The Adjust Cover action allows for resizing and/or changing the image format of embedded cover art.

You can choose between Original, JPEG, and PNG image formats where Original just keeps the image format of the embedded cover.

Quality specifies the target quality of the image.

If Size is enabled, the image is resized using the given size in pixels and one of the given strategies:

max. size treats the given size as the possible maximum width and height in pixels of the embedded cover image. If the cover is smaller than the size provided, the size of the cover is not changed.

min. size treats the given size as the desired minimum width and height in pixels of the embedded cover image. That is, the smallest of either width or height is targeted to match the size provided.

Scale Proportionally keeps the original aspect ratio of the image, Scale to Square ignores the aspect ratio while scaling, and Crop to Square removes parts of the image while focusing on the center.