upx

# upx Plugin Ultimate Packer for eXecutables. Compresses binaries in place (or to a new file) using fast in-memory decompression at startup — common for shipping smaller CLI tools, firmware images, and release artifacts. ## Installation ```bash apt install upx # or: brew install upx, pacman -S upx ``` ## Basic Usage ```bash # Compress an executable in place upx mybinary # Compress to a new file (keep original) upx -o mybinary.compressed mybinary # Decompress back to original upx -d mybinary # Show compression info without modifying upx -l mybinary ``` ## Common Patterns ```bash # Best compression (slower, smaller) upx --best mybinary # Compress all executables in a directory upx ./dist/* # Test compressed binary integrity upx -t mybinary # List supported formats upx --help ``` ## Usage Examples - "Shrink this Go binary before release" - "Compress all binaries in ./dist" - "Decompress this UPX-packed executable" ## SuperCLI ```bash sc upx _ _ --best mybinary sc upx _ _ -l mybinary sc plugins learn upx ```