# Other Extensions guide - Extension for Stable Diffusion on AWS

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# Other Extensions User Guide

## Extension ReActor for FaceSwap

You can open the ReActor tab session, combining native windows of txt2img or img2img with solution tab Amazon SageMaker Inference, to achieve faceswap feature on cloud.

### User Guide

Here is an example of using ReActor in txt2img to introduce the recommended steps. 1. Select a base model under Stable Diffusion Checkpoint Used on Cloud, the Generate button will automatically change to "generate on cloud". 2. Assuming you want to generate an image of a girl with the appearance of the Mona Lisa, fill in the prompt box with "a girl". 3. Open tab of ReActor, drag image of Mona Lisa into Single Source Image. 4. Click Generate on cloud, and result will be presented in Output session as below.

Reactor supports multi-face swapping simultaneously by specifying the index of the face. It also allows loading face models for swapping. For more detailed usage instructions, please refer to the extension documentation

## Extension Tiled Diffusion & Tiled VAE for Image Super Resolution

You can use tab of Tiled VAE, combining with native txt2img or img2img with solution tab Amazon SageMaker Inference, in order to achieve image super resolution work.

### User Guide

By utilizing these two extensions, it is able to generate ultra-high-resolution images within limited VRAM. Here, we'll take the example of using these extensions in txt2img to demonstrate how to perform super-resolution inference:

1. Select a base model under Stable Diffusion Checkpoint Used on Cloud, the Generate button will automatically change to "generate on cloud".
2. Assuming you want to generate an image of a cat, fill in the prompt box with "a cat".
3. Open Tiled Diffusion Hires.fix, and set the upscaling factor to 4x for super-resolution.
4. Open Tiled VAE，Enable Tiled VAE, you can generate the image using the default parameters.
5. Click Generate on cloud, and result will be presented in Output session.

Tiled Diffusion supports setting different prompts for different regions to generate ultra-high-resolution images. For detailed usage instructions, please refer to the extension documentation