UPX

lastmod 2024-09-23created 2014-09-243 edits

UPX - the Ultimate Packer for eXecutables

UPX (Ultimate Packer for eXecutables) is an open-source executable compression program that supports many file formats across multiple operating systems. It is free software released under the GNU General Public License. It handles both compression and decompression.

See also

• pyinstaller

Favorite site

• Wikipedia (en) article on UPX
• Github - upx/upx
• Reducing the size of executables built with Pyinstaller using UPX