Cyberfox Portable

52.9.1 Custom Firefox browser for Windows

Sven Sorensen

Enjoy a faster and more customizable browsing experience with advanced features, add-ons and security options.

Free and open source Internet browsing software download, reviewed by Sven Sørensen
Web browser that compiles Firefox to navigate on the Internet faster on both 64-bit - Screenshot of Cyberfox Portable
Portable tool - Screenshot of Cyberfox Portable
Replaces Firefox - Screenshot of Cyberfox Portable
Light browser based on Firefox - Screenshot of Cyberfox Portable
User interface - Screenshot of Cyberfox Portable
Cyberfox Portable screenshot
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A 64-bit web browser based on Mozilla, compatible with Firefox.

Cyberfox Portable is an alternative web browser built on top of Mozilla's Firefox browser and though unlike Firefox, is optimized for several different systems including those with a 64-bit operating system installed. It works perfectly with the newest versions of Windows like Windows 8, Windows 8.1 and the upcoming Windows 10 -- all in its 64-bit glory.

As a portable application, it requires no installation and can be run directly from the directory that it is extracted in. In addition, it can be run on the PortableApps.com platform. You can use Cyberfox on a USB memory stick or memory card.

Since it is based on Mozilla source code, this web browser features a similar interface to Firefox and can also take advantage of plug-ins and addons created specifically for Firefox. Not to forget, you can also import all of your Firefox settings into Cyberfox meaning switching to Cyberfox is easy and painless for the most part. After installation, this web browser will also automatically use all of your Firefox profile data so that you most visited sites, bookmarks, etc. will follow with you.

Cyberfox Portable also takes advantage of the Windows 8 SDK and is completely open source.

A cool addition to Cyberfox Portable found within the menus are the options to clean the cache and restart the app. The about:config configuration page also offers the opportunity for further optimization and enabling/disabling of geolocation.

If you have a 32-bit browser installed and you're not having too much luck taking advanced of a 64-bit architecture, then give Cyberfox Portable a go and see how you like it!

Features of Cyberfox Portable

  • Compatibility: Works with most Firefox Add-ons.
  • Compression: Data & page load compression.
  • Customization: Highly customizable UI & tools.
  • Design: Cross-platform design for Windows & Linux.
  • Extensions: Supports most Firefox extensions.
  • Multi-Account: Secure multiple accounts.
  • Performance: Up to 8x faster than Firefox.
  • Printing: Print from multiple devices.
  • Privacy: Private browsing & Do Not Track.
  • Search: Fast & integrated search engine.
  • Security: Enhanced privacy & protection.
  • Speed: Quickstart & improved page loading.
  • Sync: Sync bookmarks & tabs across devices.
  • Theme: Multiple themes for customization.
  • Usability: Easy to use & navigate.

Compatibility and License

Is Cyberfox Portable free?

Cyberfox Portable is free software made available under the Mozilla Public Licence for the Windows operating system from web browsers. With this type of license, users are permitted to freely download, modify and distribute it without any real restrictions.

What version of Windows can Cyberfox Portable run on?

Cyberfox Portable can be used on a computer running Windows 11 or Windows 10. Previous versions of the OS shouldn't be a problem with Windows 8 and Windows 7 having been tested. It comes in both 32-bit and 64-bit downloads.


Filed under:
  1. Cyberfox Portable Download
  2. Free Web Browsers
  3. Open source and GPL software
  4. Portable Software
  5. Internet Browsing Software
Cyberfox Portable has been picked by our editors as very good.
Cyberfox Portable has been tested for viruses and malware.
We have tested Cyberfox Portable 52.9.1 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.