Fooocus is a graphical user interface built to simplify image generation with diffusion models. It integrates text-to-image and image-to-image pipelines, inpainting, batch export, and model switching into a single lightweight app. Designed for local or self-hosted use, Fooocus emphasizes speed, GPU acceleration, and easy parameter tuning so users can iterate quickly on prompts, styles, and image edits. It supports model management and common utilities like upscaling and seamless image-to-image conditioning, making it useful for concept art, rapid prototyping, and personal creative workflows without requiring deep ML expertise.