UPX AlternativesFile Compressors and other similar apps like UPX

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 Windows, Web-based, PortableApps.com, Wine and SaaS. 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.

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UPX alternatives are mainly File Compressors but may also be Image Optimizers or Android Emulators.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of UPX.
UPX iconUPX
  28
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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...

More about UPX
UPX alternatives page was last updated May 28, 2024
  1. FileOptimizer icon
     59 likes

    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.

    52 FileOptimizer alternatives
    Main Window

    License model

    • FreeOpen Source

    Platforms

    • Windows
    • Wine

    FileOptimizer Features

    1.  Portable
    2.  PDF compression
    3.  Lossless Compression
    4.  All in one
    5.  Drag and Drop
    FileOptimizer iconUPX Icon

    FileOptimizer VS UPX

    Is FileOptimizer a good alternative to UPX?
     
    • FileOptimizer is the most popular Windows alternative to UPX.

    • FileOptimizer is the most popular Open Source & free alternative to UPX.

    • FileOptimizer is Free and Open SourceUPX is also Free and Open Source
  2. Appetize.io icon
     23 likes

    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

    27 Appetize.io alternatives
    Appetize.io screenshot 1

    License model

    • FreemiumProprietary

    Platforms

    • Online
    • Software as a Service (SaaS)

    Properties

    1.  Lightweight
    2.  Support for Themes

    Features

    1.  Browser-based
    2.  Portable
    3.  Embedded tutorials
    4.  Screen Sharing
    5.  Customer Segmentation
    6.  No registration required
    7.  Support for scripting
    8.  Multiple Account support
    9.  Ad-free
    10.  Live Preview
    11.  Dark Mode
    12.  Extensible by Plugins/Extensions
    Appetize.io iconUPX Icon

    Appetize.io VS UPX

    Is Appetize.io a good alternative to UPX?
     
    Comments about Appetize.io as an Alternative to UPX
     
    Guest

    Why is it in alternatives? It does not pack executables.

    Negative commentSep 17, 2020
    0
    UPX Icon
    Appetize.io icon
    • Appetize.io is the most popular Web-based & SaaS alternative to UPX.

    • Appetize.io is Freemium and ProprietaryUPX is Free and Open Source
    • Appetize.io is LightweightUPX is not according to our users
  3. ExEinfo PE icon
     15 likes

    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.

    8 ExEinfo PE alternatives
    ExEinfo PE screenshot 1

    License model

    • FreeProprietary

    Platforms

    • Windows
    ExEinfo PE iconUPX Icon

    ExEinfo PE VS UPX

    Is ExEinfo PE a good alternative to UPX?
     
    Comments about ExEinfo PE as an Alternative to UPX
     
    Guest

    Exeinfo PE detects the type of packer/compiler etc. used by an executable, but UPX actually "packs" the executable.

    Negative commentFeb 16, 2016
    -1
    UPX Icon
    ExEinfo PE icon
    • ExEinfo PE is Free and ProprietaryUPX is Free and Open Source
  4. Themida icon
     2 likes

    Advanced Windows software protection system, developed for software developers who wish to protect their applications against advanced reverse engineering and software cracking.

    12 Themida alternatives

    License model

    Platforms

    • Windows
    Themida iconUPX Icon

    Themida VS UPX

    Is Themida a good alternative to UPX?
     
    Comments about Themida as an Alternative to UPX
     
    Guest

    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).

    Negative commentAug 23, 2015
    -1
    UPX Icon
    Themida icon
    • Themida is the most popular commercial alternative to UPX.

    • Themida is Paid and ProprietaryUPX is Free and Open Source
  5. FUPX icon
     5 likes

    Graphical interface for the UPX packer which offers easy access to all documented and undocumented UPX parameters without the need for command line usage.

    12 FUPX alternatives
    FUPX screenshot 1

    License model

    • FreeProprietary

    Application type

    Platforms

    • Windows
    • PortableApps.com

    FUPX Features

    1.  Portable
    2.  Graphical User Interface
    FUPX iconUPX Icon

    FUPX VS UPX

    Is FUPX a good alternative to UPX?
     
  6.  1 like

    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...

    9 kkrunchy alternatives

    License model

    • FreeProprietary

    Platforms

    • Windows
    UPX Icon

    kkrunchy VS UPX

    Is kkrunchy a good alternative to UPX?
     
  7. ASPack icon
     2 likes

    ASPack is an advanced solution created to provide Win32 EXE file packing and to protect them against non-professional reverse engineering.

    12 ASPack alternatives
    ASPack screenshot 1

    License model

    Platforms

    • Windows
    ASPack iconUPX Icon

    ASPack VS UPX

    Is ASPack a good alternative to UPX?
     
  8. Alienyze icon
     1 like

    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...

    8 Alienyze alternatives
    Alienyze screenshot 1

    License model

    Platforms

    • Windows
    Alienyze iconUPX Icon

    Alienyze VS UPX

    Is Alienyze a good alternative to UPX?
     
  9.  Like this app

    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.

    12 WWPack32 alternatives
    WWPack32 screenshot 1

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Windows
    UPX Icon

    WWPack32 VS UPX

    Is WWPack32 a good alternative to UPX?
     
  10.  Like this app

    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.

    12 Crinkler alternatives

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Windows
    UPX Icon

    Crinkler VS UPX

    Is Crinkler a good alternative to UPX?
     
  11. LockBytes icon
     1 like

    Easily licence and distribute executables on windows computers from the cloud without having to worry about end users sharing them without your permission.

    25 LockBytes alternatives

    License model

    Platforms

    • Windows
    LockBytes iconUPX Icon

    LockBytes VS UPX

    Is LockBytes a good alternative to UPX?
     
  12. PECompact icon
     Like this app

    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.

    11 PECompact alternatives

    License model

    Platforms

    • Windows
    PECompact iconUPX Icon

    PECompact VS UPX

    Is PECompact a good alternative to UPX?
     
12 of 12 UPX alternatives