My Favorite Add-ons

by Nikolay

14 Add-ons in this Collection

DKIM Verifier by Philippe Lieser

Rated 4 out of 5 stars 48 reviews

19,664 users

Verifies the DKIM-Signature of an e-mail.

Remove Duplicate Messages by Eyal Rozenberg

Rated 4 out of 5 stars 300 reviews

89,460 users

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 273 reviews

50,773 users

Switch the signature on/off or choose a new one from your predefined set.

quickFilters by Realraven (Axel Grude)

Rated 5 out of 5 stars 72 reviews

11,734 users

Quickly generate mail filters on the fly, by dragging and dropping mails and analyzing their attributes. Create a filter in less than 10 seconds, it's as easy as: drag, click, click.

By popular demand, supports SORTING filters alphabetically.

Automatic Dictionary by beltrachi

Rated 5 out of 5 stars 49 reviews

3,465 users

Remembers the language you use with a person or group of people, and switches the spellchecker language automatically for you next time. You do not have to do it manually any more. It remembers and switches it for you.

FiltaQuilla by R Kent James, Realraven (Axel Grude)

Rated 4 out of 5 stars 100 reviews

15,173 users

Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.

Disable DragAndDrop (Thunderbird) by Takayama Fumihiko

Rated 5 out of 5 stars 19 reviews

57 users

A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.

Toggle Quotes (Collapse Quotes) by Dillinger

Rated 4 out of 5 stars 1 review

164 users

Adds a Toggle Quotes button, allows to collapse quotes.

Auto Address Cleaner by Toshi, John Bieling

Rated 5 out of 5 stars 12 reviews

8,953 users

Remove comment, display name from addresses before sending mail.

Compact Headers by Dillinger

Rated 4 out of 5 stars 69 reviews

10,946 users

Limits displayed headers to 1 or 2 lines.

Display Mail User Agent T by Toshi

Rated 5 out of 5 stars 28 reviews

10,878 users

Displays the mail program with which the selected mail was written

*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.

Larger Message List by Roy Prins

Rated 3 out of 5 stars 8 reviews

48 users

Thunderbird 78+ extension that improves the readability of the message/thread list by using a slightly larger fonts and wider spacing in the folder tree view.

Toggle HTML by Dillinger

Rated 4 out of 5 stars 8 reviews

1,057 users

Adds a Toggle HTML button

Toggle Inline by Dillinger

Rated 5 out of 5 stars 1 review

108 users

Adds a Toggle Inline button

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections