For more information, please visit the following pages:

• Firefox
• Mozilla Foundation
• Gecko

Latest user agents (if you are looking for complete list, download it here):

• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:100.0) Gecko/20100101 Firefox/100.0/4CC8231DEC
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:8E413323BF7
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:47.53.174.44]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:47.53.71.75]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:93.144.116.136]
• Mozilla/5.0 (X11; U; Linux i686; rv:100.0) Gecko/20160219 Firefox/100.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:37.182.127.164]
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 Unique/97.7.4716.17
• Mozilla/5.0 (Android 8; Mobile; SM-G950F; rv:100.0) Gecko/90.0 Firefox/100.0
• Mozilla/5.0 (Android 8; Mobile; SM-G950F; rv:100.0) Gecko/90.0 Firefox/100.0 HCF/3.7.18
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:45.5.0.3]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:181.13.51.13]
• Mozilla/5.0 (X11; Linux x86_64; rv:100.0) Gecko/20100101 Firefox/100.0 Firefox 100.0 Linux
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:186.153.169.36]
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:190.221.32.158]
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:200.12.192.211]
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:100.0) Gecko/20100101 Firefox/100.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 Firefox 100.0 Win10
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.46.70]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.42.27]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:109.118.78.74]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.42.98]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.171.244.80]
• Mozilla/5.0 (Android 13; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.41.160]
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:93.71.240.33]
• Mozilla/5.0 (Android 11; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:37.161.76.141]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:37.163.88.8]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.40.80]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.46.179]
• Mozilla/5.0 (Android 11; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:37.161.253.70]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.160.145]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.54.139]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:5.90.69.2]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:151.38.99.94]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.45.95]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.63.184]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:184.66.170.11]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.91.240.224]
• Mozilla/5.0 (Android 11; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:37.161.131.95]
• Mozilla/5.0 (Android 11; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:37.163.68.166]
• Mozilla/5.0 (Android 11; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:79.41.229.81]
• Mozilla/5.0 (Android 7.1.2; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:188.4.214.23]
• Mozilla/5.0 (Android 7.1.2; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:212.251.16.95]
• Mozilla/5.0 (Android 11; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:151.82.223.15]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:5.90.76.46]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:51.179.114.10]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 h QwantMobile/4.2 [ip:178.239.36.160]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 h QwantMobile/4.2 [ip:37.160.4.108]
• Mozilla/5.0 (Android 7.1.2; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:46.246.242.202]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0QwantMobile/4.2 [ip:51.179.109.152]
• Mozilla/5.0 (Android 7.1.2; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:62.1.23.101]
• Mozilla/5.0 (Android 11; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:151.36.130.228]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 QwantMobile/4.2 [ip:37.161.144.196]
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:86.124.137.162]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 QwantMobile/4.2 [ip:176.201.95.87]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 QwantMobile/4.2 [ip:91.254.172.101]
• Mozilla/5.0 (Android 10; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 h QwantMobile/4.2 [ip:176.201.104.218]
• Mozilla/5.0 (Android 11; Mobile; rv:100.0) Gecko/100.0 Firefox/100.0 [ip:37.161.21.200]
• Mozilla/5.0 (X11; Manjaro; Linux x86_64; rv:100.0) Gecko/20100101 Firefox/100.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 11_5; rv:100.0esr) Gecko/20010101 Firefox/100.0esr
• Mozilla/5.0 (X11; U; Linux x86_64; rv:100.0) Gecko/20160601 Firefox/100.0
• Mozilla/5.0 (Windows NT 10.0; Win64; rv:100.0) Gecko/20100101 Firefox/100.0/H0Zic45ko5SwiP
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:100.0) Gecko/20000101 Firefox/100.0/qUVzcZ7Thvb0e5-82
• Mozilla/5.0 (X11; Linux i686; en-US; rv:100.0) Gecko/20060409 Firefox/100.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 11_14; rv:100.0) Gecko/20100101 Firefox/100.0
• Mozilla/5.0 (Android 12; Mobile; LG-M255; rv:102.0) Gecko/102.0 Firefox/100.0
• Mozilla/5.0 (Android 12; Mobile; LG-M255; rv:102.0) Gecko/102.0 Firefox/100.0.2
• Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2; rv:100.0) Gecko/20110101 Firefox/100.0
• Mozilla/5.0 (Android 12; Mobile; rv:68.0) Gecko/68.0 Firefox/100.0.2
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/100.0
• Mozilla/5.0 (Android 12; Mobile; LG-M255; rv:102.0) Gecko/102.0 Firefox/100.0.1
• Mozilla/5.0 (Android 12; Mobile; rv:68.0) Gecko/68.0 Firefox/100.0.1
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10_3; rv:100.0) Gecko/20100101 Firefox/100.0
• Mozilla/5.0 (X11; U; Linux x86_64) Gecko/20061609 Firefox/100.0
• Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:100.0) Gecko/20062214 Firefox/100.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.4; rv:101.0) Gecko/20100101 Firefox/100.0.1
• Mozilla/5.0 (Windows NT 10.0; Win64; rv:100.0esr) Gecko/20010101 Firefox/100.0esr/3ivAhOH4uijZ-65
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:102.0) Gecko/20100101 Firefox/100.0.1
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:102.0) Gecko/20100101 Firefox/100.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/100.0.2
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/100.0.1
• Mozilla/5.0 (X11; U; Linux x86_64; en-US) Gecko/20002209 Firefox/100.0
• Mozilla/5.0 (X11; Linux x86_64; en-US) Gecko/20110604 Firefox/100.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.4; rv:101.0) Gecko/20100101 Firefox/100.0.2
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 Config/100.2.3041.42
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.4; rv:101.0) Gecko/20100101 Firefox/100.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:5.179.165.57]
• Mozilla/5.0 (X11; Linux x86_64; en-GB; rv:100.0) Gecko/20011111 Firefox/100.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/100.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:102.0) Gecko/20100101 Firefox/100.0.2
• Mozilla/5.0 (X11; Linux x86_64; en-US; rv:100.0esr) Gecko/20060611 Firefox/100.0esr
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 [ip:150.146.140.2]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0esr) Gecko/20010101 Firefox/100.0esr/tHsSyPV4LjAn8zKZ-60
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 TO-Browser/TOB7.100.0.305_10
• Mozilla/5.0 (X11; Fedora; Linux aarch64; rv:100.0) Gecko/20100101 Firefox/100.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12; rv:100.0) Gecko/20100101 Firefox/100.0
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0 OpenWave/97.4.1753.54
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/100.0.2