WinHKI is a free compression program for file compression, encryption, and data backup. WinHKI can easily create archives and protect them with a password. WinHKI makes data-files very small. With WinHKI you will be able to extract files from hki1-3, zip, ace, arc, arj, bh, cab, gzip, jar, lha, rar, tar and zoo archivies. WinHKI is available for Windows 98, ME, 2000, XP and Vista.