Win32 port of jpegoptim, open source jpeg optimization/compression tool by Timo Kokkonen.
jpegoptim is a utility for optimizing JPEG files that provides lossless optimization (based on optimizing the Huffman tables) and "lossy" optimization based on setting a maximum quality factor
Author: Vikas Kapadiya
PS: We also provide 64 bit binaries. Thanks to Michele Locati for the script