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 14; Mobile; rv:138.0) Gecko/26456153 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/23930807 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/10505311 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/29737752 Firefox/138.0 [ip:151.38.159.183]
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/29737752 Firefox/138.0 [ip:151.36.205.210]
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/19956350 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/17258982 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/10711186 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/10350146 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/29542406 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/14381581 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/19086557 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/15676495 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/24667268 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/18947858 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/19748479 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/28475997 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/27048329 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/17639987 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/22389915 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/17181491 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/29415326 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/24055200 Firefox/138.0 [ip:151.38.94.37]
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/14141929 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/11447111 Firefox/138.0 [ip:5.90.7.181]
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/26341232 Firefox/138.0 [ip:82.91.50.108]
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/24943110 Firefox/138.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0/ttFUFAIEKeDdIV-73
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/22397651 Firefox/138.0 [ip:5.91.235.209]
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/27733257 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/25833178 Firefox/138.0
• Mozilla/5.0 (Windows NT 10.0; WOW64; x64; rv:138.0esr) Gecko/20100101 Firefox/138.0esr
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/15879168 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/29606839 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/16982985 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/29772933 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/29265968 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/26571680 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/14970748 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/28579881 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/18470498 Firefox/138.0 [ip:93.44.45.205]
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/29559682 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/21517605 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/18373732 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/11500270 Firefox/138.0
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0.4
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/11808684 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/27659775 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/13064145 Firefox/138.0 [ip:84.247.160.154]
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/17003872 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/12847990 Firefox/138.0 [ip:37.161.169.254]
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/24057558 Firefox/138.0
• Mozilla/5.0 (Windows NT 10.0; WOW64; x64; rv:138.0) Gecko/20100101 Firefox/138.0/h4ALuHDrTs7-45
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/19013465 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/29895015 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/18079529 Firefox/138.0 [ip:176.5.51.184]
• Mozilla/5.0 (Windows NT 10.0.0 ; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/25418480 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/18075742 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/11165421 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/25343768 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/17462678 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/22126964 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/12474561 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/22478884 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/21341563 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/10655185 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/27648867 Firefox/138.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 14.1; rv:138.0) Gecko/20010101 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/29776722 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/17336598 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/22170084 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/11629493 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/20283761 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/25374680 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/29154060 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/12413697 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/12440134 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/18056352 Firefox/138.0 [ip:151.19.29.106]
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/10355828 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/23030927 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/26656037 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/17442857 Firefox/138.0 [ip:151.44.20.159]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12; rv:138.0) Gecko/20100101 Firefox/138.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:138.0) Gecko/20110101 Firefox/138.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 14.2; rv:138.0) Gecko/20010101 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/21172583 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/21203403 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/15606844 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/25619333 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/18118607 Firefox/138.0
• Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0 [ip:134.209.137.157]
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/28904188 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/16455743 Firefox/138.0 [ip:95.235.17.187]
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/29026273 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/17078300 Firefox/138.0 [ip:87.19.23.36]
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/18887585 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/17291586 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/24109519 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/12126566 Firefox/138.0