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.

33737 entries · Last updated Jul 20, 2026, 12:43:31 PM

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Firefox User-Agents — updated Jul 20, 2026, 12:43:31 PM

4813 results
# Raw User-Agent Browser OS Device
1 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.0 Firefox 137.0 Windows —
2 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:59.0) Gecko/20100101 Firefox/59.0 Firefox 59.0 Windows —
3 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/118.0 Firefox 118.0 Windows —
4 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0 Firefox 133.0 Windows —
5 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0 Firefox 89.0 Windows —
6 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 Windows —
7 Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.0 Firefox 140.0 Linux —
8 Mozilla/5.0 (X11; Linux x86_64; rv:149.0) Gecko/20100101 Firefox/149.0 Firefox 149.0 Linux —
9 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:152.0) Gecko/20100101 Firefox/152.0 Firefox 152.0 Windows —
10 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0 Firefox 136.0 Ubuntu —
11 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:109.0) Gecko/20100101 Firefox/115.0 Firefox 115.0 macOS —
12 Mozilla/5.0 (X11; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0 Firefox 125.0 Linux —
13 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0 Firefox 138.0 Ubuntu —
14 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:151.0) Gecko/20100101 Firefox/151.0 Firefox 151.0 Windows —
15 Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0 Firefox 152.0 Linux —
16 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0 Firefox 150.0 Windows —
17 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0 Firefox 147.0 Ubuntu —
18 Mozilla/5.0 (X11; Linux x86_64; rv:120.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 Linux —
19 Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0 Firefox 128.0 Linux —
20 Mozilla/5.0 (X11; Linux x86_64; rv:144.0) Gecko/20100101 Firefox/144.0 Firefox 144.0 Linux —
21 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0 Firefox 126.0 Windows —
22 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:147.0) Gecko/20100101 Firefox/147.0 Firefox 147.0 macOS —
23 Mozilla/5.0 (X11; Linux i686; rv:109.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 Linux —
24 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115 Firefox 115 Windows —
25 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:149.0) Gecko/20100101 Firefox/149.0 Firefox 149.0 macOS —
26 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0 Firefox 137.0 macOS —
27 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0 Firefox 122.0 Windows —
28 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:124.0) Gecko/20100101 Firefox/124.0 Firefox 124.0 Windows —
29 Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0 Firefox 123.0 Linux —
30 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:77.0) Gecko/20100101 Firefox/77.0 Firefox 77.0 macOS —
31 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:148.0) Gecko/20100101 Firefox/148.0 Firefox 148.0 macOS —
32 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:49.0) Gecko/20100101 Firefox/49.0 Firefox 49.0 Windows —
33 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0 Firefox 140.0 Windows —
34 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/109.0 Firefox 109.0 Windows —
35 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:138.0) Gecko/20100101 Firefox/138.0 Firefox 138.0 macOS —
36 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123 Firefox 123 Windows —
37 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:82.0) Gecko/20100101 Firefox/82.0 Firefox 82.0 Windows —
38 Mozilla/5.0 (Windows NT 6.1; rv:33.0) Gecko/20100101 Firefox/33.0 Firefox 33.0 Windows —
39 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:148.0) Gecko/20100101 Firefox/148.0 Firefox 148.0 Ubuntu —
40 Mozilla/5.0 (watchTowr; Windows NT 10.0; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0 Firefox 84.0 Windows —
41 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.4 Firefox 140.4 Windows —
42 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/111.0 Firefox 111.0 Windows —
43 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0 Firefox 115.0 Windows —
44 Mozilla/5.0 (Macintosh; Intel Mac OS X 13_6_1; rv:120.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 macOS —
45 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0 Firefox 119.0 Windows —
46 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/ Firefox/3.6.17 Firefox 3.6.17 Linux —
47 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:124.0) Gecko/20100101 Firefox/129.0 Firefox 129.0 macOS —
48 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:115.0) Gecko/20100101 Firefox/115.0 Firefox 115.0 Ubuntu —
49 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0 Firefox 135.0 Windows —
50 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0 Firefox 122.0 macOS —

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