Stuffit Deluxe is a file compression and management tool. This application allows you to do much more than just compress and decompress your files. It has a lot of extra features. Stuffit allows you to compress all your files and password protect them. It also remembers the locations of all your files, so that you don't have to remember yourself. One of Stuffit's great features is JPEG compression, which allows you to compress JPG images by 30% without losing any quality at all. This application comes with a great array of plug-ins which allow it to communicate with other applications, like PhotoShop, Internet Explorer, and more, so that you can access your compressed files from anywhere. You can even use the built-in burning engine to burn your data to CD or DVD. There is also compression for popular files like MP3 and PDF, which can be compressed with no loss in quality. StuffIt Deluxe also works with your antivirus software to protect you when you expand files. This application will open other popular compression formats as well.