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Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
OmniSidebar No Restart Featured
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!
QuickMark No Restart Featured
A quick and minimalistic way to create bookmarks.
Pearltrees No Restart Featured
Pearltrees lets you organize all your interests.
Video Resumer No Restart Featured
Automatically resumes YouTube videos from where you played them last. Without this extension, for example, when you click through YouTube videos, back and forth, they always start from the beginning.