Allow active content to run only from sites you trust.
Remove Timeline from Facebook with this Firefox add-on.
Shorten links on the fly with Goo.gl, Google's URL shortener.
Protect your passwords, payments, and privacy.
Keep your Firefox bookmarks on Windows up to date with your Safari bookmarks on iPhone, iPad, and Mac with the iCloud Bookmarks extension for Firefox.
View all your open tabs and windows in Firefox.
Manage all your tasks from your browser.
Tweak your Firefox download window and add more features.
Save Web pages locally and manage collections easily.
Keep all the separate parts of your online life neatly contained in different tabs
