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 (X11; Linux x86_64; rv:123.0) Gecko/20062901 Firefox/123.0
• Mozilla/5.0 (X11; Linux i686; en-US) Gecko/20002601 Firefox/123.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20010101 Firefox/123.0/9XBlYtCu5xFvbXCJ-73
• Mozilla/5.0 (X11; Linux x86_64) Gecko/20072109 Firefox/123.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:85.235.202.22]
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:56.0) Gecko/20100101 Firefox/123.0
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 YouBrowser/2.1.7
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:212.33.79.111]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:82.84.32.205]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.51.66.118]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:80.135.56.34]
• Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:77.71.142.170]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/125.0 Firefox/123.0
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/125.0 Firefox/123.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:2.44.140.8]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.65.244.184]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.65.247.129]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:87.104.250.72]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:151.63.241.148]
• Mozilla/5.0 (Android 14; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:84.60.178.210]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:82.6.77.153]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:2.44.143.24]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.146.171.184]
• Mozilla/5.0 (Windows NT 6.2; rv:123.0) Gecko/20100101 Firefox/123.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.65.245.55]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:31.27.12.26]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.65.245.71]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.65.247.119]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:213.194.42.123]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:2.44.142.127]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:78.208.117.233]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.65.245.219]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:78.210.111.253]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.146.169.115]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:151.18.174.26]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:78.210.234.124]
• Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:90.147.33.239]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:37.163.242.80]
• Mozilla/5.0 (Android 10; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:78.211.113.156]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:99.247.25.10]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:78.210.199.51]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:37.163.85.131]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:87.145.185.85]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:109.54.164.180]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:78.208.182.17]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.107.255]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:78.211.127.1]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:78.211.202.227]
• Mozilla/5.0 (X11; Linux x86_64:123.0) Gecko/20100101 Firefox/123.0 [ip:109.80.198.155]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.65.247.228]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:146.241.104.239]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.107.203]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:78.211.141.208]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.97.229]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:37.161.119.221]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:37.167.226.204]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.119.140]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:37.167.147.173]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.99.44]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:37.117.163.194]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:78.202.70.55]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:37.165.232.210]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.65.247.86]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:5.90.38.252]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:78.209.223.88]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:5.90.199.74]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.146.171.246]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:149.102.237.134]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.39.61.179]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.97.147]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:37.161.170.46]
• Mozilla/5.0 (Android 9; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:87.6.52.10]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.96.90]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:5.90.33.199]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.119.71]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.119.69]
• Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:151.78.196.7]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:81.56.54.213]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:78.0.162.145]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.119.65]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:90.52.44.233]
• Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:78.211.110.82]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.119.68]
• Mozilla/5.0 (Android 9; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:82.50.24.40]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:177.136.194.32]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:93.146.170.180]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:91.198.32.213]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:80.141.234.124]
• Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:81.17.122.90]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:91.52.135.139]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:94.110.80.137]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.99.196]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.107.184]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:151.43.238.3]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:151.43.242.126]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:91.11.157.231]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:151.43.94.174]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:78.1.199.148]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 [ip:78.243.96.179]
• Mozilla/5.0 (Android 13; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0 [ip:92.184.107.60]