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.

65666 entries · Last updated Aug 31, 2026, 09:55:16 AM

Filters

Clear

Firefox User-Agents — updated Aug 31, 2026, 09:55:16 AM

9375 results
# Raw User-Agent Browser OS Device
1 Mozilla/5.0 (Macintosh; Intel Mac OS X 11.4; rv:136.0) Gecko/20100101 Firefox/136.0 Firefox 136.0 macOS —
2 Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:49.0) Gecko/20100101 Firefox/49.0 Firefox 49.0 Windows —
3 Mozilla/5.0 (Windows NT 11.0; brx-IN; rv:1.9.1.20) Gecko/2612-08-28 22:46:54.937958 Firefox/3.6.7 Firefox 3.6.7 Windows —
4 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_11_0; rv:1.9.5.20) Gecko/4605-12-13 09:35:06.973404 Firefox/3.8 Firefox 3.8 macOS —
5 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_10_7; rv:1.9.6.20) Gecko/5001-11-02 16:31:30.296906 Firefox/3.6.14 Firefox 3.6.14 macOS —
6 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_12_4; rv:1.9.4.20) Gecko/5406-04-17 14:25:03.041168 Firefox/3.6.4 Firefox 3.6.4 macOS —
7 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/3631-03-31 09:40:56.757401 Firefox/3.6.8 Firefox 3.6.8 Linux —
8 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:155.0) Gecko/20100101 Firefox/155.0 Firefox 155.0 macOS —
9 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/9822-09-09 08:14:25.834686 Firefox/14.0 Firefox 14.0 Linux —
10 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/3970-03-06 14:21:44.916939 Firefox/3.8 Firefox 3.8 Linux —
11 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/7270-02-05 23:41:16.055084 Firefox/15.0 Firefox 15.0 Linux —
12 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:154.0) Gecko/20100101 Firefox/154.0 Firefox 154.0 Windows —
13 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/8037-04-08 08:36:20.563202 Firefox/3.8 Firefox 3.8 Linux —
14 Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/3550-08-02 07:49:14.346153 Firefox/10.0 Firefox 10.0 Linux —
15 Mozilla/5.0 (Windows NT 10.0; ur-IN; rv:1.9.0.20) Gecko/2226-03-11 14:12:22.794157 Firefox/3.6.16 Firefox 3.6.16 Windows —
16 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/113.0 Firefox 113.0 macOS —
17 Mozilla/5.0 (Windows NT 5.1; is-IS; rv:1.9.1.20) Gecko/5849-05-26 07:32:51.024597 Firefox/3.6.5 Firefox 3.6.5 Windows —
18 Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/9888-01-23 04:24:01.842194 Firefox/3.6.1 Firefox 3.6.1 Linux —
19 Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/6240-10-12 05:02:54.605881 Firefox/5.0 Firefox 5.0 Linux —
20 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/3424-11-29 01:02:43.844223 Firefox/10.0 Firefox 10.0 Linux —
21 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.0 Firefox 137.0 Windows —
22 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_8_7; rv:1.9.5.20) Gecko/8613-02-23 23:17:04.049957 Firefox/3.6.9 Firefox 3.6.9 macOS —
23 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/6479-08-05 16:41:04.820801 Firefox/13.0 Firefox 13.0 Linux —
24 Mozilla/5.0 (Windows NT 6.0; ti-ET; rv:1.9.2.20) Gecko/4200-09-17 11:49:46.015839 Firefox/13.0 Firefox 13.0 Windows —
25 Mozilla/5.0 (Windows NT 5.2; rw-RW; rv:1.9.2.20) Gecko/4672-05-14 19:29:24.812500 Firefox/3.8 Firefox 3.8 Windows —
26 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_12_1; rv:1.9.4.20) Gecko/8837-10-28 20:06:50.949768 Firefox/12.0 Firefox 12.0 macOS —
27 Mozilla/5.0 (Windows 95; ckb-IQ; rv:1.9.1.20) Gecko/6618-12-15 16:32:37.335297 Firefox/3.8 Firefox 3.8 Windows —
