ComfyUI-BiRefNet-ZHO is an enhanced, non-official implementation of the BiRefNet model designed for the ComfyUI platform. It leverages what is considered the best current open-source commercial model for background removal, capable of processing both images and videos. Unlike earlier versions that only generated simple masks, this plugin separates model loading from image processing to significantly increase speed. Key features include the direct output of transparent PNG images and the ability to handle video background removal, supporting batch processing for efficiency. The software provides dedicated nodes for loading models and executing background removal workflows. Installation requires the timm library and can be performed via ComfyUI Manager or manually by cloning the repository and installing dependencies. Users must download six specific model files to the designated models folder to utilize the full range of options. This tool is ideal for content creators and professionals requiring high-quality,