Ashampoo® Photo Optimizer - Ashampoo Photo Optimizer 8 enhances your photos at the click of a button! The program fully automatically adjusts colors, contrasts and exposure settings to perfection for individual images or entire collections.
SageThumbs - SageThumbs is a powerful shell extension allowing to preview enormous amount of image formats...
TinyPNG - Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
Context Viewer - Context Viewer is an explorer extension in the form of a Control Panel applet that lets you preview...
iLoveIMG - iLoveIMG is one of most powerful solution that comes with all the major tool you cloud want to edit images in bulk.
FirmTools ShellExtension - FirmTools ShellExtension is a real handy freebie for Windows users.