File compression softwares serve a great purpose and they become even more useful if you can carry them in your USB drive. Here are some excellent portable file compression tools that you can carry with you anywhere and put to use without any hassle:

1. PowerArchiver:

PowerAchiver is a powerful archive utility that supports all common compression formats (ZIP, RAR, ACE, ARJ, LHA, 7zip etc.) and allows you to open and create compressed archives. It integrates with Windows Explorer, allowing easy management of compressed file types from the right-click menu. It is available at a price of $19.Get it here.

2.  IZArc 2Go 3.7 Build 1430:

IZArc 2Go 3.7 Build 1430 is a free archiving tool that supports many archive formats like: 7-ZIP, A, ACE, ARC, ARJ, B64, BZ2, BH, CAB, BZA, CPIO, ENC etc and is a portable version of IZArc. It just needs to be dropped on any USB Flash Drive and will give you full functional archive utility wherever you go. Get it here.

3. WinRAR Unplugged 3.63 Beta:

WinRAR Unplugged 3.62 beta is a full featured WinRAR application for users on-the-go which you can place on an external device like a USB/Flash drive or an external hard drive, you can use it (including your profiles, AV-Code, themes, etc.) anywhere a Windows PC is accessible. It is available at a price of $29. Get it here.

4. 7-Zip Portable 4.42:

7-Zip Portable 4.42 is the7-Zip packaged as a free portable app, so you can take your file archiver with you and work with your compressed 7z, ZIP, GZIP, BZIP2, TAR, RAR files and more on the go. It can placed on your USB flash drive, iPod, portable hard drive or a CD and be used on any computer. Get it here.

5. UPXcmd Portable 1.3.0.0:

UPXcmd Portable 1.3.0.0 is a free open source and portable GUI for excellent executable packer, UPX. Get it here.

6. PeaZip Portable:

PeaZip Portable is a free archiver tool supporting its native Pea archive format which sports options like compression, split volumes, and flexible encryption and integrity check algorithms as well as other mainstream formats. Get it here.

7. Portable ArcThemAll! 1.0.1:

Portable ArcThemAll! 1.0.1 is a free portable application designed to multi-compress files and folders in UPX, ZIP and 7z formats. It includes an intelligent UPX compression mode, the support to self-extracting archive creation, the encryption/decryption of archives etc. Get it here.

8. Portable Simplyzip 1.1 Beta 72:

Portable Simplyzip 1.1 Beta 72 is a free file archiver with encrypting capabilities. Get it here.

9. RarZilla Free Unrar Portable:

RarZilla Free Unrar Portable is the portable version of RarZilla Free Unrar designed to be able to run from a USB flash drive or any other portable device. Get it here.

10. AppCompactor:

AppCompactor is a free portable software designed to allow you to easily compress applications to decrease their size on disk and increase performance when running from slow storage media such as flash drives. Get it here.

11. Portable FILEminimizer Office:

Portable FILEminimizer Office is a portable application that will help you to minimize the file size of PowerPoint presentations and of Microsoft Office Word files. It runs directly from a USB flash drive or CD and is available at a price of $34.95. Get it here.

12. Portable PIM 2.90:

Portable PIM 2.90 is a free high compression ratio file archiver that can also test compressed data. Get it here.

13. Portable Universal Extractor:

Portable Universal Extractor is a free program designed to extract files from any type of archive, be it a simple ZIP file, an installation program, or even a Windows Installer (.msi) package. Get it here.

14. Portable HJ-Zip:

Portable HJ-Zip is a free software developed by Henk Hagedorn that helps you zip and unzip files, create zip archives, and also make self-extracting archives. Get it here.

15. Portable Freebyte 2.3.1:

Portable Freebyte 2.3.1 is a free software designed by Henk Hagedorn that allows you to zip and unzip files, create ZIP archives, password protect files, view sort and encrypt zip file contents, and also make self-extracting archives. Get it here.

16. Portable WinUpack 0.39 Final:

Portable WinUpack 0.39 Final is a free program that allows you to pack executable files of Windows PE format files with almost the best compression ratio. Get it here.