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; 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

  • Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.10) Gecko/20100915 Ubuntu/9.04 (jaunty) Firefox/3.6.10

    Firefox 3 on Ubuntu 9

  • Mozilla/5.0 (X11; U; Linux AMD64; en-US; rv:1.9.2.3) Gecko/20100403 Ubuntu/10.10 (maverick) Firefox/3.6.3

    Firefox 3 on Ubuntu 10

  • Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101206 Red Hat/3.6-3.el4 Firefox/3.6.13

    Firefox 3 on Red Hat 3

  • Mozilla/5.0 (X11; U; Linux amd64; en-US; rv:5.0) Gecko/20110619 Firefox/5.0

    Firefox 5 on GNU/Linux

  • Mozilla/5.0 (X11; U; Linux amd64; rv:5.0) Gecko/20100101 Firefox/5.0 (Debian)

    Firefox 5 on Debian

  • Mozilla/5.0 (Windows NT 5.1; rv:6.0) Gecko/20100101 Firefox/6.0 FirePHP/0.6

    Firefox 6 on Windows XP

  • Mozilla/5.0 (X11; U; Linux i686; fa; rv:1.8.1.4) Gecko/20100527 Firefox/3.6.4

    Firefox 3 on GNU/Linux

  • Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.2.12) Gecko/20101027 Fedora/3.6.12-1.fc13 Firefox/3.6.12

    Firefox 3 on Fedora 13

  • Mozilla/5.0 (X11; U; Linux x86_64; es-MX; rv:1.9.2.12) Gecko/20101027 Ubuntu/10.04 (lucid) Firefox/3.6.12

    Firefox 3 on Ubuntu 10

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.28) Gecko/20120306 Firefox/3.6.28 ( .NET CLR 3.5.30729; .NET4.0C)

    Firefox 3 on Windows XP

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8

    Firefox 3 on Windows XP

  • Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.2) Gecko/20100316 Firefox/3.6.3

    Firefox 3 on GNU/Linux

  • Mozilla/5.0 (X11; U; Linux i686; ko-KR; rv:1.9.2.3) Gecko/20100423 Ubuntu/10.04 (lucid) Firefox/3.6.3

    Firefox 3 on Ubuntu 10

  • Mozilla/5.0 (X11; U; Linux i686; ru; rv:1.9.1.3) Gecko/20091020 Ubuntu/10.04 (lucid) Firefox/4.0.1

    Firefox 4 on Ubuntu 10

  • Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2a1pre) Gecko/20090405 Firefox/3.6a1pre

    Firefox 3 on GNU/Linux

  • Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101219 Gentoo Firefox/3.6.13

    Firefox 3 on Gentoo

  • Mozilla/5.0 (X11; U; Linux ppc; fr; rv:1.9.2.12) Gecko/20101027 Ubuntu/10.10 (maverick) Firefox/3.6.12

    Firefox 3 on Ubuntu 10

  • Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.2.15) Gecko/20110330 CentOS/3.6-1.el5.centos Firefox/3.6.15

    Firefox 3 on CentOS 5

  • Mozilla/5.0 (X11; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0

    Firefox 135 on GNU/Linux

  • Mozilla/5.0 (X11; U; Linux x86_64; ja-JP; rv:1.9.2.16) Gecko/20110323 Ubuntu/10.10 (maverick) Firefox/3.6.16

    Firefox 3 on Ubuntu 10

  • Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.2.10) Gecko/20100922 Ubuntu/10.10 (maverick) Firefox/3.6.10

    Firefox 3 on Ubuntu 10

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.28) Gecko/20120306 Firefox/5.0.1

    Firefox 5 on Windows XP

  • Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.12) Gecko/20101102 Firefox/3.6.12

    Firefox 3 on GNU/Linux

  • Mozilla/5.0 (X11; Linux i686 on x86_64; rv:5.0) Gecko/20100101 Firefox/3.6.17 Firefox/3.6.17

    Firefox 3 on GNU/Linux

  • Mozilla/5.0 (Windows NT 5.1; rv:2.0b13pre) Gecko/20110223 Firefox/4.0b13pre

    Firefox 4 on Windows XP

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; rv:15.0) Gecko/20121011 Firefox/15.0.1

    Firefox 15 on Windows XP

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; ko; rv:1.9.2.16) Gecko/20110319 Firefox/3.6.16 ( .NET CLR 3.5.30729; .NET4.0E)

    Firefox 3 on Windows XP

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; hu; 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; U; Linux i686; en-US; rv:1.9.2.14pre) Gecko/20110105 Firefox/3.6.14pre

    Firefox 3 on GNU/Linux

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