ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
JPEG Resampler - Jpeg Resampler, nástroj pro konverzi a zmÄ›nu velikosti obrázků, snadné použitÃ, zdarma
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
TruePNG - Command-line PNG optimizer.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
pngcrush - Pngcrush is an optimizer for PNG (Portable Network Graphics) files.