The official way to get the extension is usually through platforms like or Itch.io . Once downloaded, installation is simple: Open Aseprite. Go to Edit > Preferences > Extensions .
Extract the zip file. Inside, you will find a file called RetroDiffusion.aseprite-extension .
Runs entirely on your computer's hardware. It requires a dedicated Nvidia or AMD graphics card (with at least 4GB–6GB of VRAM) and downloading the model weights package provided during purchase. Maximizing Your Pixel Art Workflow retro diffusion extension for aseprite download repack
After the script completes, you are ready to start generating pixel art with AI—directly inside Aseprite.
: After downloading the extension, you must use the "Setup Stable Diffusion Environment" script within Aseprite to install the necessary free AI components. The official way to get the extension is
Convert real-world photos or sketches into clean pixel art assets.
Because Retro Diffusion runs a local AI pipeline, your computer must meet certain hardware thresholds for optimal performance. Minimum Requirement Recommended Requirement Windows 10/11 (64-bit) Windows 10/11 or Linux CPU Intel i5 / AMD Ryzen 5 Intel i7 / AMD Ryzen 7 or better RAM 16 GB or more GPU NVIDIA GTX 1060 (4GB VRAM) NVIDIA RTX 3060 / 4060 (8GB+ VRAM) Storage 10 GB free space (SSD preferred) 20 GB free space on an SSD Extract the zip file
Retro Diffusion is not just a text-to-image generator; it is a comprehensive suite of AI-powered tools that can dramatically speed up your workflow. Here’s a breakdown of what you can do: