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.
Extensions in Private Browsing
You can set which Firefox extensions can run in private windows and which can't, when you install the extension or later on. Learn more.
Firefox Translation
The built-in Firefox full page translation feature allows you to seamlessly browse the web in your preferred language. Learn more.
Web Push notifications in Firefox
Web Push allows websites to notify users of new messages or updated content while Firefox is open.
Sponsored shortcuts on the New Tab page
Working with its advertising partners, Mozilla may place sponsored shortcuts on the default Firefox home page and New Tab page. Learn more.
Import bookmarks and other data from Google Chrome
Firefox lets you easily import bookmarks and other data from Google Chrome. This article gives you step-by-step instructions for getting it done.
Watch DRM content on Firefox
Learn about Digital Rights Management (DRM) content in Firefox and how to disable and re-enable DRM playback or troubleshoot problems.
Make Firefox your default browser
How to make Web links open in Firefox automatically by setting it as the default browser on your computer.
Import data from another browser
We'll show you how to import bookmarks, preferences, browsing history, passwords and other information from another browser.
Use tabs to organize lots of websites in a single window
By displaying a website in a tab, Firefox lets you have multiple websites open inside a single window. Learn the basics of using tabs.
Pocket recommendations in the Firefox New Tab page - FAQ
Find answers to some of the frequently asked questions about Pocket recommended stories in the Firefox New Tab page.
Bookmarks in Firefox
Bookmarks are links to web pages that make it easy to get back to your favorite places. Learn the basics of making and managing bookmarks.
How to set the home page
Learn how to change what page you see when you first start Firefox, click the home button or open a new window.
Export Firefox bookmarks to an HTML file to back up or transfer bookmarks
This article explains how to export your bookmarks to an HTML file, which can be used as a backup or for importing into another web browser.
Customize items on your Firefox New Tab page
Learn how to customize different items on your Firefox New Tab page.
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.
Restore bookmarks from backup or move them to another computer
Learn how to restore your bookmarks from the automatic backups that Firefox creates, save and restore your own backups, and move bookmarks to another computer.
Use mouse shortcuts to perform common tasks in Firefox
This is a list of Firefox mouse shortcuts that you can use to navigate websites, work with tabs, zoom in and out, and more.
Keyboard shortcuts - Perform common Firefox tasks quickly
This is a list of Firefox keyboard shortcuts for working with tabs, bookmarks, searching the web, playing media files and more.
Troubleshoot and diagnose Firefox problems
This article includes a series of steps you can follow, that will help you fix most problems with Firefox.
Shop online with more confidence using Firefox Review Checker
See how reliable product reviews are when you shop online using Review Checker in Firefox.
Use Google Trending Search in the Firefox address bar
With Firefox, you can easily tap into Google Trending Searches, right from your address bar, and stay updated on what's capturing the online world's attention.
Use Firefox in Full Screen mode
The Full Screen feature lets you expand the Firefox browser for the current page to fill up your whole screen. This article explains how to turn it on and off.
Open Firefox automatically when you start your computer
Enable Firefox to launch automatically when Windows starts, providing quicker access to your browser and enhancing your browsing experience.
What to do if Firefox won't play any sounds
Learn what steps to take if you can't hear sound in Firefox.
How do I use the Firefox spell checker?
Firefox's spell checker streamlines writing by auto-detecting errors, offering quick fixes, and with custom dictionary additions for flawless text.
Firefox Reader View for clutter-free web pages
Firefox Reader View removes web page clutter to improve readability. Recent Firefox versions can also read pages out loud.
Search suggestions in Firefox
Learn more about how search suggestions work in Firefox.
Import Bookmarks from an HTML file
This article explains how you can take bookmarks saved in an HTML file and add them to your Firefox bookmarks.
Manage file types and download actions in Firefox
Learn how Firefox handles files with different content types and how to change what Firefox does when you click on or download a file.
How to save a web page
Firefox allows you to save a web page to your computer so that you can do things like read it when you're not connected to the Internet. Here's how.
