Extended Image Formats for ComfyUI

Adds a custom node for saving images in webp, jpeg, avif, jxl (no metadata) and supports loading workflows from saved images

Metadata is saved in UserComment(0x9286) field of Images,

Its formatted as

{
    "prompt": { Prompt data... }
    "workflow": { Workflow data... }
    "some_extra_pnginfo_field": {...}
}

Installation

Clone the repo inside your custom_nodes folder of ComfyUI

git clone https://github.com/kaanyalova/ComfyUI_ExtendedImageFormats

For avif support install pillow-avif-plugin, for jxl support install jxlpy to your venv

source ./venv/bin/activate
pip install pillow-avif-plugin jxlpy