REACTOR - Face Swap for A1111 - Full Guide! Better than Roop!

Olivio Sarikas
27 Oct 202311:58

TLDRIn this video, the presenter introduces Reactor, a new tool for face swapping, and guides viewers through its installation process, emphasizing the importance of having Visual Studio 22 installed. The tutorial covers various methods for using Reactor, including text to image, image to image, and inpainting for face swapping, offering tips for achieving the best results. The video also unveils a surprise: a gradient input method for enhancing image quality, demonstrating its effectiveness through a detailed workflow. The presenter encourages viewers to download the resources and continue exploring these techniques.


  • 🎤 The speaker introduces themselves as 'Reactor', the new master of face swapping and mentions their previous role as an AI gangster hip-hop rapper.
  • 🔧 It's essential to have Visual Studio 22 installed, and instructions are provided for downloading the community version and updating the existing version.
  • 🌐 The GitHub page of the Reactor extension is referenced for further guidance on compatible Visual Studio versions.
  • 📂 Instructions are given on how to install the Reactor extension via the extensions tab in Automatic 1111 or by using the command line.
  • 💻 A potential issue with the installation process is mentioned, where the 'inside face' folder might not be created, and a solution is offered.
  • 🖥️ Starting the web UI minus user allows the installation process to complete, which may involve downloading models and rebuilding the system.
  • 🏃 Once installed, Reactor's status can be checked in the command window of Automatic 1111 to ensure it's running without errors.
  • 🖼️ The process for text to image rendering with Reactor is explained, including the selection of faces and the adjustment of settings like 'codeformer' weight.
  • 🌟 Alternative methods for face swapping, such as image to image and inpainting, are discussed to save GPU time or for working with existing photos.
  • 🎨 A creative workflow for enhancing images using case sampling, upscaling, phase detailer, and sharpening is shared, demonstrating the potential for high-quality outputs.
  • 🎁 A surprise for patrons is mentioned, showcasing a gradient input and color sketch method that can be used for upscaling and detailing images.

Q & A

  • What is the main topic of the video?

    -The main topic of the video is about using the Reactor extension for face swapping in images and videos using Automatic 1111 and Visual Studio 22.

  • What is Reactor and how does it relate to face swapping?

    -Reactor is an extension that allows users to swap faces in images and videos. It is used within the Automatic 1111 software to create realistic face swaps by utilizing AI models.

  • What software is required to use Reactor?

    -To use Reactor, one must have Visual Studio 22 installed, specifically the Visual Studio Community 22 version and Visual Studio Build 222.

  • How can one download the Reactor extension?

    -The Reactor extension can be downloaded by visiting its GitHub page and following the instructions there, or by using the extensions tab inside Automatic 1111 and entering the URL provided.

  • What are the steps to troubleshoot if Reactor is not installing correctly?

    -If Reactor is not installing correctly, one should ensure that the 'inside face' folder is created inside the models folder in Automatic 1111. If issues persist, try closing down Automatic 1111, deleting the 'ven' folder, and restarting the software with the web UI minus user.

  • How does the text to image feature work with Reactor?

    -In the text to image feature, after generating the image with the desired resolution, users can load a face image into the Reactor section, choose the number of faces in the image, and adjust settings like the codeformer weight to achieve the desired effect. The AI then renders the phases onto the image, applying the swapped face.

  • What is the advantage of using the inpainting method over the image to image method?

    -The advantage of using the inpainting method is that it saves GPU time by only rendering and replacing the face in the image, without re-rendering the entire image. This is particularly useful for those with slower computers.

  • Why might someone choose to use Reactor over other face swapping tools like RP or Aur?

    -Reactor is a good choice because it works with a single image, does not require training like Aur, and is updated regularly. RP is no longer being updated and may not be available in some platforms like Comu ey.

  • What is the surprise revealed at the end of the video?

    -The surprise is a demonstration of creating high-quality images using a gradient input and a simple color sketch with the Automatic 1111 software, showcasing the potential of Reactor for detailed and high-resolution face swapping.

  • How can users access the downloads mentioned in the video?

    -Users can access the downloads in the YouTube membership section and on the creator's Patreon page.

  • What is the significance of the 'secret magic sauce' in the video?

    -The 'secret magic sauce' refers to a series of steps in the image enhancement process, including phase detailer, upscaling, and sharpening, which significantly improve the quality and detail of the final image.



🎵 Face Swapping with Reactor: Installation and Setup

The paragraph introduces the speaker's previous experience as an AI rapper and sets the stage for a discussion on face swapping using Reactor. It emphasizes the importance of having Visual Studio 22 installed and provides detailed instructions on how to download and update the necessary software. The speaker also mentions a surprise for Patron supporters and outlines the steps to install the Reactor extension from GitHub, including an alternative method using the command line. The paragraph concludes with troubleshooting tips for issues related to the Reactor installation and starting the web UI for the first time.


