Firefox User Agents

Firefox User Agents in our database. This is a listing of only some of the most popular ones.

  • Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.9) Gecko/20100827 Red Hat/3.6.9-2.el6 Firefox/3.6.9

    Firefox 3 on Red Hat 3

  • Mozilla/5.0 (X11; U; Linux x86_64; ru; rv:1.9.2.11) Gecko/20101028 CentOS/3.6-2.el5.centos Firefox/3.6.11

    Firefox 3 on CentOS 5

  • Mozilla/5.0 (X11; U; x86_64 Linux; en_GB, en_US; rv:1.9.2) Gecko/20100115 Firefox/3.6

    Firefox 3 on GNU/Linux

  • Mozilla/5.0 (X11; U; Linux i686; pl; rv:1.9.2.18) Gecko/20110614 Firefox/3.6.18 ( .NET CLR 3.5.30729; .NET4.0E)

    Firefox 3 on GNU/Linux

  • Mozilla/5.0 (X11; Linux i686; rv:2.0b10) Gecko/20100101 Firefox/4.0b10

    Firefox 4 on GNU/Linux

  • Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:126.0) Gecko/20100101 Firefox/126.0

    Firefox 126 on Mac 10

  • Mozilla/5.0 (X11; U; Linux i686; pl-PL; rv:1.9.0.2) Gecko/2008092313 Ubuntu/9.25 (jaunty) Firefox/3.8

    Firefox 3 on Ubuntu 9

  • Mozilla/5.0 (X11; U; Linux x86_64; pl-PL; rv:1.9.2.10) Gecko/20100922 Ubuntu/10.10 (maverick) Firefox/3.6.10

    Firefox 3 on Ubuntu 10

  • Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.2.10) Gecko/20100914 SUSE/3.6.10-0.3.1 Firefox/3.6.10

    Firefox 3 on SUSE 3

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; it; rv:1.9.2.17) Gecko/20110420 Firefox/3.6.17 ( .NET CLR 3.5.30729; .NET4.0E)

    Firefox 3 on Windows XP

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.16) Gecko/20120427 Firefox/15.0a1

    Firefox 15 on Windows XP

  • Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.2.10) Gecko/20100915 Ubuntu/9.10 (karmic) Firefox/3.6.10

    Firefox 3 on Ubuntu 9

  • Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.9.2.20) Gecko/20110803 Firefox/3.6.20 ( .NET CLR 3.5.30729; .NET4.0E)

    Firefox 3 on Windows Server 2003

  • Mozilla/5.0 (Windows; Windows NT 5.1; en-US; rv:1.9.2a1pre) Gecko/20090402 Firefox/3.6a1pre

    Firefox 3 on Windows XP

  • Mozilla/5.0 (X11; U; Linux x86_64; es-ES; rv:1.9.2.12) Gecko/20101026 SUSE/3.6.12-0.7.1 Firefox/3.6.12

    Firefox 3 on SUSE 3

  • Mozilla/5.0 (Windows; U; Windows NT 5.2; en-GB; rv:1.9.2.9) Gecko/20100824 Firefox/3.6.9

    Firefox 3 on Windows Server 2003

  • Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.9.2.2) Gecko/20100316 Firefox/3.6.2

    Firefox 3 on GNU/Linux

  • Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.3pre) Gecko/20100405 Firefox/3.6.3plugin1 ( .NET CLR 3.5.30729)

    Firefox 3 on Windows 7

  • Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.13) Gecko/20080313 Firefox

    Firefox on Mac

  • Mozilla/5.0 (Windows; U; Windows NT 6.1; pl; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3

    Firefox 3 on Windows 7

  • Mozilla/5.0 (Windows NT 5.1; U; rv:5.0) Gecko/20100101 Firefox/5.0

    Firefox 5 on Windows XP

  • Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20100101 Firefox/5.0 FirePHP/0.5

    Firefox 5 on GNU/Linux

  • Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 (.NET CLR 3.5.30729)

