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Explore how to navigate the web efficiently and effectively with Mozilla’s products.

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.

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Firefox Translation

The built-in Firefox full page translation feature allows you to seamlessly browse the web in your preferred language. Learn more.

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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.

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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.

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Make Firefox your default browser

How to make Web links open in Firefox automatically by setting it as the default browser on your computer.

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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.

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Import data from another browser

We'll show you how to import bookmarks, preferences, browsing history, passwords and other information from another browser.

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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.

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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.

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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.

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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.

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New Tab page in Firefox

The New Tab page allows easy access to frequently and recently visited sites.

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How do I delete a bookmark?

This article describes different methods to delete pages from your Firefox Bookmarks.

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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.

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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.

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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.

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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.

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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.

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Tab preferences and settings

Learn how to customize tab settings in Firefox to enhance your browsing experience.

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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.

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Tab overview menu

Learn how to use the tab overview menu in Firefox to quickly manage and navigate your open tabs

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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.

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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.

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Mozilla Social FAQ

Mozilla.social was shut down on Dec 17, 2024. You had to download your data and migrate before then.

Firefox Firefox Last updated: 3 weeks, 3 days ago

Why Open Badges?

What are Open Badges? What differentiates open badges from other digital badges?

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Frequently Asked Questions

Learn basic tips and guidelines for using Firefox and find answers to some frequently asked questions.

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Tab context menu

Explore the features available in the tab context menu in Firefox, including options for managing and organizing your tabs.

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Firefox macOS session resume feature

Learn about Firefox’s macOS session resume feature, which reopens Firefox after system restarts for continued browsing.

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Mute sound in Firefox tabs

Learn how to identify noisy tabs in Firefox and mute the sound without affecting other tabs or windows.

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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.

Firefox Firefox Last updated: 1 week, 3 days ago

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.

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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.

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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.

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