🖼️ Text-to-Image Rendering with Reactor: Enhancing Realism

This paragraph delves into the process of rendering text to image using Reactor, with a focus on achieving a high-resolution output. It explains the new interface within the software, where users can load an image, enable Reactor, and choose the number of faces for face swapping. The paragraph also discusses the 'code former' and 'gfp' options for further refining the facial expressions and details. The speaker shares their experience with the command window to check Reactor's status and presents a successful example of face application to a character.


🌟 Advanced Techniques for Face Swapping and Image Enhancement

The speaker presents various methods for face swapping and image enhancement, including image-to-image and inpainting techniques to save GPU time. They explain how to adjust noise strength and use the 'face' setting for more control over facial expressions. The paragraph also introduces a unique method using the original photo without any extension, suitable for replacing faces in old images or personal photos. The speaker addresses the limitations of other tools like RP and Aur, highlighting the advantages of Reactor. The paragraph concludes with a surprise reveal of a gradient input built for the audience, demonstrating a workflow that involves upscaling and sharpening to achieve high-quality images with detailed reflections and signs.




Reactor is a new master of face-swapping technology mentioned in the video. It is a software extension that allows users to swap faces in images or videos seamlessly. It is integral to the video's theme as it is the tool that enables the face-swapping demonstrations and tutorials provided by the speaker.

💡Face Swapping

Face swapping is the process of replacing one person's face with another's in a digital image or video. In the context of the video, it is the main technique being demonstrated and discussed, showcasing how to use Reactor for this purpose.

💡Visual Studio 22

Visual Studio 22 is a software development environment that is necessary for installing the Reactor extension. It is mentioned as a prerequisite for setting up the face-swapping tool, indicating its importance in the technical setup process.


GitHub is a web-based hosting service for version control and collaboration that is used to store and manage the Reactor extension's code. In the video, the speaker directs viewers to the Reactor's GitHub page to download the extension, highlighting its role in software distribution and collaboration.

💡Automatic 1111

Automatic 1111 is the software interface where the Reactor extension is installed and used. It serves as the platform for executing the face-swapping process and is central to the video's instructional content.


In the context of the video, models refer to the AI-generated templates or frameworks that are used for face-swapping. These models are essential for the Reactor extension to function correctly and produce realistic face swaps.

💡Web UI

Web UI stands for Web User Interface, which in this video refers to the graphical interface of Automatic 1111 that users interact with to perform tasks such as face swapping. It is the visual component of the software that allows users to navigate and operate the system.


Inpainting is a digital image editing process that involves filling in missing or selected parts of an image with content that matches the surrounding area. In the video, it is presented as an alternative method to image-to-image rendering that can save GPU time by only altering specific parts of an image, such as the face.

💡Latent Upscale

Latent Upscale is a technique used in AI image generation to increase the resolution of an image while maintaining or improving its quality. It is part of the process described in the video for enhancing the quality of the input images before performing face swapping.

💡Phase Detailer

Phase Detailer is a tool or technique used to enhance the details of the face or specific phases in an image, making them sharper and more defined. It is mentioned as part of the workflow for improving the quality of the face-swapped images.

💡Gradient Input

Gradient Input refers to the use of a gradient or a range of colors as the base input for an image generation process. In the video, the speaker demonstrates how to use gradient inputs creatively to produce high-quality images through a series of upscaling and detail enhancement steps.


Reactor is introduced as the new master of face swapping.

The importance of having Visual Studio 22 installed for the Reactor extension is emphasized.

Instructions on updating Visual Studio 22 through the Visual Studio installer are provided.

The GitHub page of the Reactor extension is mentioned for further installation guidance.

An alternative method for installing Reactor using the command window and Git is described.

A potential issue with the Reactor installation not creating the necessary 'inside face' folder is discussed.

The process of starting the web UI and potential troubleshooting steps are outlined.

The Reactor status can be checked in the command window to ensure proper functioning.

A detailed explanation of the text to image rendering process with Reactor is provided.

Instructions on how to apply the face to a specific part of the image using Reactor are given.

The use of different settings for the Reactor, such as 'code forer' and 'gfp', is discussed.

An alternative method for face swapping using image to image is presented.

The benefits of using inpainting to save GPU time on slower computers are explained.

A comparison of the quality between text to image, image to image, and inpainting methods is provided.

A fantastic surprise for Patreon supporters involving a gradient input build in Comfui is revealed.

The process of upscaling and detailing an image using a combination of techniques is demonstrated.