Packed Menu :: Add-ons for FirefoxThis extension adds a button "M" to the menu bar. And the original main menus are hidden. When you click the "M" button or press Alt-M, the original main menus are shown under the "M" button. This extension has nearly no impact to the Firefox's performance. All it does is just adding a menu "M" to the tool-bar and moving the original "main menu bar" to the popup of the menu "M". You can login to
