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We've compiled a list of 11 free and paid alternatives to UPX. The primary competitors include WWPack32, Free UPX. In addition to these, users also draw comparisons between UPX and ExEinfo PE, PECompact, UPX Graphical. Also you can look at other similar options here: File Management Tools.


WWPack32 - Windows executable files compressor and protector.

Graphical interface for the UPX packer which offers easy access to all documented and undocumented...

Packer, compressor detector / unpack info / internal exe tools.

PECompact is an advanced Windows executable compressor for use by software developers and vendors.

Graphical GUI incl UPX 3.07 and a scrambler. Support Drag & Drop and context-menu.

Crinkler is an executable file compressor (or rather, a compressing linker) for Windows...

VMProtect Ultimate - All-In-One Solution For Software Licensing And Protection.

ASPack is an advanced solution created to provide Win32 EXE file packing and to protect them...

kkrunchy is a small exe packer primarily meant for 64k intros.

Advanced Windows software protection system, developed for software developers who wish to protect...

UPX (Ultimate Packer for eXecutables) achieves an excellent compression ratio and offers very fast...

UPX Platforms

tick-square Linux
tick-square Mac
tick-square Windows

UPX Overview

UPX (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.

UPX Features

tick-square Compression
tick-square File Compression

Top UPX Alternatives

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UPX Tags

packer compressor

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