UPX Tool 1.1.1 UPX Tool is a GUI for the popular UPX EXE Compressor. This program compresses the size of executable files. It works for DOS programs, and DLL's. Also reductions of over 50% are often possible.Requirements:Windows 95/98/Me/NT/2000/XP/2003... 7 May 15 in File Compression, Disk & File Software Windows read more