ComfyUI SaveImage Extra

Custom node for ComfyUI that saves images with extra metadata (model name, seed, prompt, etc.) as PNG text chunks.

Installation

1. Clone this repo into your ComfyUI/custom_nodes/ folder:

   cd ComfyUI/custom_nodes
   git clone https://github.com/microcoder/comfyui-saveimage-extra.git

2. Restart ComfyUI

Nodes

• Combine Extra Data — collects parameters into a JSON string and are located in the utils category
• Save Image Extra — saves image with custom metadata in PNG and are located in the image category

Use Cases

For example (Download the workflow):

Then you can see the metadata in the PNG image:

License

MIT