Trim transparent padding
Remove empty transparent edges around supported artwork and image exports without choosing the crop by hand.
Remove transparent or uniform borders automatically and save a tighter copy, without adjusting a crop box for every image.
Included with MenuSmith · macOS 14 or later

Less margin, more image
Exports and product images often come with more surrounding space than you need. Auto Crop Image finds removable borders around the content.
Remove empty transparent edges around supported artwork and image exports without choosing the crop by hand.
Use uniform-background detection for images surrounded by a consistent border, or let Automatic choose the appropriate approach.
Crop multiple images together. New copies are created for images with removable borders; images without them are left alone.
Start with Automatic detection and Balanced color tolerance. Adjust the same Action in the Inspector for transparent padding or uniform backgrounds.
Trim unnecessary borders directly from Finder.