Firefox is no longer supported on Windows 8.1 and below.
Please download Firefox ESR (Extended Support Release) to use Firefox.
Download Firefox ESR 64-bit
Download Firefox ESR 32-bit
Firefox is no longer supported on macOS 10.14 and below.
Get the not-for-profit-backed browser on Windows, Mac or Linux.
Take speed, privacy and peace of mind with you. On Android and iOS.
Simply private mobile browsing.
Read about new Firefox features and ways to stay safe online.
View all Firefox Browsers
See if your email has appeared in a company’s data breach.
Help prevent Facebook from collecting your data outside their site.
Save and discover the best stories from across the web.
Get protection beyond your browser, on all your devices.
Sign up for new accounts without handing over your email address.
New features and tools for a customized MDN experience
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Meet the not-for-profit behind Firefox that stands for a better web.
Nakāj dugui' ngà ñûnj da' gini'iāj nê' yi'i internêt gā hue'ê.
'Iaj sunj ngà yi'nïn' ri nej sa huin ruhuâ guì rigìi.
More About Mozilla
Firefox, Si gahui niñā man guendâ nej desarroyadôr.
Sa garasun nej desarroyadôr, giri man'an nej desarroyadôr.
Discover ways to bring bright ideas to life.
Ga'nïnj si nanèt da gā nî'nïnj sa nani'in nanè riña darûn'.
Gachrūn si Korreôt da' ga'ue gayi'ìt.
By proceeding, you agree to the Terms of Service and Privacy Notice.
Ngà huā si kuendâ raj? Gayi'ì Sesiûn
You already have a Mozilla account. Congrats!
Ahuin nānj man’an riña aga’ ga’ue girì’t man; gà’ si ‘ngō sistema operativo si gara’ñū’ūnj.