Bookmark Toolbar Auto hider

Bookmark Autohider is an extension to Firefox which is useful for people who like to have a simple interface and more space to their browser.

Bookmark Autohider hides the bookmark toolbar until you move the mouse above it.

When you drag your mouse above bookmark toolbar it appears, and disappears after a few seconds (you can set the time from the Bookmark Autohider Option menu). [via]

Download Bookmark Autohider