Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseReview for Session Manager by Yumi
Rated 4 out of 5 stars
It's great. It saved me every time Firefox updated and deleted my tabs.
Please, update for Firefox Quantum!!
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