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.

33926 entries · Last updated Jul 22, 2026, 06:41:43 AM

Filters

Clear

Firefox User-Agents — updated Jul 22, 2026, 06:41:43 AM

4822 results
# Raw User-Agent Browser OS Device
101 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/ Firefox/3.6.17 Firefox 3.6.17 Linux —
102 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:124.0) Gecko/20100101 Firefox/129.0 Firefox 129.0 macOS —
103 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0 Firefox 135.0 Windows —
104 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0 Firefox 122.0 macOS —
105 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:152.0) Gecko/20100101 Firefox/152.0 Firefox 152.0 macOS —
106 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:120.0) Gecko/20100101 Firefox/120.0 Firefox 120.0 macOS —
107 Mozilla/5.0 (X11; Linux x86_64; rv:150.0) Gecko/20100101 Firefox/150.0 Firefox 150.0 Linux —
108 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:150.0) Gecko/20100101 Firefox/150.0 Firefox 150.0 macOS —
109 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:115.0) Gecko/20100101 Firefox/115.0 Firefox 115.0 macOS —
110 Mozilla/5.0 (X11; Linux x86_64; rv:151.0) Gecko/20100101 Firefox/151.0 Firefox 151.0 Linux —
111 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:143.0) Gecko/20100101 Firefox/143.0 Firefox 143.0 Windows —
112 Mozilla/5.0 (X11; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0 Firefox 145.0 Linux —
113 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 Firefox 121.0 Windows —
114 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:97.0) Gecko/20100101 Firefox/97.0 Firefox 97.0 Windows —
115 Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0 Firefox 115.0 Windows —
116 Mozilla/5.0 (Windows 95; ff-SN; rv:1.9.1.20) Gecko/9060-05-10 16:30:59.223358 Firefox/3.8 Firefox 3.8 Windows —
117 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0 Firefox 127.0 Windows —
118 Mozilla/5.0 (X11; Linux x86_64; rv:153.0) Gecko/20100101 Firefox/153.0 Firefox 153.0 Linux —
119 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_7_5; rv:1.9.6.20) Gecko/9385-12-29 08:56:09.457367 Firefox/3.8 Firefox 3.8 macOS —
120 Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0 Firefox 119.0 Linux —
121 Mozilla/5.0 (Windows NT 10.0; WOW64; Rv:50.0) Gecko/20100101 Firefox/50.0 Firefox 50.0 Windows —
122 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/128.0 Firefox 128.0 Windows —
123 Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0 Firefox 115.0 Linux —
124 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0 Firefox 128.0 macOS —
125 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7; rv:118.0) Gecko/20100101 Firefox/118.0 Firefox 118.0 macOS —
126 Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.12pre) Gecko/20080122 Firefox/2.0.0.12pre Firefox 2.0.0.12pre macOS —
127 Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8) Gecko/20060119 Debian/1.5.dfsg-4ubuntu3 Firefox/1.5 Firefox 1.5 Debian —
128 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0.1) Gecko/20100101 Firefox/4.0.1 Firefox 4.0.1 Windows —
129 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0 Firefox 128.0 Windows —
130 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0 Firefox 123.0 Windows —
131 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:125.0) Gecko/20100101 Firefox/125.0 Firefox 125.0 macOS —
132 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0 Firefox 124.0 Ubuntu —
133 Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0 Firefox 121.0 Linux —
134 Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.11) Gecko/2009060309 Ubuntu/9.10 (karmic) Firefox/3.0.11 Firefox 3.0.11 Ubuntu —
135 Mozilla/5.0 (X11; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0 Firefox 136.0 Linux —
136 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:148.0.2) Gecko/20100101 Firefox/148.0.2 Firefox 148.0.2 Windows —
137 Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0 Firefox 133.0 Linux —
138 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.0 Firefox 133.0 macOS —
139 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:126.0) Gecko/20100101 Firefox/126.0 Firefox 126.0 macOS —
140 Mozilla/5.0184010163 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0 Firefox 57.0 Windows —
141 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:114.0) Gecko/20100101 Firefox/114.0 Firefox 114.0 Windows —
142 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:135.0) Gecko/20100101 Firefox/135.0 Firefox 135.0 macOS —
143 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:77.0) Gecko/20190101 Firefox/77.0 Firefox 77.0 Windows —
144 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:77.0) Gecko/20100101 Firefox/77.0 Firefox 77.0 Windows —
145 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_9_9; rv:1.9.3.20) Gecko/8211-09-27 21:11:01.817627 Firefox/7.0 Firefox 7.0 macOS —
146 Mozilla/5.0 (Windows NT 5.1; pl-PL; rv:1.9.0.20) Gecko/4552-12-28 22:40:32.195908 Firefox/3.8 Firefox 3.8 Windows —
147 Mozilla/5.0 (Windows 95; li-BE; rv:1.9.0.20) Gecko/6873-05-12 14:40:04.784790 Firefox/3.6.17 Firefox 3.6.17 Windows —
148 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_10_3; rv:1.9.5.20) Gecko/2849-02-28 04:11:09.756874 Firefox/3.8 Firefox 3.8 macOS —
149 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_5; rv:1.9.6.20) Gecko/4790-04-24 05:22:11.392654 Firefox/5.0 Firefox 5.0 macOS —
150 Mozilla/5.0 (Windows NT 6.2; gez-ER; rv:1.9.1.20) Gecko/3004-12-17 13:54:07.729984 Firefox/3.8 Firefox 3.8 Windows —

Browse by

By Browser

Chrome (7290) Opera (7247) Safari (4928) Firefox (4821) Mobile Firefox (2795) Mobile Safari (2677) Mobile Chrome (2333) Edge (474) IE (467) Brave (122) GSA (78) Yandex (58) Chrome WebView (51) WebKit (47) WeChat (42) Android Browser (42) Samsung Internet (34) UCBrowser (34) QQBrowser (29) Chrome Headless (23) Vivaldi (20) Chromium (19) DuckDuckGo (15) Smart Lenovo Browser (15) Electron (14) MIUI Browser (12) Vivo Browser (12) SeaMonkey (11) NetFront (10) Konqueror (10) Mozilla (10) IEMobile (9) Maxthon (9) Opera Mini (9) Iron (8) Opera Touch (7) Baidu (7) Facebook (6) Whale (6) Sogou Explorer (6)