SageThumbs - SageThumbs is a powerful shell extension allowing to preview enormous amount of image formats...
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Icaros - Icaros is a collection of lightweight, high quality, Windows Shell Extensions
XnConvert - XnConvert is an easy image converter for graphic files, photos and images available on Windows...
FastPreview - FastPreview was created in need of a usable ...
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.