Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.
Sets permanent opt-out cookies to stop behavioral advertising for 100+ different advertising networks, including Google, Yahoo, Microsoft, all members of the Network Advertising Initiative, and many other companies.
Display birthdays from the Thunderbird addressbooks as events in Lightning.
Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.
Identity Chooser helps you to always use the correct identity when composing a new email.
Eases navigation within sequences of pages (e.g. Web comics, forums, or technical specifications such as the HTML 4 Recommendation) by providing toolbar buttons for the first, previous, next, and last page. Also includes buttons to move up a level...
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