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 (Android 10; Mobile; rv:131.0) Gecko/23564782 Firefox/131.0
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/22817530 Firefox/131.0
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/14534189 Firefox/131.0
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/12799414 Firefox/131.0
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/24367848 Firefox/131.0
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/18394846 Firefox/131.0
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/28189581 Firefox/131.0
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/27380454 Firefox/131.0
• Mozilla/5.0 (Android 10; Mobile; rv:131.0) Gecko/24446261 Firefox/131.0
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/17467449 Firefox/131.0
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/25564367 Firefox/131.0
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/24302603 Firefox/131.0
• Mozilla/5.0 (Android 12; Mobile; rv:131.0) Gecko/16627174 Firefox/131.0
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/28071374 Firefox/131.0 [ip:5.91.57.241]
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/10898213 Firefox/131.0
• Mozilla/5.0 (Android 10; Mobile; rv:131.0) Gecko/23005042 Firefox/131.0
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/13572369 Firefox/131.0
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/13419216 Firefox/131.0
• Mozilla/5.0 (Android 12; Mobile; rv:131.0) Gecko/24803015 Firefox/131.0
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/15937308 Firefox/131.0
• Mozilla/5.0 (Android 10; Mobile; rv:131.0) Gecko/22323058 Firefox/131.0 [ip:93.44.196.155]
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/21407794 Firefox/131.0
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/24520612 Firefox/131.0
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/14797556 Firefox/131.0
• Mozilla/5.0 (Android 10; Mobile; rv:131.0) Gecko/13880971 Firefox/131.0 [ip:93.44.196.155]
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/10496542 Firefox/131.0
• Mozilla/5.0 (Android 10; Mobile; rv:131.0) Gecko/19580125 Firefox/131.0
• Mozilla/5.0 (Android 10; Mobile; rv:131.0) Gecko/22131389 Firefox/131.0 [ip:31.148.135.191]
• Mozilla/5.0 (Android 12; Mobile; rv:131.0) Gecko/13409781 Firefox/131.0
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/10007546 Firefox/131.0
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/18212154 Firefox/131.0
• Mozilla/5.0 (Android 12; Mobile; rv:131.0) Gecko/11608186 Firefox/131.0 [ip:151.64.31.254]
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/19792439 Firefox/131.0 [ip:151.64.31.254]
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/15889650 Firefox/131.0 [ip:109.40.177.218]
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/24404775 Firefox/131.0
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/15232364 Firefox/131.0
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/25030045 Firefox/131.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:151.31.101.126]
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/20068933 Firefox/131.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:151.25.226.130]
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/21913195 Firefox/131.0
• Mozilla/5.0 (Windows NT 10.0; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:151.44.28.246]
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/22260217 Firefox/131.0
• Mozilla/5.0 (Android 12; Mobile; rv:131.0) Gecko/27160743 Firefox/131.0
• Mozilla/5.0 (Android 14; Mobile; rv:131.0) Gecko/11943372 Firefox/131.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:5.179.146.214]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:5.179.167.195]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:5.77.115.125]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:169.150.196.105]
• Mozilla/5.0 (Android 10; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0 [ip:87.88.187.51]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:5.179.140.140]
• Mozilla/5.0 (Android 10; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0 [ip:87.88.191.7]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:5.77.68.25]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:78.210.187.90]
• Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:80.104.241.51]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0.2
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0.3
• Mozilla/5.0 (X11; GNU/Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:5.226.71.26]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 TO-Browser/TOB7.131.0.307_01 [ip:79.219.37.250]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 TO-Browser/TOB7.131.0.307_10 [ip:87.145.3.87]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:117.231.151.254]
• Mozilla/5.0 (X11; Ubuntu-4.10; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:31.14.252.8]
• Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:93.65.107.227]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:90.29.32.214]
• Mozilla/5.0 (Windows NT 10.0; WOW64; x64; rv:131.0esr) Gecko/20100101 Firefox/131.0esr/Jdmm3orl3jX-51
• Mozilla/5.0 (Android 12; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0 [ip:151.33.236.128]
• Mozilla/5.0 (X11; Linux; en-GB; rv:131.0esr) Gecko/20172519 Firefox/131.0esr
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:87.4.163.48]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:213.142.97.165]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:93.146.170.27]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:46.125.249.90]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:152.156.178.61]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:152.156.191.193]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:93.65.247.201]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:93.146.170.190]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/131.0
• Mozilla/5.0 (Android 13; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0 [ip:93.38.246.100]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:45.139.213.156]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:80.182.73.28]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:109.113.15.236]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:216.128.26.193]
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0 [ip:151.57.90.50]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:87.20.176.2]
• Mozilla/5.0 (X11; Linux x86_64) Gecko/20100101 Firefox/131.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:93.103.52.40]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:62.49.166.156]
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0 [ip:151.43.36.202]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:77.105.220.38]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:151.43.195.197]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:2.38.239.40]
• Mozilla/5.0 (Android 11; Mobile; rv:131.0) Gecko/131.0 Firefox/131.0 [ip:151.46.151.208]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 RHkgHcfY-36 Firefox/131.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:2.36.105.87]
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:196.61.44.58]
• Mozilla/5.0 (Windows NT 10.0; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:151.75.232.163]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:177.236.42.167]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:151.44.199.135]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0 [ip:93.38.68.116]