We can now organize bookmarks. to the other web browsers. Opera, another well known browser, and in my opinion the most user-friendly of them all, offers the same features as the ones before it. Th. Sep 21, 2017. Fix Xmarks Bookmark Sync to Opera browser. The Xmarks Bookmark Sync is a good web tool to manage all your browser bookmarks. To backup your bookmarks in Opera browser, click on the…