Firefox

A living catalog of real browser User-Agent strings seen on CheckProxy.org and shared IP databases. Filter by browser, operating system, device type, or search the raw string — ideal for antidetect profiles and proxy testing.

1869 entries · Last updated Jun 6, 2026, 04:10:23 AM

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Firefox User-Agents — updated Jun 6, 2026, 04:10:23 AM

252 results
# Raw User-Agent Browser OS Device
51 Mozilla/5.0 (X11; Linux x86_64; rv:126.0) Gecko/20100101 Firefox/126.0 Firefox 126.0 Linux —
52 Mozilla/5.0 (X11; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0 Firefox 142.0 Linux —
53 Mozilla/5.0 (Macintosh; Intel Mac OS X 15.7; rv:149.0) Gecko/20100101 Firefox/149.0 Firefox 149.0 macOS —
54 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0 Firefox 126.0 Windows —
55 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115 Firefox 115 Windows —
56 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0 Firefox 89.0 Windows —
57 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:92.0) Gecko/20100101 Firefox/92.0 Firefox 92.0 Windows —
58 Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040614 Firefox/0.8 Firefox 0.8 Linux —
59 Mozilla/5.0 (Windows NT 6.1; rv:12.0) Gecko/20120403211507 Firefox/12.0 Firefox 12.0 Windows —
60 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0 Firefox 128.0 Windows —
61 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/6079-01-12 21:43:05.416534 Firefox/3.6.13 Firefox 3.6.13 Linux —
62 Mozilla/5.0 (X11; Linux x86_64; rv:151.0) Gecko/20100101 Firefox/151.0 Firefox 151.0 Linux —
63 Mozilla/5.0 (Windows NT 6.1; id-ID; rv:1.9.0.20) Gecko/8767-05-18 13:55:45.200592 Firefox/6.0 Firefox 6.0 Windows —
64 Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0 Firefox 147.0 Linux —
65 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:134.0) Gecko/20100101 Firefox/134.0 Firefox 134.0 macOS —
66 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0 Firefox 147.0 Ubuntu —
67 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0 Firefox 128.0 macOS —
68 Mozilla/5.0 (Windows NT 6.0; crh-UA; rv:1.9.0.20) Gecko/8353-09-06 14:54:57.557648 Firefox/7.0 Firefox 7.0 Windows —
69 Mozilla/5.0 (Windows NT 6.2; gv-GB; rv:1.9.0.20) Gecko/8970-12-29 06:54:38.471436 Firefox/3.8 Firefox 3.8 Windows —
70 Mozilla/5.0 (Windows NT 6.3; rv:36.0) Gecko/20100101 Firefox/36.0 Firefox 36.0 Windows —
71 Mozilla/5.0 (X11; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0 Firefox 136.0 Linux —
72 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:79.0) Gecko/20100101 Firefox/79.0 Firefox 79.0 macOS —
73 Mozilla/5.0 (Linux x86_64; rv:79.0) Gecko/20100101 Firefox/79.0 Firefox 79.0 Linux —
74 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0 Firefox 76.0 Windows —
75 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0 Firefox 74.0 Windows —
76 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0 Firefox 67.0 Windows —
77 Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:79.0) Gecko/20100101 Firefox/79.0 Firefox 79.0 Ubuntu —
78 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:79.0) Gecko/20100101 Firefox/79.0 Firefox 79.0 Ubuntu —
79 Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:73.0) Gecko/20100101 Firefox/73.0 Firefox 73.0 Windows —
80 Mozilla/5.0 (X11; Linux i686; rv:79.0) Gecko/20100101 Firefox/79.0 Firefox 79.0 Linux —
81 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:71.0) Gecko/20100101 Firefox/71.0 Firefox 71.0 Windows —
82 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:75.0) Gecko/20100101 Firefox/75.0 Firefox 75.0 Windows —
83 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:73.0) Gecko/20100101 Firefox/73.0 Firefox 73.0 Windows —
84 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0 Firefox 66.0 Windows —
85 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:79.0) Gecko/20100101 Firefox/79.0 Firefox 79.0 Windows —
86 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:72.0) Gecko/20100101 Firefox/72.0 Firefox 72.0 Windows —
87 Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:79.0) Gecko/20100101 Firefox/79.0 Firefox 79.0 Fedora —
88 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0 Firefox 77.0 Windows —
89 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:149.0) Gecko/20100101 Firefox/149.0 Firefox 149.0 Ubuntu —
90 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0 Firefox 137.0 Ubuntu —
91 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10; rv:33.0) Gecko/20100101 Firefox/33.0 Firefox 33.0 macOS —
92 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/109.0 Firefox 109.0 Windows —
93 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7; rv:121.0) Gecko/20100101 Firefox/121.0 Firefox 121.0 macOS —
94 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:109.0) Gecko/20100101 Firefox/115.0 Firefox 115.0 macOS —
95 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0 Firefox 135.0 Windows —
96 Mozilla/5.0 (Macintosh; Intel Mac OS X 13_6_1; rv:120.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 macOS —
97 Mozilla/5.0 (Macintosh; Intel Mac OS X 13_6_1; rv:119.0) Gecko/20100101 Firefox/119.0 Firefox 119.0 macOS —
98 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/146.0 Firefox 146.0 Windows —
99 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/135.0 Firefox 135.0 Windows —
100 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0 Firefox 139.0 macOS —

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