picprep - command-line utility for batch processing images
Version: 1.1.0picprep is a command-line utility for batch processing digital images. It allows for scaling by absolute size, percentage of original size, changing the bitdepth, change the fileformat ( jpg and png only at this point )...
Operating System: Mac OS X
It's very useful for processing an entire directory of images with little fuss, great for shrinking those digital photos down to half-size when you want to share them with your friends.