Account and sync

Use this page to:

• Make Firefox your default browser.
• Manage your Mozilla account, which lets you access various Mozilla services.
• Sync Firefox data such as bookmarks, passwords, history and more across devices:
  • How do I set up Sync on my computer?
  • How do I choose what information to sync on Firefox?
• Import data from another browser.
• Manage Firefox profiles.
• Back up and restore Firefox data with a backup file.

General

Use this panel to:

• Set Firefox as your default browser and restore previous sessions.
  • Make Firefox your default browser.
  • Set Firefox to restore your previous windows and tabs at startup.
  • Import data from another browser.
• Manage your tabs.
  • Choose how tabs are opened.
• Change fonts, colors, zoom level and interface language.
  • Change website appearance settings in Firefox.
  • Change the fonts and colors websites use.
  • Change the size of webpage content.
  • Choose the language to display menus, notifications, messages and other parts of the Firefox interface.
  • Choose preferred display languages for multilingual web pages.
  • Use the Firefox spell checker.
• Choose where downloaded files are saved.
  • Change the download folder Firefox uses to save files.
• Check your update history or change update settings for Firefox.
• Set how Firefox handles different file types.
  • Change the application used or the action taken for different file types.
  • Choose whether to watch DRM content in Firefox.
• Adjust hardware acceleration and content processes.
  • Customize performance settings in Firefox.
• Control page navigation.
  • Always use the cursor keys to navigate within pages (caret browsing).
  • Search for text when you start typing.
• Adjust media settings.
  • Enable Picture-in-Picture video controls.
  • Control media via keyboard, headset or virtual device.
• Choose whether to receive recommendations from Firefox for extensions and features as you browse.
• Set up proxies or manage connection settings.
  • Change Firefox connection settings and set a proxy to connect to the internet.

Home

Use this panel to:

• Set your homepage to a custom URL or use the default Firefox Home.
  • Set your homepage and new windows to the default Firefox homepage, a blank page or a custom URL.
  • Set your new tabs to open the default Firefox homepage or a blank page.
• Customize content on Firefox Home, also known as the New Tab page. Available sections include web search, shortcuts to most visited sites, recommended stories, recent activity and widgets.

Home and startup

Use this page to:

• Make Firefox your default browser.
• Set Firefox to restore your previous windows and tabs at startup.
• Set your homepage to a custom URL or use the default Firefox Home.
  • Set your homepage and new windows to the default Firefox homepage, a blank page or a custom URL.
  • Set your new tabs to open the default Firefox homepage or a blank page.
• Customize content on Firefox Home, also known as the New Tab page. Available sections include web search, shortcuts to most visited sites, recommended stories, recent activity and widgets.

• Manage Firefox search settings, such as your default search engine and additional search engines.
• Enable or disable search engine suggestions.
• Customize suggestions in your address bar.

• Manage Firefox search settings, such as your default search engine and additional search engines.
• Enable or disable search engine suggestions.
• Customize suggestions in your address bar.

Privacy & Security

Use this panel to:

• Control settings for Firefox Enhanced Tracking Protection.
  • Block trackers and cookies.
  • Customize tracking protection.
• Manage or clear browsing data (cookies, history and site data) stored by websites.
  • Control whether websites can sell or share your data.
  • Manage website cookies.
  • Manage website data storage.
  • Manage cached web content.
• Control password saving and autofill.
  • Manage passwords.
  • Fill in forms.
• Manage your browsing, download, search and form history.
• Control which websites can send you notifications and which ones can access your location, camera and more.
  • Manage Web Push notifications.
  • Manage pop-up windows.
  • Manage warnings when websites try to install add-ons.
• Control Firefox data collection and use.
  • Allow Firefox to send technical and interaction data to Mozilla.
  • Allow Firefox to run studies.
  • Send daily usage ping data to Mozilla.
  • Automatically send crash reports to Mozilla.
• View and manage website certificates and security devices.
• Block dangerous content or downloads.
• Enable encrypted connections only with HTTPS-Only Mode.

