# How to use extensions in Automatic1111

## **What are extensions?** <a href="#what-are-extensions" id="what-are-extensions"></a>

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Some popular extensions include: *ReActor faceswap, ADetailer, AnimateDiff, AgentScheduler, ControlNet, Deforum, Infinite Zoom, Inpaint Anything, Loopback Wave, Openpose Editor, Regional Prompter, SadTalker, Temporal-Kit, Ultimate SD Upscale, and Wav2Lip Studio*. \
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**They're all preinstalled on Think Diffusion machines.**
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<figure><img src="https://learn.thinkdiffusion.com/content/images/2023/11/thinkdiffusion-automatic1111-extensions.webp" alt="" height="506" width="975"><figcaption></figcaption></figure>

Extensions are technically scripts, but you can think of them as helpful **modules/plugins created by the open source community** that enhance and extend functionality, ease of use, shape our workflows and make Stable Diffusion the most powerful AI art generator in the world.

## How do I install extensions in Automatic1111? <a href="#how-do-i-install-extensions" id="how-do-i-install-extensions"></a>

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Most extensions can be installed by user with the steps below:

* Open the Extensions Tab in Automatic1111 SD Web U
* In the Extension Tab Open the "Install from URL" tab
* Paste the extensions link into the URL input ( i.e. *<https://github.com/fkunn1326/openpose-editor.git>*)
* Press install and wait for it to complete
* Restart Automatic1111 by going to the extensions tab and clicking the "Apply and Restart" UI Button

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For complex extensions that require additional installation steps beyond the self-serve Extensions tab, we're here to help. Ping us a message in the ⁠[💡-feature-requests](https://discord.com/channels/1102237470457864282/1125256301581176872) Discord channel.
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