Mozilla Firefox Beta logo

Mozilla Firefox Beta for Mac

By Mozilla Free

Key Details of Mozilla Firefox Beta

  • Experience cutting-edge browser features and contribute to putting the final tweaks on performance and functionality
  • Last updated on 02/01/21
  • There have been 22 updates within the past 6 months
  • The current version has 0 flags on VirusTotal badge_icon
  • Also available on Android and Windows

Beta or prerelease software is not intended for inexperienced users, as the software may contain bugs or may potentially damage your system. We strongly recommend that users exercise caution and save all mission-critical data before installing or using this software.

Developer's Description

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.

Full Specifications

What's new in version 86.0b4

Expanding credit card management and autofill capabilities to Canadian builds of Firefox
Enable multiple Picture-in-Picture support by default
Reader mode now works with local HTML pages


Release February 1, 2021
Date Added February 1, 2021
Version 86.0b4

Operating Systems

Operating Systems Macintosh
Additional Requirements
  • macOS Big Sur
  • macOS Catalina
  • macOS Mojave
  • macOS High Sierra
  • macOS Sierra
  • OS X El Capitan
  • OS X Yosemite
  • OS X Mavericks
  • OS X Mountain Lion


Total Downloads 122,211
Downloads Last Week 2
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