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25.09.2016 (Sunday)

Free UPX 2.1

Graphical interface for the UPX packer. UPX 3.91w, Ultimate Packer for eXecutables, EXE packer

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.
Free UPX
Release date:
23.09.2016
Language:
English
License:
Freeware
System:
Windows XP / 2003 / Vista / 2008 / 7 / 8 / 10 / Linux (under Wine)
Downloads:
141,164
The application does NOT contain any malicious software. VirusTotal.com scan results:
32-bit installer 32-bit portable

How to use the Free UPX - Quick Start

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 latest stable version available in September 2016.

Current version supports 64-bit executable files (Win64/PE), but this feature is declared as experimental.

Screenshots

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.

How to uninstall?

If you no longer use Free UPX application or if you want to free up space on your hard disk, you can uninstall this program from your computer. To do this, follow these steps:
  1. Open Programs and Features by clicking the Start button, clicking Control Panel, clicking Programs, and then clicking Programs and Features.
  2. On the list of installed programs select Free UPX and then click Uninstall. This will launch the uninstall wizard.
  3. Follow the instructions displayed on the screen.

End User License Agreement

This software is copyrighted by Pazera Jacek company ("Producer") and is protected by copyright laws and international treaty provisions.

This software is provided "as-is" and without warranty of any kind, express, implied or otherwise, including without limitation, any warranty of merchantability or fitness for a particular purpose.

Permission is granted to anyone to use this software for any purpose, including commercial use, but this software can NOT be sold or modified without written permission of the Producer.

This program usu the following open source software:
  1. UPX, licensed under UPX License available at http://upx.sourceforge.net/upx-license.html

Changelog

Version 2.1 (23 Sep 2016)
  • Minor modifications to the user interface.
  • New action: Clear file list.
  • Minor bug fixes and enhancements.
Version 2.0 (26 May 2016)
  • 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 1.7 (7 Oct 2013)
  • New version of the UPX (3.91w).
Version 1.6 (12 Mar 2013)
  • New version of the UPX (3.09w).
  • Minor modifications to source code related to the program adjustment to support the new version of UPX
Version 1.5 (15 Dec 2011)
  • New version of the UPX (3.08w).
  • Minor modifications to source code related to the program adjustment to support the new version of UPX
Version 1.4 (16 Sep 2010)

Version 1.3 (7 May 2010)
  • New version of the UPX (3.05).
Version 1.2 (28 Oct 2009)
  • New version of the UPX (3.04).
  • Support for XP visual styles.
Version 1.1 (1 Jul 2008)
  • New version of the UPX (3.03).
  • Small source code modification.
Version 1.0 (17 Mar 2008)
Initial release.

Keywords

Previous versions

Free UPX 2.0
Release date: 26.05.2016
SHA-256 checksum: 73F31FA932BBB2F3F5284AAA8C5DF33C5492D1009453E4D5C6B8C13D8A8E2D7F
Free UPX 1.7
Release date: 07.10.2013
SHA-256 checksum: AD035464E1D8154C574FF839683A0F79885030C413EBCB26281E56FF57AC0103
Free UPX 1.6
Release date: 12.03.2013
SHA-256 checksum: 13C293D56894FD4E758183E97079D7C947E9E289324BA70FB2C843A99ABBE0CF
Free UPX 1.5
Release date: 15.12.2011
SHA-256 checksum: BA78B30501783560950172CBE7C9C8BC0FB93AEEE4612029CB63AB438CC7AF0E
Free UPX 1.4
Release date: 15.09.2010
SHA-256 checksum: E964784BB314113DD9E7CBC53468C8203F254E3CC9981F15787F6C123C1851FA
Free UPX 1.3
Release date: 07.05.2010
SHA-256 checksum: 05011BC9F9D6D464E292A8F56E4A2C26F5387C64CB5127BC5ACE7D361FCA4227
Free UPX 1.2
Release date: 28.08.2008
SHA-256 checksum: EB91332D655DA464DE5DBE93316628C0650CEC8B50C540E751F95A794E3C7E28
Free UPX 1.1
Release date: 01.07.2008
SHA-256 checksum: 57FEB17FF34CB7D110BDC704FD416DE99DA0E83715EF9F2DF0E425E46BBF892F
Free UPX 1.0
Release date: 01.04.2008
SHA-256 checksum: 41658C46F7D36B3BD3775CF13FB191B4C39FDD69E9538E81CB4E96F9268636A9