Account and sync

Use this section to:

• Make Firefox your default browser.
• Manage your Mozilla account and access Mozilla services with your Mozilla account.
• 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

This panel includes startup, tab behavior, downloads, language settings and more:

• Set Firefox as your default browser and restore previous sessions.
  • Make Firefox your default browser.
  • Set Firefox to restore your previous session 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 a preferred display language for 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.
• Always use the cursor keys to navigate within pages (caret browsing).
  • Search for text when you start typing.
  • Enable Picture-in-Picture video controls.
  • Control media via keyboard, headset or virtual device.
  • Recommend extensions as you browse.
  • Recommend 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

Customize what appears when you open Firefox:

• Set a custom URL or use the default Firefox Home.
  • Choose what you see when you open your home page, a new Firefox window or a new tab.
  • Set your home page or new windows to the default Firefox home page, a blank page or a custom URL.
• Choose what appears on new tab pages.
  • You can set new tabs to open the default Firefox home page or a blank page.
• Toggle web search, top sites, recommendations and more.
  • Customize content on the New Tab page, including Web Search, shortcuts to most visited sites, recommended stories and recent activity.

Home and startup

Use this section to:

• Make Firefox your default browser.
• Set Firefox to restore your previous windows and tabs at startup.
• Set a custom URL or use the default Firefox Home.
  • Choose what you see when you open your home page, a new Firefox window or a new tab.
  • Set your home page or new windows to the default default Firefox home page, a blank page or a custom URL.
• Toggle web search, top sites, recommendations and more.
  • Customize content on the New Tab page, including Web Search, shortcuts to most visited sites, recommended stories and recent activity.

• Manage Firefox search settings.
• Manage one-click search shortcuts.
• Control the address bar settings.

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

Privacy & Security

Use this section to:

• Control settings for Firefox Enhanced Tracking Protection.
  • Block trackers and cookies
• Manage 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 website access to your location, camera, notifications and more.
  • Manage Web Push notifications.
  • Manage pop-up windows.
  • Manage warnings when websites try to install add-ons.
• Decide whether to share usage data.
  • Allow Firefox to send technical and interactive data to Mozilla.
  • Install and run studies.
  • Send crash reports to Mozilla.
  • View and manage website certificates and security devices.
  • Block dangerous content or downloads.

• HTTPS-Only Mode: Enable encrypted connections only.
  • Enable or disable HTTPS-Only Mode.

Privacy and security

Use this section to:

• Control settings for Firefox Enhanced Tracking Protection
  • Block trackers and cookies.
  • Customize tracking protection.
• Use built-in VPN in Firefox.
• Manage browsing data (cookies, history, and site data) stored by websites.
  • Manage or clear data stored by websites.
  • Control whether websites can sell or share your data.
  • 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 in Firefox
• Advanced settings: Manage connection and software security
  • Enable or disable 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 section to:

• Manage passwords
  • Save, manage and autofill your usernames and passwords in Firefox.
  • Have Firefox suggest strong passwords.
• Manage additional protections
  • Use a Primary Password to protect stored logins and passwords
  • Firefox Password Manager - Alerts for breached websites.
• Manage payment methods
  • Automatically fill in credit and debit card payment methods data on web forms.
• Manage addresses and more
  • Control whether Firefox automatically fills in forms.

Downloads

Use this section 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 section 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.
• Adjust performance
  • Customize Firefox's performance settings to use hardware acceleration when available.
• Change your recommendations
  • Choose whether to receive recommendations from Firefox for extensions and features as you browse.

Accessibility

Use this section 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
• Use the keyboard to navigate within webpages
• Control audio or video playback with your keyboard
• Choose whether to underline links or use smooth scrolling

Languages

Use this section 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 a preferred display language for multilingual web pages.
• Use the built-in Firefox Translations tool.
• Use the Firefox spell checker.

AI Controls

This panel provides a place 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, in website translations, when you add alt text to PDF images, when you use AI-enhanced Tab group suggestions or when you view key points in link previews.
• You can block or manage AI Chatbots in Firefox.

Permissions and data

Use this section to:

• Control website access to your location, camera, notifications 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 and decide whether to share usage data.
  • Allow Firefox to send technical and interactive data to Mozilla.
  • Allow personalized extension recommendations.
  • Install and 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 section to check for Firefox updates and update history, find your Firefox version, or change update settings:

• Update Firefox to the latest release.
• Find what version of Firefox you are using.

Visit Mozilla Connect to share ideas and feedback:

• What is Mozilla Connect?