Free UPX2.0
Publisher Description
Free UPX is an advanced graphical interface for the UPX (Ultimate Packer for eXecutables).
It allows you to compress (and decompress) files produced according to Microsoft Portable Executable and COFF Specification (EXE, DLL, OCX, BPL, CPL and other). It offers easy access to all documented and undocumented UPX parameters without the need for command line usage.
The Free UPX interface is very simple and user-friendly. To compress executable files, just drag & drop them into main window, select proper profile from list, and click the COMPRESS button.
Free UPX is designed for UPX 3.91w - the last stable version available in October2013.
Current version supports 64-bit executable files (Win64/PE), but this feature is declared as experimental.
The most important features:
* Compression and decompression of Windows executable files (EXE, DLL, OCX, BPL, CPL, SYS, AX, ACM, DRV, TLB and other).
* Compression and decompression of ELF executables (used on Unix, Linux, Solaris, FreeBSD and other operating systems).
* Compression and decompression of Mac OS X executable files (Mach-O, FAT).
* Easy acces to all UPX command-line parameters.
* Displaying detailed informations about compressed files: original file size, compresson ratio, saved space, compression level and other.
* The ability to filter files based on multiple criteria.
* Predefined UPX profiles for beginners. Advanced users can define custom profiles.
* Portability. Free UPX does not use system registry and all settings are stored in INI file, so it can be run from portable drives.
* Shell integration (optional).
* 100% freeware! - for private and commercial use. There are no limitations, adware, spyware.
About Free UPX
This File Compression program is available in English. It was last updated on 26 March, 2026. Free UPX is compatible with the following operating systems: Windows, Windows-mobile.
The company that develops Free UPX is Jacek Pazera. The latest version released by its developer is 2.0. This version was rated by 7 users of our site and has an average rating of 3.3.
The download we have available for Free UPX has a file size of 1.0 MB. Just click the green Download button above to start the downloading process. The program is listed on our website since 2016-05-26 and was downloaded 3,576 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded software with your antivirus. Your antivirus may detect the Free UPX as malware if the download link is broken.
How to install Free UPX on your Windows device:
- Click on the Download button on our website. This will start the download from the website of the developer.
- Once the Free UPX is downloaded click on it to start the setup process (assuming you are on a desktop computer).
- When the installation is finished you should be able to see and run the program.
Program Details
System requirements
Download information
Pricing
Version History
version 2.0
posted on 2016-05-26
Major modifications to the user interface, displaying additional information about executable files, the ability to filter files based on multiple criteria, changed toolbar, new icons, new file list control with many additional features (sorting, row and column moving)
version 1.2
posted on 2009-10-28
Added support 256x256 icons