Allows editing of the web page content while in Print Preview mode. Editing the web page prior to printing can compact the layout and remove unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.
Switch the signature on/off or choose a new one from your predefined set...
Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.
Adds a summary of mail accounts and folders to replace the account central pane and the empty folder preview
Shows an indicator so you can tell if an email was addressed only to you (»), a group (›), or a mailing list.
Collections are groups of related add-ons that anyone can create and share.Explore Collections