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UPX is a tool that can reduce the size of system files (EXE and DLL) significantly. No additional software is required after compression and some programs will even run faster due to fewer read operations.
UPX Tool is a GUI wrapper for UPX, able to both compress and decompress.
There is an unofficial update created by Lupo PenSuite (UPX Tool+ 1.1.1) that can be download here. The main advantage of this update is functionality with UPX 3.0 (improved compression via LZMA).
Category: | |
Runs on: | Win95 / Win98 / WinME / WinNT / Win2K / WinXP / Vista / Win7 |
Writes settings to: | Application folder |
Stealth: ? | Yes |
Unicode support: | No |
License: | Freeware/Open Source |
How to extract: |
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Similar/alternative apps: | PortableApps AppCompactor |
Latest comments |
carbonize
on 2010-02-11 15:27
Just remember that programs compressed using UPX will get reported as a virus by some anti virus software.
Irgen
on 2010-11-20 02:41
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ClamWin report "Trojan.Spy-75883 FOUND";Avira report:"TR/PSW.Agent.nup";Please check; and scan with online malware scanner almost report virus |
PortableApps.com AppCompactor allows you to compress whole directories including applications, file libraries and zip files. The program is a powerful compression tool that unites 7-Zip and UPX inside a user-friendly wizard. For applications, this saves disk space and increases performance when running from a slow media (like flash drives). For archives, this will recompress DLL, EXE, ZIP, JAR, IRC, PYD and BIN files to their maximum compression settings, as well as an option to decompress an app's binary files that were previously compressed with UPX.
All files are tested using UPX's test feature after compressing. Files smaller than 4K are automatically skipped as compressing will not save space on the drive. The standard Microsoft Visual C runtimes are skipped to prevent antivirus false-positives. Advanced configuration can be done with apps in PortableApps.com Format.
Note: As UPX will alter the EXEs and DLLs (reversible using the Decompress option in the AppCompactor) and some apps may have issues with Zip or Jar files compressed further, users should backup software and test it after processing.
Category: | |
Runs on: | WinXP / Vista / Win7 / Win8 / Win10 / Wine |
Writes settings to: | Application folder |
Stealth: ? | Yes |
Unicode support: | Yes |
Path portability: | Automatic relative path (eg. ..\..\personal\work.doc) |
License: | GPL |
How to extract: | Download the self-extracting EXE and extract to a folder of your choice. Launch PortableApps.comAppCompactor.exe. |
Similar/alternative apps: | ArcThemAll |
What's new? | See: https://portableapps.com/news/2024-05-09--portableapps.com-appcompator-3.7.3-released |
Latest comments |
webfork
on 2010-09-15 20:07
tommyD: Disadvantages are that it breaks some programs, and it may be slightly more CPU-intensive to decompress libraries and executables on the fly.
double0
on 2011-04-13 05:31
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I agree with wf; where is operaportable? |
PeaZip is a feature-rich file archiver with broad support for 200+ file types. The file manager interface includes a hash tool, file wipe, file associations, file splitter, themes, estimated compression level, system benchmark, image crop/rename and much more.
Formats supported include most mainstream archive formats, including ZIP, 7Z, ACE, BZIP2, CAB, GZIP, TAR, UPX, ZIPX, as well as it's own PEA format. Can extact but not create MSI and RAR files.
Note that tools setup through the Task Scheduler are not portable.
Cross platform with clients for Mac, Linux, and BSD, as well as a 64-bit version is available. Alternatively, PeaZip Portable portablizes bookmarks and includes both 32 and 64-bit versions, automatically using the proper one on each PC.
Category: | |
Runs on: | Win2K / WinXP / Vista / Win7 / Win8 / Win10 / Win11 / Wine |
Writes settings to: | Application folder |
Stealth: ? | Yes |
Unicode support: | Yes |
License: | GNU LGPL |
How to extract: | Download the "portable" ZIP package and extract to a folder of your choice. Launch peazip.exe. |
Similar/alternative apps: | 7-Zip, IZArc, Bandizip |
What's new? | See: https://peazip.github.io/changelog.html |
Latest comments |
AndTheWolf
on 2014-11-16 17:37
Download link (http://www.peazip.org/peazip-portable.html) raises a 404 "not found" error. Link instead just to http://www.peazip.org/ or to http://peazip.sourceforge.net/peazip-portable.html.
