About UPX
UPX is a portable executable packer that compresses programs and libraries in several executable formats. It can reduce the size of Windows applications and DLLs, as well as supported macOS and Linux executables, helping make files smaller for storage or distribution. Packed programs remain self-contained and generally run as before without a separate runtime or memory penalty. UPX supports multiple executable formats and can be extended, making it useful for developers who need to reduce the size of compiled binaries. UPX is intended for developers and administrators managing executable files. Its focus is lossless packing and size reduction while retaining the ability to run supported binaries.
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