Just a collection of utilities. Mostly bash scripts. Currently the tools are:jpegrescan - modified version ofhttp://akuvian.org/src/jpgcrush.tar.gzIt keeps EXIF data by default and supports arithmetic coding as welljpegfolder - script that uses jpegrescan on a given folder. keeps all EXIF data.Great for losslessly slimming down family photos.gzcrush - script that uses several utilities to create an extremely small gz file.Even smaller than zopfli I might add. The script has several dependencies:KZIP:http://advsys.net/ken/utils.htm orhttp://www.jonof.id.au/kenutilskzip2gz:http://encode.ru/threads/1630-kzip2gz-a-zip-(single-file-amp-deflate-compression)-to-gz-converterhuffmix:http://encode.ru/threads/1313-Huffmix-a-PNGOUT-r-catalystdeflopt:http://www.walbeehm.com/download/defluff:http://encode.ru/threads/1214-defluff-a-deflate-huffman-optimizerzipcrush - similar to gzcrush except it works on zip files. requires KZIP and ZIPMIX as well as deflopt and defluff.