UPX is a portable, free, extendable, high-performance executable packer for several different executable formats.
It achieves an excellent compression ratio and offers very fast decompression. Your executables suffer no memory overhead or other drawbacks.
UPX supports a number of different executable formats, including
Windows 95/98/ME/NT/2000/XP programs and DLLs, DOS programs,
and Linux executables.
Here are some key features of "UPX":
· Excellent compression ratio: typically compresses better than WinZip/zip/gzip, use UPX to decrease the size of your distribution !
· Very fas... [
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Note:
You are now downloading a GPL version of UPX.
You don't have to pay in order to use or download UPX. 
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