Modern copies of Windows and OS X have native croppable screenshot apps that save to your hard drive, so I imagine there's a Linux variant on this idea as well.

Modern copies of Windows and OS X have native croppable screenshot apps that save to your hard drive, so I imagine there's a Linux variant on this idea as well. The convenience here appears to be saving the additional step that I always end up taking, of opening up imgur.com and uploading the image there.