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 13; Mobile; rv:103.0.0) Gecko/103.0.0 Firefox/103.0.0
• Mozilla/5.0 (Android 10; Mobile; rv:103.0.2) Gecko/103.0.2 Firefox/103.0.2
• Mozilla/5.0 (Android 6; Mobile; rv:103.0.1) Gecko/103.0.1 Firefox/103.0.1
• Mozilla/5.0 (Android 7; Mobile; rv:103.0.0) Gecko/103.0.0 Firefox/103.0.0
• Mozilla/5.0 (Android 12.1; Mobile; rv:103.0.0) Gecko/103.0.0 Firefox/103.0.0
• Mozilla/5.0 (Android 7.1; Mobile; rv:103.0.0) Gecko/103.0.0 Firefox/103.0.0
• Mozilla/5.0 (Android 5; Mobile; rv:103.0.2) Gecko/103.0.2 Firefox/103.0.2
• Mozilla/5.0 (Android 13; Mobile; rv:103.0.1) Gecko/103.0.1 Firefox/103.0.1
• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:103.0.2) Gecko/20100101 Firefox/103.0.2
• Mozilla/5.0 (Android 8.1; Mobile; rv:103.0.2) Gecko/103.0.2 Firefox/103.0.2
• Mozilla/5.0 (Android 12; Mobile; rv:103.0.1) Gecko/103.0.1 Firefox/103.0.1
• Mozilla/5.0 (X11; Arch Linux; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0
• Mozilla/5.0 (X11; openSUSE; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0
• Mozilla/5.0 (X11; Linux Mint; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0
• Mozilla/5.0 (SunOS; SunOS 5.10; rv:103.0) Gecko/20100101 Firefox/103.0
• Mozilla/5.0 (Android 11; Mobile; rv:103.0.0) Gecko/103.0.0 Firefox/103.0.0
• Mozilla/5.0 (Android 6; Mobile; rv:103.0.0) Gecko/103.0.0 Firefox/103.0.0
• Mozilla/5.0 (Android 13; Mobile; rv:103.0.2) Gecko/103.0.2 Firefox/103.0.2
• Mozilla/5.0 (Android 5.1; Mobile; rv:103.0.1) Gecko/103.0.1 Firefox/103.0.1
• Mozilla/5.0 (Android 7; Mobile; rv:103.0.2) Gecko/103.0.2 Firefox/103.0.2
• Mozilla/5.0 (Android 7.1; Mobile; rv:103.0.2) Gecko/103.0.2 Firefox/103.0.2
• Mozilla/5.0 (Windows NT 10.0; WOW64; x64; rv:103.0esr) Gecko/20100101 Firefox/103.0esr/1hhAaHKtE8-84
• Mozilla/5.0 (Android 8; Mobile; rv:103.0.2) Gecko/103.0.2 Firefox/103.0.2
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20110101 Firefox/103.0/RayJqMxbv
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10_17_6; rv:103.0) Gecko/20010101 Firefox/103.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 11_1_5; rv:103.0) Gecko/20110101 Firefox/103.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0 [ip:79.60.126.167]
• Mozilla/5.0 (X11; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0 [ip:46.112.84.16]
• Mozilla/5.0 (X11; Linux x86_64; rv:103.0) Gecko/20100101 Firefox/103.0 [ip:46.112.100.4]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.083533
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.073411
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.038289
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.026868
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.066816
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.027579
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.028182
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.02383
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.036160
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.077278
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.052516
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.08410
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.036222
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.093444
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.050045
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.018678
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.011354
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.05112
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.077656
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.025709
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.068104
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.028633
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.078557
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.052926
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.056892
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0 [ip:176.201.122.56]
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.069221
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.02292
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.043313
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.057910
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.099202
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.013437
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.01669
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.088166
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.085472
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.048514
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.024025
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.078178
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.083600
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.078863
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.062749
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.051284
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.068086
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.069252
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.097868
• Mozilla/5.0 (Macintosh; Intel Mac OS X 11_5; rv:103.0) Gecko/20010101 Firefox/103.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0esr) Gecko/20100101 Firefox/103.0esr
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0 [ip:151.4.195.217]
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0 [ip:2.196.231.2]
• Mozilla/5.0 (Android 9; Mobile; rv:103.0) Gecko/103.0 Firefox/103.0 365Firefox 103 on Android (Pie)
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.089693
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.04801
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.024321
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.05360
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.081133
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.095423
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5; rv:103.0) Gecko/20100101 Firefox/103.0
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.072337
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.045326
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.078970
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.09696
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.025858
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.023978
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.068923
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.060635
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.087400
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.012863
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.035189
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.044266
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.089652
• Mozilla/5.0 (Macintosh; Intel Mac OS X 12.5; rv:103.0) Gecko/20100101 Firefox/103.012110