Privacy and security

Use this page to:

• Control settings for Firefox Enhanced Tracking Protection.
  • Block trackers and cookies.
  • Customize tracking protection.
• Use built-in VPN in Firefox.
• Manage or clear browsing data (cookies, history and site data) stored by websites.
  • Manage website cookies.
  • Manage website data storage.
  • Manage cached web content.
• Manage your browsing, download, search and form history.
• Control whether websites can sell or share your data.
• Advanced settings: Configure DNS over HTTPS protection levels.
• Advanced settings: Manage connection and software security.
  • Enable encrypted connections only with HTTPS-Only Mode.
  • Manage proxy connection settings in Firefox.
  • Block dangerous content or downloads.
  • View and manage website certificates and security devices.

Sync

Sign in with your Mozilla account to sync bookmarks, passwords, history and more across devices:

1. Click Sync in the Settings sidebar.
2. Sign in or create an account.
3. Choose what types of data to sync.

Passwords and autofill

Use this page to autofill and manage passwords, payment methods, addresses and more:

• Manage passwords.
  • Save, manage and autofill your usernames and passwords in Firefox.
  • Have Firefox suggest strong passwords.
• Manage additional protections.
  • Set a primary password to protect stored logins and passwords.
  • Get alerts about passwords for breached websites.
• Manage payment methods.
  • Autofill payment methods.
• Manage addresses and more.
  • Autofill addresses.

Appearance

Use this page to adjust website appearance, browser theme and related settings:

Downloads

Use this page to choose where to save your downloads and how to open files and applications in Firefox:

• Saves files to:
  • Choose what download folder Firefox uses to save files and whether Firefox asks where to save a file before downloading.
• Files and applications:
  • Choose the application or the action taken for different types of files.

Tabs and browsing

Use this page to:

• Adjust browser layout.
  • Choose horizontal or vertical tabs.
  • Choose whether to use the sidebar.
• Manage your tabs.
  • Review and change tab settings and learn how to use container tabs.
• Control page navigation.
  • Choose whether to always use the cursor keys or search for text as you type.
  • Choose whether to enable link previews.
• Adjust media settings.
  • Choose whether to use Picture-In-Picture mode.
  • Choose whether to watch DRM content in Firefox.
• Customize performance settings to use hardware acceleration when available.
• Choose whether to receive recommendations from Firefox for extensions and features as you browse.

Accessibility

Use this page to customize the following accessibility options in Firefox:

• Set the default zoom level for webpage size and text.
• Choose the type of font and font size used on websites.
• Change foreground and background website colors.
• Control media via keyboard, headset or virtual device.
• Choose whether to underline links or use smooth scrolling.

Languages

Use this page to customize browser and website languages, set up translations and spell checking in Firefox:

• Choose the language to display menus, notifications and other parts of the Firefox interface.
• Choose preferred display languages for multilingual web pages.
• Translate web pages locally with built-in Firefox Translations.
• Use the Firefox spell checker.

AI Controls

Use this panelpage to block generative AI features in Firefox:

• You can use the Block AI enhancements switch to block all new or current AI features in Firefox.
• You can review and manage individual AI features available in Firefox, including website translations, alt text for PDF images, AI-enhanced tab group suggestions and key points in link previews.
• You can also block or manage AI chatbot in sidebar.

Permissions and data

Use this page to:

• Control which websites can send you notifications and which ones can access your location, camera and more.
  • Manage personal device and local network permissions.
  • Manage Web Push notifications.
  • Manage pop-up windows.
  • Manage warnings when websites try to install add-ons.
• Control Firefox data collection and use.
  • Allow Firefox to send technical and interaction data to Mozilla.
  • Allow personalized extension recommendations.
  • Allow Firefox to run studies.
  • Allow Firefox to improve features, performance, and stability between updates.
  • Send daily usage ping data to Mozilla.
  • Automatically send crash reports to Mozilla.

About Firefox

Use this page to:

• Check for Firefox updates and view your update history, find your Firefox version or change update settings:
  • Update Firefox to the latest version.
  • Find what version of Firefox you are using.
• Visit Mozilla Connect to share ideas and feedback:
  • What is Mozilla Connect?