Account and sync

This page includes default browser, Mozilla account, sync, import browser data, Profiles and more:

• Default browser: Make Firefox your default browser.
• Account: Manage your Mozilla account and access Mozilla services with your Mozilla account.
• Sync: 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 browser data: Import data from another browser.
• Profiles: Manage Firefox profiles.
• Backup: Back up and restore Firefox data with a backup file.

General

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

• Startup: 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.
• Tabs: Manage your tabs.
  • Choose how tabs are opened.
• Language and appearance: 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.
• Downloads: Choose where downloaded files are saved.
  • Change the download folder Firefox uses to save files.
• Firefox updates:
  • Check your update history or change update settings for Firefox.
• Applications: 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.
• Performance: Adjust hardware acceleration and content processes.
  • Customize performance settings in Firefox.
• Browsing:
  • 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.
• Network Settings:Proxy settings: 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:

• Homepage and new windows: 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.
• New tabs: Choose what appears on new tab pages.
  • You can set new tabs to open the default Firefox home page or a blank page.
• Firefox Home content: 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

Customize what appears when you open Firefox:

• Default browser: default browser.
• On startup: Set Firefox to restore your previous windows and tabs at startup.
• Homepage: 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.
• Firefox Home: 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.

• Default search engine
• Additional search engines
• Search engine suggestions
• Firefox Suggest

Manage privacy, security and site permissions:

• Enhanced Tracking Protection: Block trackers and cookies.
  • Control settings for the Firefox Enhanced Tracking Protection.
• Cookies and site data: 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.
• Logins and passwords: Control password saving and autofill.
  • Manage passwords.
  • Fill in forms.
• History: Manage browsing, download and search history.
  • Manage your browsing, download, search and form history.
• Permissions: 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.
• Firefox data collection and use: 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.
  • Perform privacy-preserving ad measurement.
• HTTPS-Only Mode: Enable encrypted connections only.
  • View and manage website certificates and security devices.
  • Block dangerous content or downloads.
  • Enable or disable HTTPS-Only Mode.

• Enhanced Tracking Protection: Block trackers and cookies.
  • Control settings for the Firefox Enhanced Tracking Protection.
  • Customize tracking protection.
    • Tracking protection
    • Reset customizations
• Built-in VPN
• Browsing data
• History
  • Manage browsing, download and search history.
    • Manage your browsing, download, search and form history
• Additional protection
• DNS over HTTPS
  • Advanced settings
• Connection and software security
• Security warnings
• Connection and software security
  • HTTPS-Only Mode
    • Enable encrypted connections only.
      • View and manage website certificates and security devices.
      • Block dangerous content or downloads.
      • Enable or disable HTTPS-Only Mode.
  • Proxy settings
  • Deceptive content and dangerous software protection
  • Certificates
• Cookies, History and Site Data: 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.

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

Manage your passwords, credentials, automatic payments and addresses.

• Passwords
  • Additional protections
  • Logins and passwords: Control password saving and autofill.
    • Manage passwords.
    • Fill in forms.
• Payments methods
• Addresses and more

Appearance

Customize your browsing experience.

• Website appearance
• Browser theme
• Related settings
  • Appearance: 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.

Downloads

Choose where to save your downloads, and how to open files and applications in Firefox.

• Saves files to
  • Downloads: Choose where downloaded files are saved.
    • Change the download folder Firefox uses to save files.
• Files and applications
  • Applications: Set how Firefox handles different file types.
    • Change the application used or the action taken for different file types.
    • Choose whether watch DRM content in Firefox.

Tabs and browsing

Manage and organize tabs, and improve the browsing experience in Firefox.

• Browser layout
  • Choose horizontal or vertical tabs.
  • Enable or disable the sidebar.
• Tabs
  • Tabs: Manage your tabs.
    • Choose how tabs are opened.
• Page navigation
• Media
• Performance
  • Performance: Adjust hardware acceleration and content processes.
    • Customize performance settings in Firefox.
• Recommendations

Accessibility

Customize accessibility options in Firefox.

• Default Zoom
• Fonts
• Website contrast
• Keyboard navigation and scrolling
• Motion and link styling

Languages

Customize browser and website languages. Set up translations and spell checking in Firefox.

• Browser language
• Website language
• Translations
  • Automatic translation
  • Speed up translation
• Spell check

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

Control permissions and data collection in Firefox.

• Permissions
  • Permissions: 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.
• Firefox data collection and use
  • Firefox data collection and use: 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.
    • Perform privacy-preserving ad measurement.

About Firefox

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.

Common questions about Firefox settings

How do I restore a previous session or reopen closed tabs?

Firefox can restore your tabs from your last browsing session:

1. In the Menu bar at the top of the screen, click Firefox and select Settings (or Preferences, in some cases).Click the menu button and select Settings.
2. Open the General panel.
3. Under Startup, check the box for Open tabs from the previous session.

How can I block or reduce ads?

Firefox includes Enhanced Tracking Protection and optional add-ons to help block intrusive ads:

1. In the Menu bar at the top of the screen, click Firefox and select Settings (or Preferences, in some cases).Click the menu button and select Settings.
2. Open the Privacy and security panel.
3. Under Enhanced Tracking Protection, select Strict for more ad and tracker blocking.
4. To block more ads, consider installing a content blocker like uBlock Origin from the Firefox Add-ons site.

How do I organize my bookmarks?

You can manage bookmarks from the Library:

1. Click the menu button and select Bookmarks.
2. Select Manage bookmarks at the bottom.
3. Use folders to organize your saved pages.