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# Stable Diffusion web UI
A browser interface based on Gradio library for Stable Diffusion.
![](screenshot.png)
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## Feature showcase
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[Detailed feature showcase with images, art by Greg Rutkowski ](https://github.com/AUTOMATIC1111/stable-diffusion-webui-feature-showcase )
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- Original txt2img and img2img modes
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- One click install and run script (but you still must install python and git)
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- Outpainting
- Inpainting
- Prompt matrix
- Stable Diffusion upscale
- Attention
- Loopback
- X/Y plot
- Textual Inversion
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- Extras tab with:
- GFPGAN, neural network that fixes faces
- RealESRGAN, neural network upscaler
- ESRGAN, neural network with a lot of third party models
- Resizing aspect ratio options
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- Sampling method selection
- Interrupt processing at any time
- 4GB videocard support
- Correct seeds for batches
- Prompt length validation
- Generation parameters added as text to PNG
- Tab to view an existing picture's generation parameters
- Settings page
- Running custom code from UI
- Mouseover hints fo most UI elements
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- Possible to change defaults/mix/max/step values for UI elements via text config
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- Random artist button
- Tiling support: UI checkbox to create images that can be tiled like textures
- Progress bar and live image generation preview
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- Negative prompt
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- Styles
- Variations
- Seed resizing
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- CLIP interrogator
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## Installing and running
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You need [python ](https://www.python.org/downloads/windows/ ) and [git ](https://git-scm.com/download/win )
installed to run this, and an NVidia videocard.
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You need `model.ckpt` , Stable Diffusion model checkpoint, a big file containing the neural network weights. You
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can obtain it from the following places:
- [official download ](https://huggingface.co/CompVis/stable-diffusion-v-1-4-original )
- [file storage ](https://drive.yerf.org/wl/?id=EBfTrmcCCUAGaQBXVIj5lJmEhjoP1tgl )
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- magnet:?xt=urn:btih:3a4a612d75ed088ea542acac52f9f45987488d1c& dn=sd-v1-4.ckpt& tr=udp%3a%2f%2ftracker.openbittorrent.com%3a6969%2fannounce& tr=udp%3a%2f%2ftracker.opentrackr.org%3a1337
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You optionally can use GFPGAN to improve faces, then you'll need to download the model from [here ](https://github.com/TencentARC/GFPGAN/releases/download/v1.3.0/GFPGANv1.3.pth ).
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To use ESRGAN models, put them into ESRGAN directory in the same location as webui.py. A file will be loaded
as model if it has .pth extension. Grab models from the [Model Database ](https://upscale.wiki/wiki/Model_Database ).
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> Note: RealESRGAN models are not ESRGAN models, they are not compatible. Do not download RealESRGAN models. Do not place
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RealESRGAN into the directory with ESRGAN models. Thank you.
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### Automatic installation/launch
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- install [Python 3.10.6 ](https://www.python.org/downloads/windows/ ) and check "Add Python to PATH" during installation. You must install this exact version.
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- install [git ](https://git-scm.com/download/win )
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- place `model.ckpt` into webui directory, next to `webui.bat` .
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- _*(optional)*_ place `GFPGANv1.3.pth` into webui directory, next to `webui.bat` .
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- run `webui-user.bat` from Windows Explorer. Run it as normal user, ** *not*** as administrator.
#### Troubleshooting
- if your version of Python is not in PATH (or if another version is), edit `webui-user.bat` , and modify the
line `set PYTHON=python` to say the full path to your python executable, for example: `set PYTHON=B:\soft\Python310\python.exe` .
You can do this for python, but not for git.
- if you get out of memory errors and your video-card has a low amount of VRAM (4GB), use custom parameter `set COMMANDLINE_ARGS` (see section below)
to enable appropriate optimization according to low VRAM guide below (for example, `set COMMANDLINE_ARGS=--medvram --opt-split-attention` ).
- to prevent the creation of virtual environment and use your system python, use custom parameter replacing `set VENV_DIR=-` (see below).
- webui.bat installs requirements from files `requirements_versions.txt` , which lists versions for modules specifically compatible with
Python 3.10.6. If you choose to install for a different version of python, using custom parameter `set REQS_FILE=requirements.txt`
may help (but I still recommend you to just use the recommended version of python).
- if you feel you broke something and want to reinstall from scratch, delete directories: `venv` , `repositories` .
- if you get a green or black screen instead of generated pictures, you have a card that doesn't support half precision
floating point numbers (Known issue with 16xx cards). You must use `--precision full --no-half` in addition to command line
arguments (set them using `set COMMANDLINE_ARGS` , see below), and the model will take much more space in VRAM (you will likely
have to also use at least `--medvram` ).
