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.

34515 entries · Last updated Jul 26, 2026, 02:44:00 AM

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Firefox User-Agents — updated Jul 26, 2026, 02:44:00 AM

4868 results
# Raw User-Agent Browser OS Device
1751 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/8825-05-04 00:41:12.145966 Firefox/11.0 Firefox 11.0 Linux —
1752 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 —
1753 Mozilla/5.0 (Windows NT 11.0; te-IN; rv:1.9.0.20) Gecko/3189-03-27 13:28:55.823143 Firefox/3.6.4 Firefox 3.6.4 Windows —
1754 Mozilla/5.0 (Windows 98; Win 9x 4.90; en-US; rv:1.9.1.20) Gecko/5725-09-20 22:18:35.650894 Firefox/3.6.6 Firefox 3.6.6 Windows —
1755 Mozilla/5.0 (Windows 98; mr-IN; rv:1.9.1.20) Gecko/9255-02-22 03:23:09.117615 Firefox/11.0 Firefox 11.0 Windows —
1756 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/3673-10-10 10:36:40.751556 Firefox/3.8 Firefox 3.8 Linux —
1757 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/5183-03-29 18:04:37.935699 Firefox/4.0 Firefox 4.0 Linux —
1758 Mozilla/5.0 (Windows 98; Win 9x 4.90; pt-BR; rv:1.9.2.20) Gecko/6146-12-02 13:34:18.946518 Firefox/3.8 Firefox 3.8 Windows —
1759 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/2249-10-27 04:52:38.582794 Firefox/3.6.7 Firefox 3.6.7 Linux —
1760 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/2987-06-28 01:30:12.650738 Firefox/3.8 Firefox 3.8 Linux —
1761 Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/2926-07-20 05:38:44.461956 Firefox/5.0 Firefox 5.0 Linux —
1762 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_5_7; rv:1.9.5.20) Gecko/5945-06-10 15:30:41.702805 Firefox/5.0 Firefox 5.0 macOS —
1763 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/2466-02-18 10:58:23.053957 Firefox/12.0 Firefox 12.0 Linux —
1764 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_0; rv:1.9.2.20) Gecko/2414-12-23 09:41:01.844166 Firefox/3.8 Firefox 3.8 macOS —
1765 Mozilla/5.0 (Windows NT 5.1; si-LK; rv:1.9.2.20) Gecko/8280-07-31 20:39:25.350555 Firefox/3.8 Firefox 3.8 Windows —
1766 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/3123-01-06 07:43:53.686066 Firefox/3.6.7 Firefox 3.6.7 Linux —
1767 Mozilla/5.0 (Windows 95; or-IN; rv:1.9.2.20) Gecko/4207-09-08 13:53:42.508041 Firefox/3.6.5 Firefox 3.6.5 Windows —
1768 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_12_6; rv:1.9.5.20) Gecko/6628-07-20 10:15:06.359741 Firefox/3.6.5 Firefox 3.6.5 macOS —
1769 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/2141-12-16 19:09:24.445107 Firefox/3.6.19 Firefox 3.6.19 Linux —
1770 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_9; rv:1.9.5.20) Gecko/3498-04-20 05:01:12.267792 Firefox/3.8 Firefox 3.8 macOS —
1771 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_7_1; rv:1.9.4.20) Gecko/9726-08-05 12:27:20.368073 Firefox/3.6.15 Firefox 3.6.15 macOS —
1772 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/5418-05-11 19:32:24.148102 Firefox/13.0 Firefox 13.0 Linux —
1773 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/4450-03-09 05:35:24.350006 Firefox/8.0 Firefox 8.0 Linux —
1774 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_9_5; rv:1.9.4.20) Gecko/7765-12-26 20:58:30.062653 Firefox/7.0 Firefox 7.0 macOS —
