The Best 10 Free UPX Alternatives

  • FileOptimizer icon

    FileOptimizer

    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...

    Free Open Source Windows Linux

    Portable Drag n drop File compression
  • UPX icon

    UPX

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

    Free Open Source Mac OS X Windows Linux

  • ExEinfo PE icon

    ExEinfo PE

    Packer, compressor detector / unpack info / internal exe tools. Internal Tools and Ripper Menu : Borland Delphi ( 2.0 - 7.0 ) Microsoft Visual C++...

    Free Windows

  • ASPack icon

    ASPack

    ASPack is an advanced Win32 executable file compressor, capable of reducing the file size of 32-bit Windows programs by as much as 70%.

    Commercial Windows

  • UPX Graphical icon

    UPX Graphical

    Graphical GUI incl UPX 3.07 and a scrambler. Support Drag & Drop and context-menu. With many further information. UPX. NO external program required. UPX is a very...

    Free Windows

  • kkrunchy icon

    kkrunchy

    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...

    Free Windows

  • Crinkler icon

    Crinkler

    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...

    Free Windows

  • PECompact icon

    PECompact

    PECompact is an advanced Windows executable compressor for use by software developers and vendors. Executable packers compress executable modules (EXE, DLL, etc..) so...

    Commercial Windows

  • WWPack32 icon

    WWPack32

    WWPack32 - Windows executable files compressor and protector. Compressed exe and dll files run exactly as before!. This program squeezes exe files and protects Win32...

    Freemium Windows