Firefox User Agents

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

• Mozilla/5.0 (Windows NT 5.1; rv:20.0) Gecko/20100101 Firefox/20.0

  Firefox 20 on Windows XP

• Mozilla/5.0 (X11; FreeBSD amd64; rv:5.0) Gecko/20100101 Firefox/40.1

  Firefox 40 on FreeBSD

• Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:1.8.1.19) Gecko/20081216 Ubuntu/7.10 (gutsy) Firefox/2.0.0.19

  Firefox 2 on Ubuntu 7

• Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.1) Gecko/20090715 Firefox/3.5.1 ( .NET CLR 3.5.30729; .NET4.0C)

  Firefox 3 on Windows Vista

• Mozilla/5.0 (Windows NT 6.1; rv:35.5) Gecko/20100101 Firefox/35.5

  Firefox 35 on Windows 7

• Mozilla/5.0 (X11; U; Linux i686; sk; rv:1.9.0.4) Gecko/2008111217 Fedora/3.0.4-1.fc10 Firefox/3.0.4

  Firefox 3 on Fedora 10

• Mozilla/5.0 (Windows NT 6.3; WOW64; rv:41.0) Gecko/20100101 Firefox/41.0,gzip(gfe)

  Firefox 41 on Windows 8

• Mozilla/5.0 (X11; Fedora; Linux i686; rv:39.0) Gecko/20100101 Firefox/39.0

  Firefox 39 on Fedora

• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:29.0) Gecko/20100101 Firefox/39.0

  Firefox 39 on Windows 7

• Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.8) Gecko/20100214 Ubuntu/9.10 (karmic) Firefox/3.5.8

  Firefox 3 on Ubuntu 9

• Mozilla/5.0 (X11; Linux AMD64) Gecko Firefox/5.0

  Firefox 5 on GNU/Linux

• Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.19) Gecko/20110420 Firefox/3.5.19 (.NET CLR 3.5.30729)

  Firefox 3 on Windows Vista

• Mozilla/5.0 (X11; Linux i686; rv:16.0) Gecko/20100101 Firefox/16.0 PLC/PLC_3_2_1_GA HW/Zotac_AD04 SCREENRES/1024x768 PLCMODE/FOOTWALL RDC/1.144

  Firefox 16 on GNU/Linux

• Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.7; en-US; rv:1.9.2.3) Gecko/20100731 Firefox/4.0b3pre

  Firefox 4 on Mac 10

• Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.16) Gecko/20110319 Google Inc. Firefox/3.6.16

  Firefox 3 on Windows XP

• Mozilla/5.0 (X11; Linux i686; rv:10.0.2) Gecko/20100101 Firefox/10.0.2

  Firefox 10 on GNU/Linux

• Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.6.17-1.fc13 Firefox/3.6.17

  Firefox 3 on Fedora 13

• Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.2.24) Gecko/20111103 Firefox/3.6.24

  Firefox 3 on Mac 10

• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:20.0) Gecko/20100101 Firefox/40.0

  Firefox 40 on Windows 7

• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:20.0) Gecko/20100101 Firefox/38.0

  Firefox 38 on Windows 7

• Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20131023 Firefox/17.0

  Firefox 17 on GNU/Linux

• Mozilla/5.0 (Windows NT 5.1; rv:6.0.2) Gecko/20100101 Firefox/6.0.2

  Firefox 6 on Windows XP

• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:6.0.2) Gecko/20100101 Firefox/6.0.2

  Firefox 6 on Mac 10

• Mozilla/5.0 (X11; SunOS i86pc; rv:31.0) Gecko/20100101 Firefox/31.0

  Firefox 31 on Solaris

• Mozilla/5.0 (X11; Linux x86_64; rv:29.0) Gecko/20100101 Firefox/36.0

  Firefox 36 on GNU/Linux

• Mozilla/5.0 (X11; Linux x86_64; rv:) Gecko/20150907 Firefox/40.1

  Firefox 40 on GNU/Linux

• Mozilla/5.0 (Windows NT 5.2; rv:36.0) Gecko/20100101 Firefox/36.0

  Firefox 36 on Windows Server 2003

• Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; rv:12.0) Gecko/20100101 Firefox/12.0

  Firefox 12 on Windows 7

• Mozilla/5.0 (Windows NT 6.1; rv:37.0) Gecko/20100101 Firefox/37.049.148.218.56

  Firefox 37 on Windows 7

• Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.22) Gecko/20110907 Mandriva Linux/1.9.2.22-0.1mdv2010.2 (2010.2) Firefox/3.6.22

  Firefox 3 on Mandriva 2010

• Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20100101 Firefox/15.0.1

  Firefox 15 on GNU/Linux

• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:40.0) Gecko/20100101 Firefox/40.0,gzip(gfe)

  Firefox 40 on Mac 10

• Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.9.2.18) Gecko/20110614 Firefox/3.6.18 ( .NET CLR 3.5.30729)

  Firefox 3 on Windows XP

• Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.4) Gecko/2008102920 Firefox/3.0.4 (Splashtop-v1.2.13.0)

  Firefox 3 on GNU/Linux

• Mozilla/5.0 (Windows NT 5.1; rv:30.0) Gecko/20100101 Firefox/37.0

  Firefox 37 on Windows XP

• Mozilla/5.0 (Windows NT 5.1; rv:10.0) Gecko/20100101 Firefox/10.0

  Firefox 10 on Windows XP

• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0.3

  Firefox 40 on Windows 7

• Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.4; es-ES; rv:1.9.2.22) Gecko/20110902 Firefox/3.6.22

  Firefox 3 on Mac 10

• Mozilla/5.0 (Windows NT 6.2; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0 AlexaToolbar/alxf-2.21

  Firefox 40 on Windows 8

• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0.3) Gecko/20100101 Firefox/40.0.3

  Firefox 40 on Windows 7

• Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-US; rv:1.9.2.18) Gecko/20110614 Firefox/3.6.18

  Firefox 3 on Mac 10

• Mozilla/5.0 (Windows NT 5.1; en-US; rv:1.9.1.3) Gecko/20100101 Firefox/41.0

  Firefox 41 on Windows XP

• Mozilla/5.0 (Windows NT 5.1; en-US; rv:1.9.1.3) Gecko/20100101 Firefox/39.0

  Firefox 39 on Windows XP

• Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3

  Firefox 3 on Mac 10

• Mozilla/5.0 (Windows NT 6.0; rv:24.0) Gecko/20140105 Firefox/24.0 K-Meleon/74.0

  Firefox 24 on Windows Vista

• Mozilla/5.0 (Windows NT 4.9; rv:40.0) Gecko/20100101 Firefox/40.0

  Firefox 40 on Windows NT

• Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.8) Gecko/2009033100 Ubuntu/9.04 (jaunty) Firefox/3.0.8

  Firefox 3 on Ubuntu 9

• Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.7; en-US; rv:1.9.0.8) Gecko/2009032608 Firefox/3.0.8

  Firefox 3 on Mac 10

• Mozilla/5.0 (Windows NT 5.1; rv:15.0) Gecko/20100101 Firefox/15.0.1,gzip(gfe)

  Firefox 15 on Windows XP

• Mozilla/5.0 (X11; Linux i686; rv:5.0) Gecko/20110913 Firefox/5.0

  Firefox 5 on GNU/Linux