1775 Mozilla/5.0 (Windows NT 6.0; dz-BT; rv:1.9.2.20) Gecko/6795-12-04 00:30:42.661499 Firefox/6.0 Firefox 6.0 Windows —
1776 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_5_7; rv:1.9.3.20) Gecko/9496-08-12 01:40:45.912506 Firefox/3.8 Firefox 3.8 macOS —
1777 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/2435-07-15 11:47:52.805891 Firefox/3.6.12 Firefox 3.6.12 Linux —
1778 Mozilla/5.0 (Windows NT 5.01; bhb-IN; rv:1.9.0.20) Gecko/4843-08-20 06:16:46.052048 Firefox/3.6.10 Firefox 3.6.10 Windows —
1779 Mozilla/5.0 (Windows NT 5.2; mr-IN; rv:1.9.1.20) Gecko/6039-09-16 08:58:04.526108 Firefox/3.8 Firefox 3.8 Windows —
1780 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/7452-07-26 21:26:16.624023 Firefox/3.8 Firefox 3.8 Linux —
1781 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_5_3; rv:1.9.3.20) Gecko/8795-11-02 16:39:01.891205 Firefox/3.6.5 Firefox 3.6.5 macOS —
1782 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/6920-12-17 05:22:05.211914 Firefox/8.0 Firefox 8.0 Linux —
1783 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_5_0; rv:1.9.2.20) Gecko/5032-03-22 21:02:14.040970 Firefox/5.0 Firefox 5.0 macOS —
1784 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/4177-07-21 02:25:06.904419 Firefox/3.6.17 Firefox 3.6.17 Linux —
1785 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/5872-03-19 18:02:56.862015 Firefox/3.6.10 Firefox 3.6.10 Linux —
1786 Mozilla/5.0 (Windows 98; Win 9x 4.90; nr-ZA; rv:1.9.2.20) Gecko/9685-08-23 01:50:19.526947 Firefox/15.0 Firefox 15.0 Windows —
1787 Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/8379-05-22 05:47:29.700836 Firefox/6.0 Firefox 6.0 Linux —
1788 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/7359-08-12 07:20:51.604095 Firefox/7.0 Firefox 7.0 Linux —
1789 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/7020-11-13 23:21:22.719238 Firefox/3.8 Firefox 3.8 Linux —
1790 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/5609-04-04 03:15:33.323563 Firefox/3.6.6 Firefox 3.6.6 Linux —
1791 Mozilla/5.0 (Windows 98; rw-RW; rv:1.9.2.20) Gecko/6489-06-03 17:04:34.424164 Firefox/3.8 Firefox 3.8 Windows —
1792 Mozilla/5.0 (Windows NT 4.0; bem-ZM; rv:1.9.2.20) Gecko/6871-09-10 18:45:09.312744 Firefox/3.6.1 Firefox 3.6.1 Windows —
1793 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_10_9; rv:1.9.2.20) Gecko/7813-04-29 21:12:12.430756 Firefox/3.8 Firefox 3.8 macOS —
1794 Mozilla/5.0 (Windows NT 6.1; ku-TR; rv:1.9.1.20) Gecko/7451-01-21 16:30:37.480225 Firefox/3.6.10 Firefox 3.6.10 Windows —
1795 Mozilla/5.0 (Windows NT 5.0; lo-LA; rv:1.9.1.20) Gecko/5814-08-31 17:27:35.748444 Firefox/3.6.15 Firefox 3.6.15 Windows —
1796 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/7142-12-05 09:28:10.160156 Firefox/3.8 Firefox 3.8 Linux —
1797 Mozilla/5.0 (Windows NT 5.0; gv-GB; rv:1.9.2.20) Gecko/2558-01-19 06:29:00.678295 Firefox/3.6.5 Firefox 3.6.5 Windows —
1798 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_6_5; rv:1.9.4.20) Gecko/3448-01-22 09:50:05.532364 Firefox/7.0 Firefox 7.0 macOS —
1799 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/2575-06-10 22:42:43.489822 Firefox/3.6.4 Firefox 3.6.4 Linux —
1800 Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/8914-02-18 15:51:29.532898 Firefox/7.0 Firefox 7.0 Linux —

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