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.

34169 entries · Last updated Jul 23, 2026, 01:10:11 PM

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Firefox User-Agents — updated Jul 23, 2026, 01:10:11 PM

4840 results
# Raw User-Agent Browser OS Device
901 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_9_9; rv:1.9.6.20) Gecko/3166-08-14 01:02:28.422852 Firefox/3.8 Firefox 3.8 macOS —
902 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_5_7; rv:1.9.6.20) Gecko/5217-03-17 10:32:01.924957 Firefox/10.0 Firefox 10.0 macOS —
903 Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/3335-03-11 11:39:09.095802 Firefox/3.6.15 Firefox 3.6.15 Linux —
904 Mozilla/5.0 (Windows NT 6.2; nl-BE; rv:1.9.0.20) Gecko/5181-01-30 21:42:04.357880 Firefox/4.0 Firefox 4.0 Windows —
905 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_6; rv:1.9.5.20) Gecko/2470-12-13 15:28:19.683590 Firefox/6.0 Firefox 6.0 macOS —
906 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_2; rv:1.9.2.20) Gecko/4874-04-26 19:04:14.219574 Firefox/3.8 Firefox 3.8 macOS —
907 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/3902-07-07 16:00:11.678078 Firefox/14.0 Firefox 14.0 Linux —
908 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/8346-07-29 17:19:12.721680 Firefox/3.6.9 Firefox 3.6.9 Linux —
909 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_7_0; rv:1.9.5.20) Gecko/9990-04-16 23:30:25.711792 Firefox/3.6.3 Firefox 3.6.3 macOS —
910 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_11_4; rv:1.9.5.20) Gecko/8382-09-10 20:51:58.938385 Firefox/9.0 Firefox 9.0 macOS —
911 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/4005-10-18 01:34:01.498299 Firefox/3.6.3 Firefox 3.6.3 Linux —
912 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_9_9; rv:1.9.5.20) Gecko/9231-07-25 06:53:33.398834 Firefox/3.6.3 Firefox 3.6.3 macOS —
913 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/6983-02-14 13:42:14.726440 Firefox/3.8 Firefox 3.8 Linux —
914 Mozilla/5.0 (Windows NT 4.0; ka-GE; rv:1.9.1.20) Gecko/8273-06-13 19:31:24.743958 Firefox/8.0 Firefox 8.0 Windows —
915 Mozilla/5.0 (Windows NT 6.0; ku-TR; rv:1.9.2.20) Gecko/8948-02-11 13:16:18.151398 Firefox/3.6.4 Firefox 3.6.4 Windows —
916 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_12_4; rv:1.9.2.20) Gecko/3800-06-05 12:37:51.353317 Firefox/3.8 Firefox 3.8 macOS —
917 Mozilla/5.0 (Windows NT 10.0; om-KE; rv:1.9.1.20) Gecko/2475-03-09 05:51:56.919964 Firefox/3.6.5 Firefox 3.6.5 Windows —
918 Mozilla/5.0 (Windows NT 5.0; csb-PL; rv:1.9.1.20) Gecko/3066-06-21 16:05:15.622215 Firefox/3.6.10 Firefox 3.6.10 Windows —
919 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_7_2; rv:1.9.4.20) Gecko/9366-11-12 20:42:36.548431 Firefox/3.8 Firefox 3.8 macOS —
920 Mozilla/5.0 (Windows NT 11.0; hak-TW; rv:1.9.1.20) Gecko/5343-05-24 18:55:27.994736 Firefox/3.8 Firefox 3.8 Windows —
921 Mozilla/5.0 (Windows NT 5.0; sc-IT; rv:1.9.1.20) Gecko/6453-09-26 07:24:26.472504 Firefox/3.6.18 Firefox 3.6.18 Windows —
922 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/5783-06-10 02:57:42.253296 Firefox/14.0 Firefox 14.0 Linux —
923 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/2628-09-09 16:54:08.879276 Firefox/3.6.16 Firefox 3.6.16 Linux —
924 Mozilla/5.0 (Windows 95; pt-BR; rv:1.9.2.20) Gecko/8266-08-13 16:35:56.000763 Firefox/8.0 Firefox 8.0 Windows —
