UPX
UPX is a high-performance executable packer for various executable formats.
Data verified May 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.
UPX is a free Security Operations tool. This makes it accessible for organizations of all sizes, from startups to enterprises. Visit https://upx.sourceforge.net/ for download and installation instructions.
Popular alternatives to UPX include:
1.Attify Offensive IoT Exploitation - Private training course for IoT device pentesting and exploitation (Commercial)
2.Nightwing DejaVM - Whole-system emulation environment for software dev, debugging, testing & security (Commercial)
3.Zenyard RE Agent - AI agent for in-depth binary analysis and reverse engineering assistance. (Commercial)
4.Boomerang Decompiler - An open source machine code decompiler that converts binary executables into readable C source code across multiple architectures and file formats. (Free)
5.Shellcode2PE - A Python script that converts shellcode into a PE32 or PE32+ file. (Free)
Compare these tools and more at https://cybersectools.com/categories/security-operations
UPX is for security teams and organizations that need Binary Analysis. It's particularly suitable for small to medium-sized teams looking for cost-effective solutions. Other Security Operations tools can be found at https://cybersectools.com/categories/security-operations
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