- installer creates python virtual environment, so none of installed modules will affect your system installation of python if
you had one prior to installing this.
- About _"You must install this exact version"_ from the instructions above: you can use any version of python you like,
and it will likely work, but if you want to seek help about things not working, I will not offer help unless you this
exact version for my sanity.
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#### How to run with custom parameters
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It's possible to edit `set COMMANDLINE_ARGS=` line in `webui.bat` to run the program with different command line arguments, but that may lead
to inconveniences when the file is updated in the repository.
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The recommndended way is to use another .bat file named anything you like, set the parameters you want in it, and run webui.bat from it.
A `webui-user.bat` file included into the repository does exactly this.
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Here is an example that runs the prgoram with `--opt-split-attention` argument:
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```commandline
@echo off
set COMMANDLINE_ARGS=--opt-split-attention
call webui.bat
```
Another example, this file will run the program with custom python path, a different model named `a.ckpt` and without virtual environment:
```commandline
@echo off
set PYTHON=b:/soft/Python310/Python.exe
set VENV_DIR=-
set COMMANDLINE_ARGS=--ckpt a.ckpt
call webui.bat
```
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### What options to use for low VRAM video-cards?
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You can, through command line arguments, enable the various optimizations which sacrifice some/a lot of speed in favor of
using less VRAM. Those arguments are added to the `COMMANDLINE_ARGS` parameter, see section above.
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Here's a list of optimization arguments:
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- If you have 4GB VRAM and want to make 512x512 (or maybe up to 640x640) images, use `--medvram` .
- If you have 4GB VRAM and want to make 512x512 images, but you get an out of memory error with `--medvram` , use `--medvram --opt-split-attention` instead.
- If you have 4GB VRAM and want to make 512x512 images, and you still get an out of memory error, use `--lowvram --always-batch-cond-uncond --opt-split-attention` instead.
- If you have 4GB VRAM and want to make images larger than you can with `--medvram` , use `--lowvram --opt-split-attention` .
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- If you have more VRAM and want to make larger images than you can usually make (for example 1024x1024 instead of 512x512), use `--medvram --opt-split-attention` . You can use `--lowvram`
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also but the effect will likely be barely noticeable.
- Otherwise, do not use any of those.
### Running online
Use `--share` option to run online. You will get a xxx.app.gradio link. This is the intended way to use the
program in collabs.
Use `--listen` to make the server listen to network connections. This will allow computers on local newtork
to access the UI, and if you configure port forwarding, also computers on the internet.
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Use `--port xxxx` to make the server listen on a specific port, xxxx being the wanted port. Remember that
all ports below 1024 needs root/admin rights, for this reason it is advised to use a port above 1024.
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Defaults to port 7860 if available.
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### Google collab
If you don't want or can't run locally, here is google collab that allows you to run the webui:
https://colab.research.google.com/drive/1Iy-xW9t1-OQWhb0hNxueGij8phCyluOh
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### Textual Inversion
To make use of pretrained embeddings, create `embeddings` directory (in the same palce as `webui.py` )
and put your embeddings into it. They must be .pt files, each with only one trained embedding,
and the filename (without .pt) will be the term you'd use in prompt to get that embedding.
As an example, I trained one for about 5000 steps: https://files.catbox.moe/e2ui6r.pt; it does not produce
very good results, but it does work. Download and rename it to Usada Pekora.pt, and put it into embeddings dir
and use Usada Pekora in prompt.
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### How to change UI defaults?
After running once, a `ui-config.json` file appears in webui directory:
```json
{
"txt2img/Sampling Steps/value": 20,
"txt2img/Sampling Steps/minimum": 1,
"txt2img/Sampling Steps/maximum": 150,
"txt2img/Sampling Steps/step": 1,
"txt2img/Batch count/value": 1,
"txt2img/Batch count/minimum": 1,
"txt2img/Batch count/maximum": 32,
"txt2img/Batch count/step": 1,
"txt2img/Batch size/value": 1,
"txt2img/Batch size/minimum": 1,
```
Edit values to your liking and the next time you launch the program they will be applied.
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### Manual installation
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Alternatively, if you don't want to run webui.bat, here are instructions for installing
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everything by hand. This can run on both Windows and Linux (if you're on linux, use `ls`
instead of `dir` ).
