If so, you need Foxmarks, a Firefox add-on that automatically synchronizes your bookmarks between multiple computers.
It also allows you to access your bookmarks online.
Foxmarks synchronizes your bookmarks by storing them on a remote server.
With Foxmarks you no longer have to worry about backing up your bookmarks when reformatting or changing computers.
If you are worried about security, there is an option to turn on encryption.
Would you like to be able to see thumbnails of them at the same time?
Want to access frequently visited sites using ‘Ctrl+1/2/3/4…’ shortcuts?
Speed Dial does just that.
Speed Dial is full of options that allow you to customize each thumbnail to your specifications.
It even lets you set how often the thumbnail reloads.
Speed Dial also provides an import/export feature which allows you to easily setup Speed Dial on multiple computers.
3.Delicious Bookmarks: Integrate Del.icio.us Account into Firefox
Are you a del.icio.us user?
This add-on is not the standard del.icio.us button that every member already has.
This add-on gives easier access to your del.icio.us bookmarks by integrating them directly into Firefox.
Also allows you to search your Del.icio.us tags from within Firefox.
GMarks: Integrate Google Bookmarks into Firefox
Are you an avid Google user?
GMarks integrates your Google bookmarks right into the Firefox web app.
GMarks allows easy migration to and from Google Bookmarks.
Gmarks is completely separate from your existing Firefox bookmarks and does not remove or hide them.
Smart Bookmarks Bar: Helps Save Space On Your Bookmarks Tool Bar
Is your bookmarks toolbar overcrowded?
It does this by only showing the icon for each website.
By default, when you hover your mouse over an icon, the name of that bookmark is shown.
(WARNING: be sure to back up all of your bookmarks before deleting anything!)