• Latest Firefox 21 user agents:
  • User agent Platforms Hardware
    Mozilla/5.0 (X11; OpenBSD amd64; Linux x86_64; rv:21.0) Gecko/20130331 Firefox/21.0 OpenBSD desktop
    Mozilla/5.0 (X11; Linux x86_64; rv:21.0) Gecko/20100101 Firefox/21.0 GNU/Linux desktop
    Mozilla/5.0 (X11; Linux i686; rv:21.0) Gecko/20100101 Firefox/21.0 GNU/Linux desktop
    Mozilla/5.0 (X11; Linux i686; rv:21.0) Gecko/20100101 Firefox/21.0) GNU/Linux desktop
    Mozilla/5.0 (X11; FreeBSD amd64; rv:21.0) Gecko/20130331 Firefox/21.0 FreeBSD desktop
    Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; rv:1.9.2.13) Gecko/20101203 Firefox/21 Windows 7 desktop
    Mozilla/5.0 (Windows NT.6.2; WOW64) Gecko/20061007 Firefox/21.0 Windows NT desktop
    Mozilla/5.0 (Windows NT.6.2; Win64; x64) Gecko/20030208 Firefox/21.0 Windows NT desktop
    Mozilla/5.0 (Windows NT.6.2; Win64; x64) Gecko/20101104 Firefox/21.0 Windows NT desktop
    Mozilla/5.0 (Windows NT 6.3; WOW64) Gecko/20142805 Firefox/21.0 Windows 8 desktop
    Mozilla/5.0 (Windows NT 6.3; Win64; x64) Gecko/20031504 Firefox/21.0 Windows 8 desktop
    Mozilla/5.0 (Windows NT 6.3; Win64; x64) Gecko/20112003 Firefox/21.0 Windows 8 desktop
    Mozilla/5.0 (Windows NT 6.2; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0 Windows 8 desktop
    Mozilla/5.0 (Windows NT 6.2; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0 AlexaToolbar/alxf-2.18 Windows 8 desktop
    Mozilla/5.0 (Windows NT 6.2; WOW64; rv:21.0) Gecko/20130213 Firefox/21.0 Windows 8 desktop
    Mozilla/5.0 (Windows NT 6.2; WOW64; rv:21.0) Gecko/20130514 Firefox/21.0 Windows 8 desktop
    Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:16.0.1) Gecko/20121011 Firefox/21.0.1 Windows 8 desktop
    Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:21.0) Gecko/20100101 Firefox/21.0 Windows 8 desktop
    Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:21.0.0) Gecko/20121011 Firefox/21.0.0 Windows 8 desktop
    Mozilla/5.0 (Windows NT 6.2; rv:21.0) Gecko/20100101 Firefox/21.0 Windows 8 desktop