jpegoptim is a utility for optimizing JPEG files. It provides lossless
optimization (based on optimizing the Huffman tables) and "lossy"
optimization based on setting a maximum quality factor.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
The -T/--threshold option was added to set the minimum optimization gain needed before a file is optimized. The default is to optimize if gain is even just one byte. Some minor fixes were also done.