jpegoptim: jpegoptim (utility to optimize/compress JPEG files) jpegoptim: jpegoptim: jpegoptim is used to optimize/compress jpeg files. It supports jpegoptim: lossless optimization (based on optimizing the Huffman tables) and jpegoptim: so called "lossy" optimization where in addition to optimizing the jpegoptim: Huffman tables, the user can specify an upper limit for image quality, jpegoptim: or a target file size. jpegoptim: jpegoptim: jpegoptim: jpegoptim: