We select 15 of the best free portable programs that you can store on a USB memory stick to run on any PC.
KeePass Password Safe
This handy little program uses a master password to safeguard all your valuable login information. Once passwords have been stored, they can be dragged and dropped into text boxes to save having to retype them in future.
7-Zip Portable
No computer would be complete without a file-zipping utility. 7-Zip Portable is not only compatible with the ZIP format, but also RAR, ISO, CAB, ARJ and many more, so almost every compressing eventuality is catered for.
Firefox Portable
Tabbed browsing is still present, as is support for extensions, and being able to store Bookmarks on a USB drive makes it easy to access all your favourite websites from any computer with an internet connection. It's not only portable but lightning fast too.
Portable GIMP
The GIMP has earned itself a deserved reputation as one of the best free image editors around. The portable edition of the program packs the same punch as the Desktop version, letting you work with a wide variety of image formats.
FileZilla Portable
This powerful tool can be used to access FTP servers from a USB drive, meaning you can upload files to your website from any computer. As login details can be stored within the program there is no need to battle with web interfaces or remember passwords.
FIVE MORE of the best free portable USB software
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