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 4.0; rv:17.0) Gecko/20100101 Firefox/17.0

  Firefox 17 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:52.0) Gecko/20100101 Firefox/16BE

  Firefox 16 on Windows NT

• Mozilla/5.0 (Windows; U; WinNT4.0; en-US; rv:1.7.9) Gecko/20050711 Firefox/50.0.2

  Firefox 50 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; sl-SI; rv:1.9.2.20) Gecko/20130421 Firefox/36.0

  Firefox 36 on Windows NT

• Mozilla/5.0 (Windows; U; WinNT4.0; en-US; rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20

  Firefox 2 on Windows NT

• Mozilla/5.0 (Windows; U; WinNT4.0; pt-BR; rv:1.9.2a1pre) Gecko/20100503 Firefox/3.6.4

  Firefox 3 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:15.0) Gecko/20100101 Firefox/15.0.1

  Firefox 15 on Windows NT

• Mozilla/5.0 (Windows; U; Windows NT 4.0; en-US; rv:1.8.0.2) Gecko/20060418 Firefox/52.0

  Firefox 52 on Windows NT

• Mozilla/5.0 (Windows NT 4.1; rv:66.6) Gecko/20100101 Firefox/66.6

  Firefox 66 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; en-US; rv:1.9.1.20) Gecko/20200914 Firefox/37.0

  Firefox 37 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:80.0) Gecko/20100101 Firefox/80.0

  Firefox 80 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:16.0) Gecko/20100101 Firefox/16.0

  Firefox 16 on Windows NT

• Mozilla/5.0 (Windows; U; WinNT4.0; en-US; rv:1.8.1.1) Gecko/20061204 Firefox/2.0.0.1

  Firefox 2 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:31.0) Gecko/20100101 Firefox/31.0 K-Meleon/75.1

  Firefox 31 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; Win64; x64; rv:80.0) Gecko/20100101 Firefox/80.0

  Firefox 80 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:10.0.1) Gecko/20100101 Firefox/10.0.1

  Firefox 10 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:41.0) Gecko/20100101 Firefox/41.0

  Firefox 41 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:25.0) Gecko/20100101 Firefox/25.0

  Firefox 25 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:32.0) Gecko/20100101 Firefox/32.0

  Firefox 32 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:20.0) Gecko/20100101 Firefox/20.0

  Firefox 20 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:18.0) Gecko/20100101 Firefox/18.0

  Firefox 18 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:23.0) Gecko/20100101 Firefox/23.0

  Firefox 23 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:10.0) Gecko/20100101 Firefox/10.0

  Firefox 10 on Windows NT

• Mozilla/5.0 (Windows; U; WinNT4.0; ru; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8

  Firefox 3 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:21.0) Gecko/20100101 Firefox/21.0

  Firefox 21 on Windows NT

• Mozilla/5.0 (Windows; U; WinNT4.0; ru; rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20 (.NET CLR 3.5.30729)

  Firefox 2 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:66.0) Gecko/20100101 Firefox/66.0

  Firefox 66 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; en-US; rv:1.8b4) Gecko/20050908 Firefox/1.4

  Firefox 1 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:1.5) Gecko/20100101 Firefox/1.5

  Firefox 1 on Windows NT

• Mozilla/5.0 (Windows; U; WinNT4.0; ja; rv:1.7.10) Gecko/20100401 Firefox/3.6

  Firefox 3 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:77.0) Gecko/20100101 Firefox/77.0

  Firefox 77 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:40.0) Gecko/20100101 Firefox/40.0

  Firefox 40 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; Win64; x64; rv:75.0) Gecko/20100101 Firefox/75.0

  Firefox 75 on Windows NT

• Mozilla/5.0 (Windows; U; WinNT4.0; en-US; rv:1.8.1.16) Gecko/20080702 Firefox/54.0

  Firefox 54 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:13.0) Gecko/20100101 Firefox/13.0.1

  Firefox 13 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:49.0) Gecko/20100101 Firefox/49.0

  Firefox 49 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:47.0) Gecko/20100101 Firefox/47.0

  Firefox 47 on Windows NT

• Mozilla/5.0 (Windows; U; WinNT4.0; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0

  Firefox 1 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:50.0) Gecko/20100101 Firefox/50.0

  Firefox 50 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:65.0) Gecko/20100101 Firefox/65.0

  Firefox 65 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:44.0) Gecko/20100101 Firefox/44.0

  Firefox 44 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:52.0) Gecko/20100101 Firefox/52.0,gzip(gfe)

  Firefox 52 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:38.0) Gecko/20100101 Firefox/38.0

  Firefox 38 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:38.0) Gecko/20100101 Firefox/38.0

  Firefox 38 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:37.0) Gecko/20100101 Firefox/37.0

  Firefox 37 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; WOW64; rv:39.0) Gecko/20100101 Firefox/39.0

  Firefox 39 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; rv:39.0) Gecko/20100101 Firefox/39.0

  Firefox 39 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:46.0) Gecko/20100101 Firefox/46.0

  Firefox 46 on Windows NT

• Mozilla/5.0 (Windows NT 4.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0

  Firefox 52 on Windows NT

• Mozilla/5.0 (Windows NT 4.10; rv:45.0) Gecko/20100101 Firefox/45.0

  Firefox 45 on Windows NT