Import Bookmarks and other data from Microsoft Edge
Firefox lets you import bookmarks and other data Microsoft Edge. This article gives you step-by-step instructions for getting it done.
Address bar autocomplete suggestions in Firefox
When you type into the address bar, Firefox suggests pages you've bookmarked, tagged, visited before or have open in tabs. Learn more.
Firefox View - Access pages from open tabs, recently closed tabs, tabs from other devices and browsing history
Use Firefox View to access pages from your open and recently closed tabs, browsing history and even tabs from other devices. Learn more.
Sort your bookmarks to quickly find the ones you want
We'll show you how to sort or rearrange your bookmarks in the sidebar or Library window view.
Control audio or video playback with your keyboard
This page explains the technical documentation on how to control media in Firefox by using the Media Session API.
Create a desktop shortcut to a website
Learn how to easily make a shortcut on your desktop that will open Firefox and take you to a favorite website.
View and edit PDF files using Firefox’s built-in viewer
You can view PDF files directly in Firefox with the built-in viewer. Learn how to use the PDF viewer and how to resolve common problems.
Pinned Tabs - keep favorite websites open and just a click away
Pinned Tabs allow you to keep your favorite web apps open and just a click away. This article explains how to use them.
Fix problems that cause images to not show
If you are experiencing difficulty downloading or viewing images in Firefox, follow the troubleshooting instructions in this article.
Export bookmarks to Safari
You can export your Firefox bookmarks for use in other browsers. This guide shows you how to export your Firefox bookmarks and import them into Safari.
How do I delete a bookmark?
This article describes different methods to delete pages from your Firefox Bookmarks.
Where to go for developer support
Have questions about web development or Firefox Developer Edition? MDN Web Docs has many resources you'll need to build a better web. Learn more.
How to print web pages in Firefox
This article covers the basics of print settings and formatting options in Firefox.
Get started with Firefox - An overview of the main features
Learn about the basic features of Firefox (bookmarks, tabs, search, add-ons, and more) and find links to more articles to explore.
Unload inactive tabs to save system memory in Firefox
Learn how to free up system memory by unloading inactive tabs in Firefox.
Fix common audio and video issues
This article will help you solve audio and video problems on web pages.
Tab preferences and settings
Learn how to customize tab settings in Firefox to enhance your browsing experience.
Customize your New Tab page to hide or display content
Learn how to show or hide content on your Firefox New Tab page, such as changing which sections to display or showing a blank new tab page.
Browsing history in Firefox - View the websites you have visited
Firefox keeps track of the websites you visit when you browse the Web. Learn how to view, search and sort your browsing history.
Remove websites from the address bar suggestions
As you type into the address bar, Firefox displays a drop-down list of suggested sites. Learn how to remove some or all of these suggestions.
Share browser windows or your screen with sites you trust
Learn how to use Firefox's screen sharing feature safely.
Search open tabs in Firefox
"Search Tabs" in Firefox's tab menu lets you find a specific open tab.
Pocket sponsored stories on new tabs
Pocket occasionally partners with select publishers and brands to deliver sponsored stories on the Firefox New Tab page. Learn more.
HTML5 audio and video in Firefox
Firefox can handle audio and video content on web pages and can open some media files. Learn about supported formats and managing playback.
How to search the contents of the current page for text or links
When you are viewing a website in Firefox, you can search for words, phrases or links on the page. This article explains how it works.
New Tab page in Firefox
The New Tab page allows easy access to frequently and recently visited sites.
Playing 4K (Ultra-High Definition) YouTube videos in Firefox
Why the 4K option shows up for some viewers while it doesn't for others.
Mozilla Social FAQ
Mozilla.social was shut down on Dec 17, 2024. You had to download your data and migrate before then.
Tab overview menu
Learn how to use the tab overview menu in Firefox to quickly manage and navigate your open tabs
Content recommendations on the Firefox New Tab page - FAQ
FAQ about recommended stories that appear in the Firefox New Tab page.
What is Mozilla Connect?
Mozilla Connect is a space to give product feedback, share ideas for new features, and participate in conversations about Mozilla products.
