Sync Firefox bookmarks, history, tabs, passwords across all your devices.
Enable inline viewing of Google WebP.
Enable Web applications to work offline.
Detect trackers and control their ability to view your online behavior.
Group and save tabs, built-in RSS Reader and Curation Folders.
Get alerts while you're shopping online so you never forget your cash back or coupons ever again.
Receive warnings about risky Web sites that try to scam visitors, deliver malware, or send spam.