ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Photoshop.com - Photoshop.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
piZap - Free online photo editing software.
Ralpha Image Resizer - High-speed image batch conversion tool
Phixr - Phixr is a free online photograph proofreader, an instrument for editing your photos in your web program.