New answers tagged photo-management
I'm not sure this is exactly what you're looking for, but you should be able to do a Windows search based on dimensions. Search for files smaller than the original images and then you should be able to remove them. That, of course, is assuming that you don't want to save any smaller files.
If you're asking for GUI-driven software, then please note that you probably will have to look harder. I do not know of any. Now, For What It Is Worth: ExifTool (a command line utility) will do what you have described. That is at least to the level that it will copy/move all images it can find THAT HAS METADATA (e.g. EXIF) into a location that may depend on ...
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