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48.0 Rev 8
X Firefox Screenshot
Free Freeware
Windows 10 / 8 / 7 / Vista / XP
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X-Firefox Review

Sven Sorensen

A portable version of the popular Firefox browser by Mozilla

A review of X-Firefox by

X-Firefox is a free web browser based completely on Mozilla Firefox. The exception to the similarities lies in the fact that X-Firefox is portable.

As a portable application, X-Firefox can be run from virtually any location like a network drive or a USB flash drive. Installation is not required.

In terms of features, X-Firefox contains all of the features that can be found in the most recent versions of Mozilla Firefox. That includes tabs, bookmarks, private browsing, etc.

After you're done with X-Firefox, you can safely delete it along with all of your browsing history. Nothing should be saved in the Windows Registry.

Overall, X-Firefox is a portable version of Firefox; nothing more and nothing less.

X Firefox is licensed as Freeware for Windows (32-bit and 64-bit) operating system / platform from internet browsers without restrictions. X Firefox 48.0 Rev 8 is available to all software users as a free download (Freeware).

This web browser software is filed under:

  • X-Firefox Download
  • Freeware Internet Browsers
  • Open source and GPL software
  • Portable Software
  • Free Software Download

Compatibility with this web browser software may vary, but will generally run fine under Microsoft Windows 10, 8, 8.1, 7, Vista and XP on either a 32-bit or 64-bit setup. A separate x64 version may be available from winPenPack.

X-Firefox has been picked by our editors as very good.
X-Firefox has been tested for viruses and malware.
We have tested X-Firefox 48.0 Rev 8 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans. [Read more]

Screenshots of X-Firefox (6)

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in Browser
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4.5 out of 5 based on 2 ratings.

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