Firefox Beta

By Mozilla

Thank you for testing Firefox Beta! We are excited to introduce a major upgrade and a brand new design, and as always we count on your feedback.

Key highlights:
-Bottom nav bar for easier access with option to customize
-Dark & light themes
-Collections to organize your tabs
-Improved support for Progressive Web Apps

More details at
Help refine and polish the newest features almost ready for prime time. With Firefox Beta, you get to test the latest performance, customization and security enhancements before they make it to our next version.
Have an impact by helping to put the finishing touches on features and functionality.
**We need your help testing Intel x86 Atom based devices! If you have an Intel x86 Atom based device, download Firefox Beta and tell us what you think.**

Find a bug? Report it at

Want to know more about the permissions Firefox requests?
See our list of supported devices and latest minimum system requirements at


Mozilla is a proudly non-profit organization dedicated to keeping the power of the Web in people's hands.
We're a global community of users, contributors and developers working to innovate on your behalf.
When you use Firefox, you become a part of that community, helping us build a brighter future for the Web.
Learn more at
Recent Versions
Firefox Beta 76.0.0-beta.1
May 3, 2020 at 7:49 am
Firefox Beta 68.6
Feb 16, 2020 at 11:06 am
Firefox Beta 62.0
Jul 20, 2018 at 8:20 am
Firefox Beta 60.0
Mar 17, 2018 at 5:50 pm
Firefox Beta 57.0
Sep 28, 2017 at 6:56 pm
Firefox Beta 56.0
Sep 13, 2017 at 4:13 am
Firefox Beta 55.0
Jul 25, 2017 at 6:00 pm
Firefox Beta 54.0
May 14, 2017 at 12:48 pm
Firefox Beta 53.0
Mar 23, 2017 at 2:38 am
Firefox Beta 51.0
Jan 18, 2017 at 8:18 am