---
name: Convert a Blob to an ArrayBuffer
---

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, including `.arrayBuffer()`.

```ts
const blob = new Blob(["hello world"]);
const buf = await blob.arrayBuffer();
```

---

See [Docs > API > Binary Data](/docs/api/binary-data#conversion) for complete documentation on manipulating binary data with Bun.

<select name='h' onchange='this.form.submit();'>
<option value='daily-summary'>daily-summary</option>
<option value='image-processing'>image-processing</option>
<option value='main' selected='selected'>main</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Unnamed repository; edit this file 'description' to name the repository.</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/ansg191/miniflux-ai/about/'>about</a><a href='/ansg191/miniflux-ai/'>summary</a><a href='/ansg191/miniflux-ai/refs/'>refs</a><a class='active' href='/ansg191/miniflux-ai/log/tests?follow=1'>log</a><a href='/ansg191/miniflux-ai/tree/tests'>tree</a><a href='/ansg191/miniflux-ai/commit/tests?follow=1'>commit</a><a href='/ansg191/miniflux-ai/diff/tests?follow=1'>diff</a></td><td class='form'><form class='right' method='get' action='/ansg191/miniflux-ai/log/tests'>
<select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/ansg191/miniflux-ai/log/?follow=1'>root</a>/<a href='/ansg191/miniflux-ai/log/tests?follow=1'>tests</a> (<a href='/ansg191/miniflux-ai/log/tests'>unfollow</a>)</div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/ansg191/miniflux-ai/log/tests?showmsg=1&amp;follow=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2024-11-17 13:26:13 -0800'>2024-11-17</span></td><td><a href='/ansg191/miniflux-ai/commit/Dockerfile?id=c3d7783b6113397f77a41c6ffd20376f69c5f4ff&amp;follow=1'>Add non-root user to Dockerfile and .dockerignore</a></td><td><img src='//www.gravatar.com/avatar/c6a991d84dc7c4c5fedbcfa26840a4a1?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Anshul Gupta
</td><td>2</td><td><span class='deletions'>-5</span>/<span class='insertions'>+71</span></td></tr>
<tr><td><span title='2024-11-17 13:24:46 -0800'>2024-11-17</span></td><td><a href='/ansg191/miniflux-ai/commit/core/image.py?id=4f2a445302056a4de201927060a1da7bfbd13f11&amp;follow=1'>Add extension check to images</a><span class='decoration'><a class='branch-deco' href='/ansg191/miniflux-ai/log/core/image.py?h=image-processing'>image-processing</a></span></td><td><img src='//www.gravatar.com/avatar/c6a991d84dc7c4c5fedbcfa26840a4a1?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Anshul Gupta
</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2024-11-15 14:20:23 -0800'>2024-11-15</span></td><td><a href='/ansg191/miniflux-ai/commit/requirements.txt?id=a9409f08bac76b041fda8675858290d915a183aa&amp;follow=1'>Add image processing and extra data to openai call</a><span class='decoration'></span></td><td><img src='//www.gravatar.com/avatar/c6a991d84dc7c4c5fedbcfa26840a4a1?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Anshul Gupta
</td><td>3</td><td><span class='deletions'>-0</span>/<span class='insertions'>+35</span></td></tr>
<tr><td><span title='2024-11-15 14:18:16 -0800'>2024-11-15</span></td><td><a href='/ansg191/miniflux-ai/commit/.github/workflows/docker-image.yml?id=cd2f847c940a5cf110d138a48d66d1140b76c4f8&amp;follow=1'>Improve docker CI build</a></td><td><img src='//www.gravatar.com/avatar/c6a991d84dc7c4c5fedbcfa26840a4a1?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Anshul Gupta
</td><td>1</td><td><span class='deletions'>-4</span>/<span class='insertions'>+19</span></td></tr>
<tr><td><span title='2024-10-12 01:08:06 +0800'>2024-10-12</span></td><td><a href='/ansg191/miniflux-ai/commit/tests/test_filter.py?id=92fa74553341d4cdac134b0cafdaf16fa94b3afa&amp;follow=1'>support Deny-/allow list wildcard url</a></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>5</td><td><span class='deletions'>-20</span>/<span class='insertions'>+170</span></td></tr>
<tr><td><span title='2024-09-21 15:59:57 +0800'>2024-09-21</span></td><td><a href='/ansg191/miniflux-ai/commit/main.py?id=2f366fed45a202db861ef1d869fef3899ee4b66b&amp;follow=1'>add logger, llm timeout/max_workers, replace deny/allow_list</a></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>3</td><td><span class='deletions'>-22</span>/<span class='insertions'>+53</span></td></tr>