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```bash
# install torch with CUDA support. See https://pytorch.org/get-started/locally/ for more instructions if this fails.
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pip install torch --extra-index-url https://download.pytorch.org/whl/cu113
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# check if torch supports GPU; this must output "True". You need CUDA 11. installed for this. You might be able to use
# a different version, but this is what I tested.
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python -c "import torch; print(torch.cuda.is_available())"
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# clone web ui and go into its directory
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git clone https://github.com/AUTOMATIC1111/stable-diffusion-webui.git
cd stable-diffusion-webui
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# clone repositories for Stable Diffusion and (optionally) CodeFormer
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mkdir repositories
git clone https://github.com/CompVis/stable-diffusion.git repositories/stable-diffusion
git clone https://github.com/CompVis/taming-transformers.git repositories/taming-transformers
git clone https://github.com/sczhou/CodeFormer.git repositories/CodeFormer
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git clone https://github.com/salesforce/BLIP.git repositories/BLIP
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# install requirements of Stable Diffusion
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pip install transformers==4.19.2 diffusers invisible-watermark --prefer-binary
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# install k-diffusion
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pip install git+https://github.com/crowsonkb/k-diffusion.git --prefer-binary
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# (optional) install GFPGAN (face resoration)
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pip install git+https://github.com/TencentARC/GFPGAN.git --prefer-binary
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# (optional) install requirements for CodeFormer (face resoration)
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pip install -r repositories/CodeFormer/requirements.txt --prefer-binary
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# install requirements of web ui
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pip install -r requirements.txt --prefer-binary
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# update numpy to latest version
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pip install -U numpy --prefer-binary
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# (outside of command line) put stable diffusion model into web ui directory
# the command below must output something like: 1 File(s) 4,265,380,512 bytes
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dir model.ckpt
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# (outside of command line) put the GFPGAN model into web ui directory
# the command below must output something like: 1 File(s) 348,632,874 bytes
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dir GFPGANv1.3.pth
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```
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> Note: the directory structure for manual instruction has been changed on 2022-09-09 to match automatic installation: previosuly
> webui was in a subdirectory of stable diffusion, now it's the reverse. If you followed manual installation before the
> chage, you can still use the program with you existing directory sctructure.
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After that the installation is finished.
Run the command to start web ui:
```
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python webui.py
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```
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If you have a 4GB video card, run the command with either `--lowvram` or `--medvram` argument:
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```
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python webui.py --medvram
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```
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After a while, you will get a message like this:
```
Running on local URL: http://127.0.0.1:7860/
```
Open the URL in browser, and you are good to go.
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### Windows 11 WSL2 instructions
Alternatively, here are instructions for installing under Windows 11 WSL2 Linux distro, everything by hand:
```bash
# install conda (if not already done)
wget https://repo.anaconda.com/archive/Anaconda3-2022.05-Linux-x86_64.sh
chmod +x Anaconda3-2022.05-Linux-x86_64.sh
./Anaconda3-2022.05-Linux-x86_64.sh
# Clone webui repo
git clone https://github.com/AUTOMATIC1111/stable-diffusion-webui.git
cd stable-diffusion-webui
# Create and activate conda env
conda env create -f environment-wsl2.yaml
conda activate automatic
# (optional) install requirements for GFPGAN (upscaling)
wget https://github.com/TencentARC/GFPGAN/releases/download/v1.3.0/GFPGANv1.3.pth
```
After that follow the instructions in the `Manual instructions` section starting at step `:: clone repositories for Stable Diffusion and (optionally) CodeFormer` .
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### img2img alterantive test
- find it in scripts section
- put description of input image into the Original prompt field
- use Euler only
- recommended: 50 steps, low cfg scale between 1 and 2
- denoising and seed don't matter
- decode cfg scale between 0 and 1
- decode steps 50
- original blue haired woman close nearly reproduces with cfg scale=1.8
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## Credits
- Stable Diffusion - https://github.com/CompVis/stable-diffusion, https://github.com/CompVis/taming-transformers
- k-diffusion - https://github.com/crowsonkb/k-diffusion.git
- GFPGAN - https://github.com/TencentARC/GFPGAN.git
- ESRGAN - https://github.com/xinntao/ESRGAN
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- Ideas for optimizations - https://github.com/basujindal/stable-diffusion
- Cross Attention layer optimization - https://github.com/Doggettx/stable-diffusion
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- Idea for SD upscale - https://github.com/jquesnelle/txt2imghd
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- CLIP interrogator idea and borrowing some code - https://github.com/pharmapsychotic/clip-interrogator
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- Initial Gradio script - posted on 4chan by an Anonymous user. Thank you Anonymous user.
- (You)