Is it possible to crop multiple pages or image files in the new Mavericks Preview application just as described in this answer?
The functionality was there with Snow Leopard but disappeared in Mountain Lion.
This is only possible when editing a pdf. It isn't possible to apply a single crop to many images that are in separate files. In order to do this, one way would be to
Note: if you're willing to use the command line, you might just want to use ImageMagick directly to crop all of the images.