UPX
UPX is a high-performance executable packer for various executable formats.
UPX
UPX is a high-performance executable packer for various executable formats.
Data verified Jun 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.Charlotte - Charlotte is an undetected C++ shellcode launcher for executing shellcode with stealth. (Free)
2.PLCinject - PLCinject is a tool for injecting and patching blocks on PLCs with a call instruction. (Free)
3.Luyten - Java decompiler GUI tool for Procyon under Apache License. (Free)
4.SigThief - SigThief extracts digital signatures from signed PE files and appends them to other files to create invalid signatures for testing Anti-Virus detection mechanisms. (Free)
5.Windows Oneliners for Remote Code Execution - Collection of Windows oneliners for executing arbitrary code and downloading remote payloads. (Free)
Compare all UPX alternatives at https://cybersectools.com/alternatives/upx
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
Have more questions? Browse our categories or search for specific tools.
