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.

23167 entries · Last updated Jun 27, 2026, 02:57:12 AM

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Firefox User-Agents — updated Jun 27, 2026, 02:57:12 AM

3290 results
# Raw User-Agent Browser OS Device
1 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/2117-07-18 14:54:52.468962 Firefox/13.0 Firefox 13.0 Linux —
2 Mozilla/5.0 (Windows CE; zh-TW; rv:1.9.1.20) Gecko/6729-09-01 03:32:21.641602 Firefox/3.8 Firefox 3.8 Windows CE —
3 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_11_7; rv:1.9.6.20) Gecko/9669-03-19 09:44:14.682495 Firefox/12.0 Firefox 12.0 macOS —
4 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/2401-05-04 22:01:34.081758 Firefox/4.0 Firefox 4.0 Linux —
5 Mozilla/5.0 (Windows 98; tk-TM; rv:1.9.0.20) Gecko/2423-08-31 18:17:59.865870 Firefox/7.0 Firefox 7.0 Windows —
6 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_5_0; rv:1.9.4.20) Gecko/7925-05-13 14:22:33.555115 Firefox/12.0 Firefox 12.0 macOS —
7 Mozilla/5.0 (Windows 98; Win 9x 4.90; gv-GB; rv:1.9.2.20) Gecko/9059-03-25 01:59:50.470764 Firefox/3.6.16 Firefox 3.6.16 Windows —
8 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_10_7; rv:1.9.6.20) Gecko/2265-03-02 04:29:23.093906 Firefox/5.0 Firefox 5.0 macOS —
9 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/3579-04-12 09:14:16.067955 Firefox/7.0 Firefox 7.0 Linux —
10 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/3246-02-13 21:23:36.459099 Firefox/3.6.10 Firefox 3.6.10 Linux —
11 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/9890-06-17 08:44:05.537109 Firefox/7.0 Firefox 7.0 Linux —
12 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_11_4; rv:1.9.5.20) Gecko/4768-03-03 04:04:23.503204 Firefox/3.8 Firefox 3.8 macOS —
13 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/4937-07-01 20:36:35.426483 Firefox/3.8 Firefox 3.8 Linux —
14 Mozilla/5.0 (Windows NT 6.1; gez-ER; rv:1.9.1.20) Gecko/5145-12-14 10:21:02.024643 Firefox/3.8 Firefox 3.8 Windows —
15 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_1; rv:1.9.6.20) Gecko/8368-10-31 22:16:54.221558 Firefox/3.8 Firefox 3.8 macOS —
16 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_11_3; rv:1.9.2.20) Gecko/2324-11-04 05:01:53.419399 Firefox/10.0 Firefox 10.0 macOS —
17 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/4453-09-03 21:34:24.653214 Firefox/3.8 Firefox 3.8 Linux —
18 Mozilla/5.0 (Windows 98; Win 9x 4.90; ig-NG; rv:1.9.1.20) Gecko/2978-08-22 22:24:04.133976 Firefox/3.8 Firefox 3.8 Windows —
19 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_12_4; rv:1.9.3.20) Gecko/4657-10-06 08:44:41.187332 Firefox/3.6.20 Firefox 3.6.20 macOS —
20 Mozilla/5.0 (Windows NT 5.01; fo-FO; rv:1.9.1.20) Gecko/8755-03-03 01:35:07.101318 Firefox/12.0 Firefox 12.0 Windows —
21 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_12_7; rv:1.9.4.20) Gecko/7937-10-04 02:59:07.293365 Firefox/8.0 Firefox 8.0 macOS —
22 Mozilla/5.0 (Windows 95; tt-RU; rv:1.9.0.20) Gecko/9696-10-20 10:53:39.456512 Firefox/3.6.9 Firefox 3.6.9 Windows —
23 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_11_3; rv:1.9.6.20) Gecko/8725-04-26 05:00:44.292267 Firefox/3.8 Firefox 3.8 macOS —
24 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/8392-10-19 07:12:01.579071 Firefox/12.0 Firefox 12.0 Linux —
