Customize controls, options and add-ons
Make Firefox yours by adding and managing the features that you want.
Firefox Page Info window
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.
Firefox Browser welcome pages - helping you get more from Firefox products and services
When you open the Firefox Browser after reaching a certain user milestone, you’re shown a Firefox Browser welcome page in a new tab.
Customize Firefox controls, buttons and toolbars
Firefox is easy to customize. Put your favorite features right where you want them. We'll show you how.
Make Firefox your default browser
Make web links open in Firefox automatically by setting it as the default browser on your computer. This article explains how to do that.
About Picture-in-Picture in Firefox
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.
Does Firefox share my location with websites?
Learn what information Firefox sends to web sites about your location and how to use and manage location-aware features of your browser.
Sync logins in Firefox desktop
How to enable sync for logins and passwords on Firefox desktop
Allow or block media autoplay in Firefox
Firefox prevents media from playing automatically on websites you visit, unless you grant permission. Learn more about this feature.
Dedicated profiles per Firefox installation
Since Firefox version 67, different Firefox installations have separate profiles. Learn more.
Block and unblock websites with parental controls on Firefox
This article explains how to block websites or filter website content in Firefox that may be offensive or inappropriate for children.
Manage extension shortcuts in Firefox
Manage your add-on shortcuts through the Manage Preferences menu in about:addons.
Disable high contrast mode in Firefox
How to disable high contrast mode if it's causing problems on some web pages.
Changes affecting Adobe Flash on Firefox for Mac
How sandboxing affects Adobe Flash applets.
How to disable the Enterprise Roots preference
How to disable the Enterprise Roots preference to fix TLS connection errors caused by antivirus software, without compromising security.
Firefox starts automatically when I restart Windows
If Firefox was open when Windows shut down, Firefox may reopen automatically the next time you start Windows. You can disable this feature.
My privacy settings were changed from Custom to Standard
If your Custom settings match the settings in Standard, you will be switched back to Standard. This will not affect your settings.
HTML5 audio and video in Firefox
Firefox can play HTML5 audio and video content on web pages. Learn about the supported media formats and how to manage them.
Review installed extensions
Reviewing the extensions you have installed periodically can make it harder for malicious extensions to put your security and privacy at risk.
Feed reader replacements for Firefox
Firefox's built-in support for web feeds and Live Bookmarks ended in December 2018 with version 64. Learn more and find alternatives.
Disable or re-enable Pocket for Firefox
The Pocket feature is included with Firefox by default. Learn how to disable or remove Pocket from Firefox and how to re-enable it.
WebXR Permission Info Page
This article explains Firefox's virtual reality features and how to manage permissions for websites that ask to access your VR devices.
How to manage your camera and microphone permissions with Firefox
How to enable or block sites from accessing your camera and microphone on your desktop or mobile device.
Changes to the Tab context menu in Firefox 78
Starting in Firefox version 78, the Tab context menu has been changed to add a new "Close Multiple Tabs" submenu.
Lockwise asks for authentication (password, voice, face or fingerprint) when accessing passwords
Learn more about this anti-snooping feature designed to protect your logins from unauthorized access.
Importing Safari data into Firefox
Learn how to enable and disable full disk access on macOS version 10.14 or higher, so that you import Safari browser data into Firefox.
Automatically fill in credit card data on Web forms
Manage credit card autofill settings in Firefox version 81 and above.
