Free UPX is an advanced graphical interface for the
UPX (Ultimate Packer for eXecutables).
It allows you to compress (and decompress) files produced according to
Microsoft Portable Executable and COFF Specification (
EXE,
DLL, OCX, BPL, CPL and other). It offers easy access to all documented and
undocumented UPX parameters without the need for command line usage.
The
Free UPX interface is very simple and user-friendly. To compress executable files, just drag & drop them into main window, select proper profile from list, and click the COMPRESS button.
Free UPX is designed for UPX 3.02w - the last stable version in April 2008.
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