<tr><td><span title='2024-08-20 02:15:49 +0800'>2024-08-20</span></td><td><a href='/ansg191/miniflux-ai/commit/README.md?id=d54442dec72fd8c22cee22ec43298db57f9d78b3&amp;follow=1'>Update README.md</a></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2024-08-20 02:10:22 +0800'>2024-08-20</span></td><td><a href='/ansg191/miniflux-ai/commit/README.md?id=309e685238c3865d0bc841efb78f80f8d6633c02&amp;follow=1'>Update README.md</a></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>1</td><td><span class='deletions'>-4</span>/<span class='insertions'>+93</span></td></tr>
<tr><td><span title='2024-08-19 22:51:28 +0800'>2024-08-19</span></td><td><a href='/ansg191/miniflux-ai/commit/main.py?id=722fbfc6849444a558d2362e4cfbc0ca27558ee5&amp;follow=1'>limit max_workers to 4</a><span class='decoration'><a class='tag-deco' href='/ansg191/miniflux-ai/tag/?h=v0.5.1'>v0.5.1</a></span></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2024-08-19 22:04:17 +0800'>2024-08-19</span></td><td><a href='/ansg191/miniflux-ai/commit/main.py?id=ff8e06f2d495497d111e45f368b6c3bb1f9088c1&amp;follow=1'>add timeout, add err handler</a><span class='decoration'><a class='tag-deco' href='/ansg191/miniflux-ai/tag/?h=v0.5'>v0.5</a></span></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2024-08-19 22:00:35 +0800'>2024-08-19</span></td><td><a href='/ansg191/miniflux-ai/commit/requirements.txt?id=9adf372d461ceee5d9fc3aef4429b262290636b4&amp;follow=1'>add timeout, add err handler</a></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>3</td><td><span class='deletions'>-9</span>/<span class='insertions'>+23</span></td></tr>
<tr><td><span title='2024-08-19 18:01:09 +0800'>2024-08-19</span></td><td><a href='/ansg191/miniflux-ai/commit/Dockerfile?id=b93e2a560743bc485b7a9245fdbe75ca4be7dbc2&amp;follow=1'>update python3.11</a><span class='decoration'><a class='tag-deco' href='/ansg191/miniflux-ai/tag/?h=v0.3.2'>v0.3.2</a></span></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2024-08-19 17:26:54 +0800'>2024-08-19</span></td><td><a href='/ansg191/miniflux-ai/commit/.github/workflows/docker-image.yml?id=e22316cfa0f1be2d1ac52d8992c98fd309e0e4f3&amp;follow=1'>add linux/arm64</a><span class='decoration'><a class='tag-deco' href='/ansg191/miniflux-ai/tag/?h=v0.3.1'>v0.3.1</a></span></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>1</td><td><span class='deletions'>-6</span>/<span class='insertions'>+5</span></td></tr>
<tr><td><span title='2024-08-19 16:50:11 +0800'>2024-08-19</span></td><td><a href='/ansg191/miniflux-ai/commit/requirements.txt?id=8f77416b1790b877cbbca1f1eca5d320c5a693fa&amp;follow=1'>Optimize, use yml</a><span class='decoration'><a class='tag-deco' href='/ansg191/miniflux-ai/tag/?h=v0.3'>v0.3</a></span></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>5</td><td><span class='deletions'>-85</span>/<span class='insertions'>+225</span></td></tr>
<tr><td><span title='2024-08-13 17:53:20 +0800'>2024-08-13</span></td><td><a href='/ansg191/miniflux-ai/commit/main.py?id=ed78d9a9006b367452dd8711176dc23330edc320&amp;follow=1'>add feed blacklist</a><span class='decoration'><a class='tag-deco' href='/ansg191/miniflux-ai/tag/?h=v0.21'>v0.21</a></span></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2024-08-13 17:18:13 +0800'>2024-08-13</span></td><td><a href='/ansg191/miniflux-ai/commit/main.py?id=da033799b724e0c7f67876d506a0ef942294c9ac&amp;follow=1'>fix loop</a></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2024-08-13 17:13:16 +0800'>2024-08-13</span></td><td><a href='/ansg191/miniflux-ai/commit/README.md?id=de63b40915513db766db3a54b873dfa415b41904&amp;follow=1'>Update README.md</a></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2024-08-13 17:04:45 +0800'>2024-08-13</span></td><td><a href='/ansg191/miniflux-ai/commit/main.py?id=45823047b71f5878726077f7cb40b70cee73a690&amp;follow=1'>fix env name &amp; docker image name</a></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>2</td><td><span class='deletions'>-3</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2024-08-13 16:43:34 +0800'>2024-08-13</span></td><td><a href='/ansg191/miniflux-ai/commit/requirements.txt?id=6f2537df2af55ebee65e44f986f40700efc753fa&amp;follow=1'>add loop; add docker image</a></td><td><img src='//www.gravatar.com/avatar/2204f1e1e1c67f82f643f14cc50497ea?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Qetesh
</td><td>6</td><td><span class='deletions'>-2</span>/<span class='insertions'>+80</span></td></tr>