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Firefox Quantum 61.0 Beta 9

Enhance your Internet navigation with this feature-packed web browser

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Firefox Quantum screenshotFirefox Quantum is an advanced web browser which offers access to the newest development tools and features, that will be implemented into popular, stable versions of the Firefox browser. The application comes with a brand new, enhanced engine which offers a smooth and complete browsing experience. The utility is also light on CPU load and RAM usage.

Firefox Quantum offers improved performance and increased speed along with a wide variety of privacy-related enhancements. The browser is able to protect your privacy and block online trackers.

In addition, Firefox Quantum includes a rich set of developer tools, such as CSS Grid support, JavaScript debugger, Style Editor, and many others. The Network tabs, Inspector and Console received new features that will improve your workflow and will help you increase your productivity.

Firefox Quantum comes with an overhauled Graphical User Interface known as "Photon". The interface offers a more modern look, with a better organized and redesigned menu and clear-cut square tabs.


  • The application offers a smooth and fast browsing experience.
  • Multiple developer tools are included.
Name Firefox Quantum
Version 61.0 Beta 9
Developer | see all products from this developer
Product Homepage Firefox Quantum
License Free (Freeware)
Last Week Downloads 1
All Time Downloads 12
Filename Firefox Setup 61.0b9.exe
Filesize 34.7MB
MD5 Checksum E66A35776589C68E8ECEFF06D036F71F
OS Support Windows All
Category Internet

100% CLEAN Certification

BadgeFirefox Quantum has been tested by team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean.


Old Versions

Software Date Added
Firefox Quantum May 29, 2018 - Latest Version

Download the free Firefox Quantum