I hear what you're saying, but take the two on the left. Both have the exact same dimensions inputed, are cleanly cropped, but very different in height. Here is the link to the actual board.
https://www.modulargrid.net/p/pedalboards/view/1091948
It seems like the algorithm is not accounting for the actual image size correctly. This is an amazing utility, just was wondering if this is a known problem.