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.

33806 entries · Last updated Jul 21, 2026, 12:28:13 PM

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Firefox User-Agents — updated Jul 21, 2026, 12:28:13 PM

4820 results
# Raw User-Agent Browser OS Device
51 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/118.0 Firefox 118.0 Windows —
52 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:148.0) Gecko/20100101 Firefox/148.0 Firefox 148.0 Ubuntu —
53 Mozilla/5.0 (X11; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0 Firefox 137.0 Linux —
54 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0 Firefox 147.0 Ubuntu —
55 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0 Firefox 138.0 Ubuntu —
56 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0 Firefox 115.0 Windows —
57 Mozilla/5.0 (Windows NT 10.0; Win64; rv:143.0) Gecko/20100101 Firefox/143.0 Firefox 143.0 Windows —
58 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:151.0) Gecko/20100101 Firefox/151.0 Firefox 151.0 macOS —
59 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 Windows —
60 Mozilla/5.0 (X11; Linux x86_64; rv:148.0) Gecko/20100101 Firefox/148.0 Firefox 148.0 Linux —
61 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0esr) Gecko/20100101 Firefox/134.0esr/C0VeM8Rui18R20 Firefox 134.0esr Windows —
62 Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0 Firefox 147.0 Linux —
63 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:77.0) Gecko/20100101 Firefox/77.0 Firefox 77.0 macOS —
64 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0 Firefox 89.0 Windows —
65 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0 Firefox 139.0 macOS —
66 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/111.0 Firefox 111.0 Windows —
67 Mozilla/5.0 (X11; Linux x86_64; rv:149.0) Gecko/20100101 Firefox/149.0 Firefox 149.0 Linux —
68 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:109.0) Gecko/20100101 Firefox/115.0 Firefox 115.0 macOS —
69 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:151.0) Gecko/20100101 Firefox/151.0 Firefox 151.0 Windows —
70 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0 Firefox 150.0 Windows —
71 Mozilla/5.0 (X11; Linux x86_64; rv:120.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 Linux —
72 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0 Firefox 126.0 Windows —
73 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:147.0) Gecko/20100101 Firefox/147.0 Firefox 147.0 macOS —
74 Mozilla/5.0 (X11; Linux i686; rv:109.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 Linux —
75 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115 Firefox 115 Windows —
76 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:149.0) Gecko/20100101 Firefox/149.0 Firefox 149.0 macOS —
77 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0 Firefox 122.0 Windows —
78 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:124.0) Gecko/20100101 Firefox/124.0 Firefox 124.0 Windows —
79 Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 Firefox 123.0 Linux —
80 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/109.0 Firefox 109.0 Windows —
81 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:138.0) Gecko/20100101 Firefox/138.0 Firefox 138.0 macOS —
82 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123 Firefox 123 Windows —
83 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:82.0) Gecko/20100101 Firefox/82.0 Firefox 82.0 Windows —
84 Mozilla/5.0 (Windows NT 6.1; rv:33.0) Gecko/20100101 Firefox/33.0 Firefox 33.0 Windows —
85 Mozilla/5.0 (watchTowr; Windows NT 10.0; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0 Firefox 84.0 Windows —
86 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.4 Firefox 140.4 Windows —
87 Mozilla/5.0 (Macintosh; Intel Mac OS X 13_6_1; rv:120.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 macOS —
88 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/ Firefox/3.6.17 Firefox 3.6.17 Linux —
89 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:124.0) Gecko/20100101 Firefox/129.0 Firefox 129.0 macOS —
90 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0 Firefox 135.0 Windows —
91 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0 Firefox 122.0 macOS —
92 Mozilla/5.0 (X11; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0 Firefox 142.0 Linux —
93 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0 Firefox 152.0 macOS —
94 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:136.0) Gecko/20100101 Firefox/136.0 Firefox 136.0 Windows —
95 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:120.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 macOS —
96 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:148.0) Gecko/20100101 Firefox/148.0 Firefox 148.0 Windows —
97 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:115.0) Gecko/20100101 Firefox/115.0 Firefox 115.0 Windows —
98 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0 Firefox 153.0 Windows —
99 Mozilla/5.0 (X11; Linux x86_64; rv:150.0) Gecko/20100101 Firefox/150.0 Firefox 150.0 Linux —
100 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:150.0) Gecko/20100101 Firefox/150.0 Firefox 150.0 macOS —

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