Happy.Camper2
on 2014-12-24 02:22
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My experience with PeaZip is to go to: |
FUPX (formerly Free UPX) allows you to compress or decompress EXE, DLL, OCX, BPL, CPL and other files. It offers easy access to all documented and undocumented UPX parameters without the need for accessing the command-line.
The program is an advanced interface for the UPX (Ultimate Packer for eXecutables). It uses the Microsoft Portable Executable and COFF Specification.
Alternatively, FUPX Portable is in PortableApps.com Format and includes both the 32-bit and 64-bit versions of the app.
Category: | |
Runs on: | WinXP / Vista / Win7 / Win8 / Win10 |
Writes settings to: | Application folder |
Stealth: ? | Yes |
License: | Freeware |
How to extract: | Download the "Portable" ZIP package and extract to a folder of your choice. Launch fupx.exe. |
Similar/alternative apps: | PortableApps AppCompactor |
What's new? |
See: http://www.pazera-software.com/products/free-upx/#changelog |
Latest comments |
__philippe
on 2017-02-22 13:39
For the Facebook-allergic crowd, might as well use directly the original Command-Line UPX engine:
jack
on 2018-09-19 12:51
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@gbrao |
FNX Basic is a Basic compiler that is able to create applications. It creates a single executable file, in byte code, even if compressed with UPX like RapidQ does.
Category: | |
Runs on: | WinXP / Vista / Win7 / Win8 / Win10 |
Writes settings to: | Application Folder |
Unicode support: | No |
License: | Freeware |
How to extract: | Download the ZIP package and extract to a folder of your choice. Launch FNXeditor.exe. |
Similar/alternative apps: | Decimal BASIC |
Latest comments |
abdt
on 2015-02-13 17:59
@joby_toss: Tried it again today and it works, too. Yesterday it wasn't working the whole day. Anyways, glad to see that it works again.
kanu
on 2019-12-27 07:20
Hi, someone please fix the web and download links. Both are incorrect.
Midas
on 2019-12-27 11:34
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Although the security certificate of FNX Basic homepage has lapsed, the page is still accessible. OTOH, the original download location is missing, so the link was updated with kanu's suggestion. |
ArcThemALL! is a multi-compressor of files and folders for both normal and advanced users. It supports compression with UPX, ZIP and 7Z formats, includes an intelligent UPX compression mode, supports self-extracting archive creation, archives encryption/decryption, three external freeware compressors, the extraction of a long list of formats (7Z, APM, ARJ, BZIP2, CAB, CHM, CPIO, DEB, DMG, FAT, GZIP, HFS, ISO, LZH, LZMA, LZMA2, MBR, MSI, MSLZ, NSIS, NTFS, RAR, RPM, SFX, TAR, UDF, UPX, VHD, WIM, XAR, XZ, Z, ZIP) and much more.
Category: | |
Runs on: | WinXP / Vista / Win7 / Win8 |
Writes settings to: | Application folder |
Stealth: ? | Yes |
Unicode support: | Yes |
License: | GPL |
How to extract: | Download the ZIP package and extract to a folder of your choice. Launch ArcThemALL!.exe. |
What's new? |
Version 5.1 [26-10-2013] - added support to generate a Log file - updated UPX v3.91 - fixed integration in Context menu and SendTo menu - fixed some minor bugs |
Latest comments |
Lupo73
on 2011-11-13 21:05
It is available on main webpage.. if instead you open the sourceforge page, click "ArcThemALL! Web Page..." link in Description to move to main webpage..
jrgermann
on 2011-11-14 17:53
Thanks, Lupo73, for that info. Looks like the download link should point to the Sourceforge link that comes from the website page.
__philippe
on 2017-03-26 23:45
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ArcThemALL sorely lacks a critical "List" option to examine an archive contents BEFORE launching |