The Firefox “Page Info” window gives you details about the page you're on. You can also use it to change permissions for the website.
Manage credit card autofill settings in Firefox version 81 and above.
This article describes the new extensions button and how to manage your extensions and their permissions directly from the Firefox toolbar.
How to make Web links open in Firefox automatically by setting it as the default browser on your computer.
How to disable the Enterprise Roots preference to fix TLS connection errors caused by antivirus software, without compromising security.
You can customize Firefox in many ways. This article explains how to customize Firefox controls, buttons and toolbars.
Firefox prevents media from playing automatically on websites you visit, unless you grant permission. Learn more about this feature.
Enable Firefox to launch automatically when Windows starts, providing quicker access to your browser and enhancing your browsing experience.
How to enable or block sites from accessing your camera and microphone on your desktop or mobile device.
The Pocket feature is included with Firefox by default. Learn how to disable or remove Pocket from Firefox and how to re-enable it.
The Picture-in-Picture feature allows you to pop videos out of their webpage, so you can watch while continuing to work in other tabs.
Firefox can handle audio and video content on web pages and can open some media files. Learn about supported formats and managing playback.
If Firefox was open when Windows shut down, Firefox may reopen automatically the next time you start Windows. You can disable this feature.
How to enable sync for logins and passwords on Firefox desktop
Different Firefox installations now use a separate profile to store your bookmarks, passwords and other settings. Learn more.
When you open Firefox after reaching a certain user milestone, you’re shown a Firefox Browser welcome page in a new tab. Learn more.
Learn how you can manage optional permissions for extensions in the Firefox Add-ons Manager.
This article explains how to block websites or filter website content in Firefox that may be offensive or inappropriate for children.
Firefox's built-in support for web feeds and Live Bookmarks ended in December 2018 with version 64. Learn more and find alternatives.
Manage your add-on shortcuts through the Manage Preferences menu in about:addons.
If your Custom settings match the settings in Standard, you will be switched back to Standard. This will not affect your settings.
This article explains Firefox's virtual reality features and how to manage permissions for websites that ask to access your VR devices.
Import data from your Safari browser into Firefox. You must enable Full Disk Access on macOS version 10.14 (Mojave).
How to disable high contrast mode if it's causing problems on some web pages.
Reviewing the extensions you have installed periodically can make it harder for malicious extensions to put your security and privacy at risk.
Snippets are brief messages from Firefox and Mozilla, displayed by default on the New Tab page in Firefox version 88 and below. Learn more.
Learn more about this Firefox anti-snooping feature designed to protect your logins and passwords from unauthorized access.
Learn more about the discontinuation of Firefox Notes on November 1, 2020.
This article describes changes to how downloads are handled in Firefox 98 and above and answers some frequently asked questions.
Sites can ask to install permission add-ons that modify Firefox’s default security behavior to give them extra privileges. Learn more.