Firefox options, preferences and settings

This article summarizes the Firefox OptionsPreferencesSettings panels and what types of settings they contain.

In the Menu bar at the top of the screen, click Firefox and select Preferences. Click the menu button Fx57Menu and select OptionsPreferences.Click the menu button Fx89menuButton and select Settings.

The following panels are available:

General panel

This panel contains optionspreferences for the following types of settings:

General
Startup and Tabs: This is where you can set Firefox as your default browser, set Firefox to restore your previous session at startup and choose how tabs are opened.

Language and Appearance
Fonts & Colors and Language: This is where you can change the fonts and colors websites use, where to choose the language to display menus, notifications, messages and other parts of the Firefox interface, where to choose a preferred display language for web pages and where you can choose to use the Firefox spell checker.

Files and Applications
Downloads, Applications and Digital Rights Management (DRM) Content: This is where you can change the download folder Firefox uses to save files, change the application used or the action taken for different file types and choose whether to Watch DRM content in Firefox.

Firefox Updates
This is where you can check your update history or change update settings for Firefox.

Performance
This is where you can customize performance settings in Firefox.

Browsing
This is where you can choose settings for scrolling, using the cursor (Caret Browsing mode) or searching for text in webpages.

Network ProxyNetwork Settings
This is where you can change Firefox connection settings and set a proxy to connect to the Internet.

Home panel

This panel contains optionspreferences for the following types of settings:

New Windows and Tabs
These settings allow you to choose what you see when you open your home page, a new Firefox window or a new tab. You can set your home page to the default Firefox homepage, a blank page or a custom URL; you can set new tabs to open the default Firefox home page or a blank page.

Firefox Home Content
These settings allow you to hide or display features of the default Firefox homepage or New Tab page, including Web Search, Top Sites, Recommended by Pocket, Snippets from Mozilla and Highlights. For more information about these features, see About the New Tab page and Customize items on your Firefox New Tab page.

Search panel

This panel contains optionspreferences related to the search engine Firefox uses by default and other search settings. For more information, see Change your default search settings in Firefox.

Privacy & Security panel

This panel contains optionspreferences for the following types of settings:

Browser Privacy
Content Blocking,Enhanced Tracking Protection, Cookies and Site Data, Forms & Passwords, History and Address Bar: This is where you can control settings for the Firefox Content BlockingEnhanced Tracking Protection and Do Not Track features, manage website cookies, website data storage and cached web content, where you can set how to fill in forms and manage passwords, manage your browsing, download, search and form history and set how the address bar works.

Permissions
This is where you can decide whether websites can send you Web Push notifications, show you pop-up windows and whether Firefox should warn you when websites try to install add-ons.

Firefox Data Collection and Use
This is where you can decide whether Firefox should send technical and interactive data to Mozilla, install and run studies or send crash reports to Mozilla.

Security
Deceptive Content and Dangerous Software Protection and Certificates, Certificates and HTTPS-Only Mode: This is where you can view and manage website certificates and security devices and block dangerous content or downloads, block dangerous content or downloads and enable or disable HTTPS-Only Mode in Firefox.

Sync panel

This panel lets you set up or manage a Firefox Account, which is needed to access certain Mozilla services, including Sync. See How do I set up Sync on my computer? and How do I choose what information to sync on Firefox? for more information.

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