925 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_8_4; rv:1.9.4.20) Gecko/6929-04-14 08:35:02.950317 Firefox/3.6.3 Firefox 3.6.3 macOS —
926 Mozilla/5.0 (Windows NT 6.2; kw-GB; rv:1.9.0.20) Gecko/7445-02-14 05:45:30.645752 Firefox/3.6.9 Firefox 3.6.9 Windows —
927 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_7; rv:1.9.5.20) Gecko/7917-08-26 05:41:02.797607 Firefox/3.6.11 Firefox 3.6.11 macOS —
928 Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_6_4; rv:1.9.4.20) Gecko/3696-10-21 00:42:39.600639 Firefox/5.0 Firefox 5.0 macOS —
929 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_0; rv:1.9.2.20) Gecko/9227-08-18 11:24:57.019928 Firefox/3.6.10 Firefox 3.6.10 macOS —
930 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/8225-02-21 18:34:40.145874 Firefox/14.0 Firefox 14.0 Linux —
931 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_7; rv:1.9.2.20) Gecko/3207-07-16 03:53:46.867378 Firefox/3.6.2 Firefox 3.6.2 macOS —
932 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/3264-02-10 15:25:31.270790 Firefox/3.8 Firefox 3.8 Linux —
933 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/5148-04-26 21:21:15.112183 Firefox/5.0 Firefox 5.0 Linux —
934 Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/6728-04-11 13:14:35.854004 Firefox/3.6.8 Firefox 3.6.8 Linux —
935 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/6227-09-09 04:47:56.599823 Firefox/3.8 Firefox 3.8 Linux —
936 Mozilla/5.0 (Windows NT 6.0; os-RU; rv:1.9.0.20) Gecko/7559-03-09 10:05:58.666138 Firefox/3.6.7 Firefox 3.6.7 Windows —
937 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/9930-12-08 23:59:01.386230 Firefox/5.0 Firefox 5.0 Linux —
938 Mozilla/5.0 (Windows 98; el-CY; rv:1.9.2.20) Gecko/3994-12-09 07:24:30.782829 Firefox/3.8 Firefox 3.8 Windows —
939 Mozilla/5.0 (Windows NT 11.0; mai-IN; rv:1.9.0.20) Gecko/3542-01-11 17:56:55.502502 Firefox/5.0 Firefox 5.0 Windows —
940 Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_3; rv:1.9.5.20) Gecko/8079-07-11 09:21:33.062225 Firefox/3.8 Firefox 3.8 macOS —
941 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/7635-01-07 20:39:16.612915 Firefox/3.8 Firefox 3.8 Linux —
942 Mozilla/5.0 (Windows NT 6.1; ro-RO; rv:1.9.0.20) Gecko/2647-05-04 09:51:38.181786 Firefox/3.8 Firefox 3.8 Windows —
943 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/9716-04-29 00:27:38.039886 Firefox/3.6.11 Firefox 3.6.11 Linux —
944 Mozilla/5.0 (Windows NT 5.1; ha-NG; rv:1.9.0.20) Gecko/5524-09-01 22:35:12.618286 Firefox/13.0 Firefox 13.0 Windows —
945 Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/2137-06-05 07:34:51.465004 Firefox/9.0 Firefox 9.0 Linux —
946 Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/4101-02-02 14:36:05.902130 Firefox/11.0 Firefox 11.0 Linux —
947 Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/2073-07-15 23:19:38.401311 Firefox/14.0 Firefox 14.0 Linux —
948 Mozilla/5.0 (Windows NT 4.0; gu-IN; rv:1.9.0.20) Gecko/3344-06-13 08:56:12.277962 Firefox/3.6.7 Firefox 3.6.7 Windows —
949 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_5_9; rv:1.9.6.20) Gecko/6211-04-15 17:55:31.546936 Firefox/3.6.9 Firefox 3.6.9 macOS —
950 Mozilla/5.0 (Macintosh; PPC Mac OS X 10_8_9; rv:1.9.4.20) Gecko/8781-03-17 09:50:10.277496 Firefox/3.8 Firefox 3.8 macOS —

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