Extended Image Formats for ComfyUI

Adds a custom node for saving images in webp, jpeg, avif, jxl (no metadata), DDS (external 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