ImageOptim - Faster web pages and apps.
JPEG Resampler - Jpeg Resampler, nástroj pro konverzi a změnu velikosti obrázků, snadné použití, zdarma
FILEminimizer Pictures - FILEminimizer Pictures compresses JPEG photos, TIFF, BMP and PNG images and pictures by up to 98%.
TruePNG - Command-line PNG optimizer.
Shrink O'Matic - Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images.
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.