Descargar o Firefox

Firefox is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Política de privacidade do Firefox

Firefox vs Opera

Firefox’s default privacy settings are stronger than Opera’s – and we have more features to prevent websites from tracking you, such as fingerprint blocking.

Firefox also has built-in tools such as:

Firefox offers a wide range of customization options, including the ability to move menus and toolbars to different locations on the browser window. Opera’s interface is less customizable.

Since we don’t have to make shareholders happy, we can focus on making you happy and always put your privacy and convenience first.

It’s easy to switch

Switching to Firefox is easy and fast — import your Opera bookmarks, your passwords, history, and preferences with one click and immediately be ready to use Firefox. Here’s how to use the Import button to switch.