28 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_7_4; rv:1.9.3.20) Gecko/2094-02-26 22:38:57.728926 Firefox/3.8 Firefox 3.8 macOS —
29 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/8899-08-14 19:16:26.860748 Firefox/15.0 Firefox 15.0 Linux —
30 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0 Firefox 134.0 Windows —
31 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/5311-12-10 23:32:58.149857 Firefox/3.6.3 Firefox 3.6.3 Linux —
32 Mozilla/5.0 (Windows NT 6.1; hne-IN; rv:1.9.1.20) Gecko/2528-02-04 12:41:55.318413 Firefox/4.0 Firefox 4.0 Windows —
33 Mozilla/5.0 (X11; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0 Firefox 125.0 Linux —
34 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_11_5; rv:1.9.3.20) Gecko/9336-04-05 08:17:15.175934 Firefox/3.6.2 Firefox 3.6.2 macOS —
35 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/6527-05-27 18:26:44.120697 Firefox/5.0 Firefox 5.0 Linux —
36 Mozilla/5.0 (Windows 98; bo-CN; rv:1.9.0.20) Gecko/3485-07-27 21:33:38.531700 Firefox/3.6.8 Firefox 3.6.8 Windows —
37 Mozilla/5.0 (Windows NT 6.1; pa-PK; rv:1.9.2.20) Gecko/2125-05-23 20:18:43.231119 Firefox/3.6.7 Firefox 3.6.7 Windows —
38 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/8121-06-29 21:01:07.758636 Firefox/3.8 Firefox 3.8 Linux —
39 Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/9412-03-14 13:15:12.499817 Firefox/3.8 Firefox 3.8 Linux —
40 Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0 Firefox 138.0 Ubuntu —
41 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_11_4; rv:1.9.6.20) Gecko/9573-08-15 17:38:55.346130 Firefox/11.0 Firefox 11.0 macOS —
42 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_5_5; rv:1.9.6.20) Gecko/7226-12-06 17:01:59.012665 Firefox/3.6.9 Firefox 3.6.9 macOS —
43 Mozilla/5.0 (Windows NT 10.0; WOW64; rv:135.0) Gecko/20100101 Firefox/135.0 Firefox 135.0 Windows —
44 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:154.0) Gecko/20100101 Firefox/154.0 Firefox 154.0 macOS —
45 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_11_0; rv:1.9.6.20) Gecko/7438-07-20 20:56:26.207855 Firefox/3.6.14 Firefox 3.6.14 macOS —
46 Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:77.0) Gecko/20100101 Firefox/77.0 Firefox 77.0 macOS —
47 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_11_9; rv:1.9.6.20) Gecko/8894-08-18 21:41:34.417755 Firefox/3.6.13 Firefox 3.6.13 macOS —
48 Mozilla/5.0 (Macintosh; Intel Mac OS X 12.7; rv:125.0) Gecko/20100101 Firefox/125.0 Firefox 125.0 macOS —
49 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_4; rv:1.9.3.20) Gecko/6629-04-08 03:17:11.524750 Firefox/5.0 Firefox 5.0 macOS —
50 Mozilla/5.0 (Windows NT 4.0; hne-IN; rv:1.9.2.20) Gecko/2644-11-06 06:33:16.592354 Firefox/3.8 Firefox 3.8 Windows —

Browse by

By Browser

Opera (14605) Chrome (13505) Safari (9998) Firefox (9374) Mobile Firefox (5250) Mobile Safari (5234) Mobile Chrome (4833) Edge (690) IE (679) GSA (155) Brave (125) Chrome WebView (124) WeChat (99) UCBrowser (83) Yandex (78) Android Browser (71) WebKit (62) QQBrowser (59) Samsung Internet (42) Baidu (33) Smart Lenovo Browser (32) Chrome Headless (32) MIUI Browser (32) Mozilla (32) DuckDuckGo (29) Vivaldi (26) Vivo Browser (26) Chromium (24) Electron (23) HeyTap (20) Opera Mini (18) Bing (16) Quark (13) IEMobile (11) NetFront (11) SeaMonkey (11) Huawei Browser (11) Konqueror (11) Maxthon (10) Iron (10)