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Firefox
Customize settings and preferences

Customize settings and preferences

Make Firefox yours through customization settings and add-ons

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Add-on Badges

Personalized extension recommendations

Tips for assessing the safety of an extension

Automatically fill in credit card data on Web forms

Firefox options, preferences and settings

Manage local site storage settings

Does Firefox share my location with websites?

An extension changed my New Tab page or home page

Recommendations from Firefox

Change your default search settings in Firefox

How to set the home page

Firefox's performance settings

Connection settings in Firefox

Make Firefox your default browser

Recovering important data from an old profile

Pop-up blocker settings, exceptions and troubleshooting

View PDF files in Firefox or choose another viewer

Use the Firefox Sidebar to access bookmarks, history and synced tabs

Multi-Account Containers

How do I use the Firefox spell checker?

How do I restore my tabs from last time?

Choose display languages for multilingual web pages

Block and unblock websites with parental controls on Firefox

Back up and restore information in Firefox profiles

Restore previous session - Configure when Firefox shows your most recent tabs and windows

Use Firefox in another language

Add or remove a search engine in Firefox

How to change your default browser to Firefox on Windows

Change the program used to open email links

Share data with Mozilla to help improve Firefox

Manage extension shortcuts in Firefox

Customize your New Tab page to hide or display content

Access hidden tabs in Firefox

Control audio or video playback with your keyboard

Search with the Firefox address bar

Cannot remove an add-on (extension or theme)

How to use collections on addons.mozilla.org

End of support for Adobe Flash

Closing multiple Tabs - option to disable warning

How to disable the built-in PDF viewer and use another viewer

Feed reader replacements for Firefox

Assign shortcuts to search engines

Disable high contrast mode in Firefox

Configuring Networks to Disable DNS over HTTPS

Importing Safari data into Firefox

Firefox Notes status

Mozilla Voice Server Proxy Retiring

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