UPX
UPX is a high-performance executable packer for various executable formats.
Data verified Apr 2026
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UPX is an advanced executable file compressor that typically reduces the file size of programs and DLLs by around 50%-70%, making them self-contained and running exactly as before. It supports various executable formats including Windows, macOS, and Linux, is secure, offers excellent compression ratio, very fast decompression, and has no memory overhead for compressed executables.
UPX FAQ
Common questions about UPX including features, pricing, alternatives, and user reviews.
UPX is UPX is a high-performance executable packer for various executable formats. It is a Security Operations solution designed to help security teams with Binary Analysis.
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