Shrink O’Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs.
Simply drag and drop images and they’ll be resized as you wish! Options allow you to choose the output sizes, names and formats. Note! The resized images will be stored in the same directory as the originals (in case you wonder where they went…).
A very handy tool for all bloggers and on-line publishers.
To install visit their website. If you want to play around with the code the developers have also made some classes used in this project available.