UPX is described as '(Ultimate Packer for eXecutables) achieves an excellent compression ratio and offers very fast decompression. Your executables suffer no memory overhead or other drawbacks for most of the formats supported, because of in-place decompression' and is a File Compressor in the file management category. There are more than 10 alternatives to UPX for a variety of platforms, including Windows, Linux, Web-based, PortableApps.com and Wine apps. The best UPX alternative is FileOptimizer, which is both free and Open Source. Other great apps like UPX are Appetize.io, ExEinfo PE, Themida and FUPX.
FileOptimizer is a lossless file size optimizer supporting AIR, APK, APNG APPX, BMP, CBZ, DOCX, DLL, EPUB, EXE, GIF, GZ, ICO, JAR, JPEG, MNG, MP3, MPP, PNG, PPTX, ODT, OGG, OGV, PDF, PUB, SCR, SWF, TIF, VSD, WEBP, XAP, XLSX, and ZIP file formats among others.
FileOptimizer is the most popular Windows alternative to UPX.
FileOptimizer is the most popular Open Source & free alternative to UPX.
Run iOS & Android Apps in the Browser for Preview, Support, Demos, Testing and Automation using the fastest emulators and simulators. Try the instant online demo at https://appetize.io
Appetize.io is the most popular Web-based & SaaS alternative to UPX.
Packer, compressor detector / unpack info / internal exe tools.
Internal Tools and Ripper Menu :
Borland Delphi ( 2.0 - 7.0 ) Microsoft Visual C++ ver. 5,6,7,8.0 UPX exe/ dll 0.89.6 - 1.02 / 1.05 -3.03 -> Markus & Laszlo Aspack v2.12 -> Alexey Solodovnikov EXECrypto.
Exeinfo PE detects the type of packer/compiler etc. used by an executable, but UPX actually "packs" the executable.
Advanced Windows software protection system, developed for software developers who wish to protect their applications against advanced reverse engineering and software cracking.
The main purpose (and intention) of upx is to compress files. The main purpose (and intention) of themida is to obfuscate files and to unnecessarily add a few MB (bloatware).
Themida is the most popular commercial alternative to UPX.
Graphical interface for the UPX packer which offers easy access to all documented and undocumented UPX parameters without the need for command line usage.
kkrunchy is a small exe packer primarily meant for 64k intros. It's relatively useless for anything else actually, because the depacker was relatively slow in older releases (about 1-2MB per second on my machine) and is dog slow in the newest version (about 90-120k per...
ASPack is an advanced solution created to provide Win32 EXE file packing and to protect them against non-professional reverse engineering.
Alienyze is a software packer and protection solution for native Windows 32-bit executable files. Alienyze allows developers to easily protect their software aginest cracking and reverse engineering, while also providing additional features such as executable compression...
WWPack32 - Windows executable files compressor and protector. Compressed exe and dll files run exactly as before!. This program squeezes exe files and protects Win32 applications from cracking.
Crinkler is an executable file compressor (or rather, a compressing linker) for Windows specifically targeted towards executables with a size of just a few kilobytes. As of 2020, it is the most widely used tool for compressing 1k/4k/8k intros.
A library for some loosely related Microsoft compression formats, CAB, CHM, HLP, LIT, KWAJ and SZDD.
cabextract is the most popular Mac & Linux alternative to UPX.
PECompact is an advanced Windows executable compressor for use by software developers and vendors. Executable packers compress executable modules (EXE, DLL, etc..) so that their physical size is considerably smaller.
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Why is it in alternatives? It does not pack executables.