ZipGenius is a free zip utility that supports more than 20 file formats for compression and encoding, including OpenOffice.org documents, ZIP, RAR and 7-zip. It also has powerful backup features, which include "Mozilla Firefox/Thunderbird profile" backup option. ZipGenius is a perfect companion for digital photography lovers, because it also can show the thumbnails of pitcures stored in an archive, plus it can create self-playing slideshows and it can import pictures from TWAIN devices like flatbed scanners or digital cameras. Power encryption features: it can create also encrypted and/or self-decryptable zip archives by using the best algorhythms like Blowfish or Rijndael (AES).