RECOMMENDED

Download Manager (S3)

Robust download management. Check the state of your downloads through a status bar, download history page, and more.
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Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
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Tab organizers and tools
Tab organizers and tools
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Privacy beyond browser extensions
Privacy beyond browser extensions
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Media enhancers for Firefox
Media enhancers for Firefox
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