    Firefox 3 on Windows 7

  • Mozilla/5.0 (X11; Linux i686; rv:6.0) Gecko/20100101 Firefox/6.0

    Firefox 6 on GNU/Linux

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; ja; rv:1.9.2.25) Gecko/20111212 Firefox/3.6.25 ( .NET CLR 3.5.30729; .NET4.0C)

    Firefox 3 on Windows XP

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; it; rv:1.9.2.11) Gecko/20101012 Firefox/3.6.11 ( .NET CLR 3.5.30729)

    Firefox 3 on Windows XP

  • Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0

    Firefox 136 on Ubuntu

  • Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7; rv:127.0) Gecko/20100101 Firefox/127.0

    Firefox 127 on Mac 10

  • Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_9; rv:1.9.5.20) Gecko/7339-03-04 23:24:21.154755 Firefox/3.8

    Firefox 3 on Mac 10

  • Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/5093-10-04 19:25:24.142059 Firefox/3.6.16

    Firefox 3 on GNU/Linux

  • Mozilla/5.0 Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.2.13) Firefox/3.6.13

    Firefox 3 on Windows XP

  • Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:136.0) Gecko/20100101 Firefox/136.0

    Firefox 136 on Windows 10

  • Mozilla/6.0 (Macintosh; I; Intel Mac OS X 11_7_9; de-LI; rv:1.9b4) Gecko/2012010317 Firefox/10.0a4

    Firefox 10 on Mac 11

  • Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.0

    Firefox 137 on Windows 10

  • Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101223 Gentoo Firefox/3.6.13

    Firefox 3 on Gentoo

  • Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.11) Gecko/20080201 Firefox/2.0.0.11

    Firefox 2 on GNU/Linux

  • Mozilla/5.0 (X11; U; Linux x86_64; en-GB; rv:1.9.2.13) Gecko/20101206 Ubuntu/9.10 (karmic) Firefox/3.6.13

    Firefox 3 on Ubuntu 9

  • Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:2.0b10) Gecko/20110126 Firefox/4.0b10

    Firefox 4 on Windows 7

  • Mozilla/5.0 (X11; FreeBSD x86_64; rv:2.0) Gecko/20100101 Firefox/3.6.12

    Firefox 3 on FreeBSD

  • Mozilla/5.0 (Windows NT 11.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0

    Firefox 126 on Windows NT

  • Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.2.3) Gecko/20100401 SUSE/3.6.3-1.1 Firefox/3.6.3

    Firefox 3 on SUSE 3

  • Mozilla/5.0 (Windows; U; Windows NT 6.1; en-AU; rv:1.9.2.14) Gecko/20110218 Firefox/3.6.14

    Firefox 3 on Windows 7

  • Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2) Gecko/20100128 Gentoo Firefox/3.6

    Firefox 3 on Gentoo

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; pt-BR; rv:1.9.2.17) Gecko/20110420 Firefox/3.6.17 (.NET CLR 3.5.30729)

    Firefox 3 on Windows XP

  • Mozilla/5.0 (X11; Linux i686; rv:2.0.1) Gecko/20110518 Firefox/4.0.1

    Firefox 4 on GNU/Linux

  • Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; de; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12 GTB5

    Firefox 3 on Mac 10

  • Mozilla/5.0 (X11; Linux i686; rv:2.0b12pre) Gecko/20100101 Firefox/4.0b12pre

    Firefox 4 on GNU/Linux

  • Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7; rv:129.0) Gecko/20100101 Firefox/129.0

    Firefox 129 on Mac 10

  • Mozilla/5.0 (X11; U; Linux MIPS32 1074Kf CPS QuadCore; en-US; rv:1.9.2.13) Gecko/20110103 Fedora/3.6.13-1.fc14 Firefox/3.6.13

    Firefox 3 on Fedora 14

  • Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.20) Gecko/20110804 Red Hat/3.6-2.el5 Firefox/3.6.20

    Firefox 3 on Red Hat 3

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