Feature to resize screenshot image to lower quality

May I ask if it's possible not to crop the image? One image is about 200KB, occupying space on the C drive.
Or cropping the image is optional.
Or the captured image size is smaller.

_Originally posted by @kimiyabi in https://github.com/alyssabedard/mpv2anki/discussions/1#discussioncomment-12877526_