Jarred Sumner 2-18/+24 2022-02-24[JS Parser] ensure assertions are never run at runtimeGravatar Jarred Sumner 1-13/+18 2022-02-24misc cleanupGravatar Jarred Sumner 2-7/+18 2022-02-22Make format consistent with WebKitGravatar Jarred Sumner 20-3596/+4110 2022-02-22import assertion testGravatar Jarred Sumner 1-0/+33 2022-02-22snaspshotsGravatar Jarred Sumner 42-94/+113