25 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_6; rv:1.9.6.20) Gecko/7372-11-12 21:57:25.090576 Firefox/7.0 Firefox 7.0 macOS —
26 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/3574-10-14 15:11:22.301010 Firefox/3.8 Firefox 3.8 Linux —
27 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/4430-03-11 14:48:46.626205 Firefox/3.6.7 Firefox 3.6.7 Linux —
28 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/2688-11-16 21:10:59.749073 Firefox/3.6.12 Firefox 3.6.12 Linux —
29 Mozilla/5.0 (Windows 98; ks-IN; rv:1.9.1.20) Gecko/3827-09-07 23:01:55.271729 Firefox/3.6.14 Firefox 3.6.14 Windows —
30 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/7808-10-21 10:41:19.617096 Firefox/3.6.7 Firefox 3.6.7 Linux —
31 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_6_6; rv:1.9.4.20) Gecko/4281-11-12 08:59:29.038147 Firefox/3.8 Firefox 3.8 macOS —
32 Mozilla/5.0 (Windows NT 10.0; sr-RS; rv:1.9.2.20) Gecko/5082-03-12 08:27:28.820847 Firefox/3.8 Firefox 3.8 Windows —
33 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/3758-11-20 10:56:58.456116 Firefox/3.6.2 Firefox 3.6.2 Linux —
34 Mozilla/5.0 (Windows 98; Win 9x 4.90; nb-NO; rv:1.9.2.20) Gecko/2630-09-02 04:00:36.397064 Firefox/3.6.9 Firefox 3.6.9 Windows —
35 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/8154-12-22 04:39:47.578186 Firefox/3.8 Firefox 3.8 Linux —
36 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/2159-08-06 19:18:18.621529 Firefox/13.0 Firefox 13.0 Linux —
37 Mozilla/5.0 (Windows NT 5.01; fil-PH; rv:1.9.0.20) Gecko/2999-09-29 01:39:11.001945 Firefox/8.0 Firefox 8.0 Windows —
38 Mozilla/5.0 (Windows NT 5.1; lo-LA; rv:1.9.2.20) Gecko/3682-01-06 16:01:43.407875 Firefox/15.0 Firefox 15.0 Windows —
39 Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:149.0) Gecko/20100101 Firefox/149.0 Firefox 149.0 Windows —
40 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/3238-09-30 09:20:02.918892 Firefox/3.6.17 Firefox 3.6.17 Linux —
41 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/6247-08-23 19:34:38.882828 Firefox/5.0 Firefox 5.0 Linux —
42 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_8_8; rv:1.9.3.20) Gecko/6236-09-17 09:39:10.110870 Firefox/3.8 Firefox 3.8 macOS —
43 Mozilla/5.0 (Windows NT 5.2; aa-ER; rv:1.9.2.20) Gecko/6553-05-03 07:02:02.341248 Firefox/3.6.20 Firefox 3.6.20 Windows —
44 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_11_9; rv:1.9.4.20) Gecko/7732-07-01 20:25:19.562531 Firefox/7.0 Firefox 7.0 macOS —
45 Mozilla/5.0 (Windows NT 6.0; hi-IN; rv:1.9.2.20) Gecko/3207-12-26 23:47:42.448013 Firefox/3.8 Firefox 3.8 Windows —
46 Mozilla/5.0 (Windows 95; doi-IN; rv:1.9.2.20) Gecko/8791-09-28 16:19:16.098633 Firefox/3.8 Firefox 3.8 Windows —
47 Mozilla/5.0 (Windows NT 5.0; lij-IT; rv:1.9.1.20) Gecko/7328-12-22 19:01:52.004395 Firefox/3.8 Firefox 3.8 Windows —
48 Mozilla/5.0 (Windows NT 11.0; brx-IN; rv:1.9.2.20) Gecko/6017-01-23 06:00:45.677032 Firefox/3.8 Firefox 3.8 Windows —
49 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_10_7; rv:1.9.2.20) Gecko/2025-07-16 07:12:35.494293 Firefox/3.8 Firefox 3.8 macOS —
50 Mozilla/5.0 (Windows NT 6.2; wae-CH; rv:1.9.2.20) Gecko/5552-06-13 19:00:10.798355 Firefox/3.8 Firefox 3.8 Windows —

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