Bookmark Backup is a simple add-on that helps to keep your bookmarks (and optionally other Firefox settings) safe. Each time Firefox is closed, a copy of your bookmarks file will be made to a backup location. If Firefox's bookmarks become corrupted or lost, find the most recent uncorrupted backup and copy it into your profile folder.

Clones the current tab's address and history into a new window when the New Window command is used (and optionally into a new tab when the New Tab command is used).

Note: If you're looking for on demand tab duplication then the Duplicate Tab add-on might be more suitable.

Implements the Netscape Navigator 4 Create Shortcut menu item in Firefox. To create a shortcut to the current page bring up the context menu (usually done by right-clicking) and choose Create Shortcut. Selecting the menu item displays a dialog box that allows the creation of a shortcut to the current page/link on your desktop.

Note: This add-on is currently for Microsoft Windows only, see the Deskcut add-on for a cross-platform alternative.

Temporarily allows popup windows to be opened while the Caps Lock key or the Insert key is held down.