Get your local weather forecast from the Firefox address bar
Get real-time weather updates conveniently displayed within the Firefox address bar.
Bookmark Tags - Categorize bookmarks to make them easy to find
You can add "tags" to bookmarks. These tags are used to help categorize bookmarks so you can find them easier. Learn how they work.
Why Open Badges?
What are Open Badges? What differentiates open badges from other digital badges?
Frequently Asked Questions
Learn basic tips and guidelines for using Firefox and find answers to some frequently asked questions.
Mute sound in Firefox tabs
Learn how to identify noisy tabs in Firefox and mute the sound without affecting other tabs or windows.
View mobile bookmarks on your computer
Firefox lets you sync your mobile bookmarks so you can access them on your desktop.
I can’t play audio on a Remote Desktop Connection
How to solve a known issue with audio playback when you use Firefox on a Remote Desktop Connection.
Print simplified, clutter-free pages in Firefox
Firefox lets you print pages in a simplified format that strips away clutter like buttons, ads, and background images. Learn more.
Hide Pocket in your Firefox New Tab page
Learn how to remove or restore Pocket recommended stories on the Firefox New Tab page.
Text Encoding no longer available in the Firefox menu panel
The Firefox menu panel no longer has a Text Encoding submenu. It is still available in the Menu bar View menu and as an optional toolbar button.
View articles recommended by Pocket on your Firefox New Tab and homepage
You can view articles and topics recommended by Pocket on your Firefox for desktop homepage and New Tab page.
How to disable the built-in PDF viewer and use another viewer
Firefox has a built-in PDF viewer. We'll show you how to disable it and use another PDF viewer, like Adobe Reader, instead.
What is Mozilla's Open Badges project?
Why Mozilla is involved in Open Badges.
Take screenshots in Firefox
Screenshots is a tool in Firefox that allows you to save an image of all or parts of a web page.
Videos don't have sound on Citrix
How to fix audio problems when you try to watch videos while using the Citrix Server on Windows.
Access toolbar functions using the keyboard
Use your keyboard to access add-on buttons on the toolbar, as well as perform other toolbar functions not previously available via the keyboard.
Why is each open Firefox tab showing up in the Windows volume mixer?
If each open Firefox tab shows up in your Windows volume mixer, a fix will be released in Firefox version 76. Here is a workaround in the meantime.
Tab context menu
Explore the features available in the tab context menu in Firefox, including options for managing and organizing your tabs.
How to configure Close Tab warnings in Firefox
Learn how to enable or disable the close tab warning that shows when you're about to close multiple tabs, in Firefox version 94 and above.
Copy text from images on Firefox for MacOS
Learn how to copy text from images in Firefox for MacOS.
How Review Checker preserves user privacy
Learn how Review Checker uses OHTTP to securely send product info to Fakespot, ensuring no personal data or browsing details are shared.
Firefox macOS session resume feature
Learn about Firefox’s macOS session resume feature, which reopens Firefox after system restarts for continued browsing.
Firefox is stuck in Troubleshoot Mode
Learn why Firefox may start in Troubleshoot Mode (previously known as "Safe Mode") when you expect it to start normally and how to fix it.
Firefox repeatedly opens empty tabs or windows after you click on a link
Firefox may repeatedly open empty tabs or windows after you click on a link, forcing you to close Firefox. Learn how to fix this problem.
Fix printing problems in Firefox
Learn how to troubleshoot and fix printing problems in Firefox.
Fix video and audio problems on Firefox for Windows N editions
If Firefox has trouble playing video or music on a Windows computer, you can install the Media Feature Pack, if it's missing. Learn more.
Wrong home page opens when I start Firefox - How to fix
Learn how to restore your home page if a third-party software vendor changes it so that their page always opens when you launch Firefox.
Home page with pipe character opens extra tabs when Firefox starts
Set up Firefox to open multiple home pages replacing the pipe character (|) with %7C.
Can't add, change or save bookmarks - How to fix
This article explains what to do if you cannot add new bookmarks or make other changes to your bookmarks.