Miscellaneous

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DeepL Selected Text

Unofficial DeepL translate extension for Thunderbird.

Rated 4 out of 5 stars (5)
1,578 users

ThirdStats

Beautifully visualized statistics for your Thunderbird Email Accounts

Rated 5 out of 5 stars (10)
1,559 users

Toolbar Buttons

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Rated 4 out of 5 stars (372)
1,196 users

Address Close Button Requires Restart

Adds a Address Close Button to mail compose window.

Rated 5 out of 5 stars (26)
1,195 users

Open With

Open With can open your web links in any browser installed on your computer.

Rated 4 out of 5 stars (17)
1,165 users

IMAP Quota (Free Space) Requires Restart

This Thunderbird addon lets you customize the IMAP quota statusbar panel.

Rated 4 out of 5 stars (13)
1,117 users

ConfirmBeforeDelete

Ask a confirm before to delete some items

Rated 4 out of 5 stars (6)
1,031 users

Dorando keyconfig Requires Restart

A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) work again!

Rated 5 out of 5 stars (65)
888 users

Restart Button

Adds a Restart Button, restarts Thunderbird

Rated 4 out of 5 stars (7)
882 users

List Addons in Windows' Programs

List addons in Windows' "Add or Remove Programs".

Rated 5 out of 5 stars (1)
820 users

Element Hiding Helper for Adblock Plus

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Rated 5 out of 5 stars (473)
804 users

Minimize On Start and Close Requires Restart

A remake of the MinimizeToTray-extension made to fit the Windows 7 taskbar. Instead of minimize the window to the tray it minimize it to the taskbar. It can minimize on startup, when the window is closed and/or when the esc key is pressed.

Rated 4 out of 5 stars (111)
723 users

Google Calendar Tab Requires Restart

Adds the Google Calendar web interface as a new tab directly into Thunderbird. Creating and viewing events works just as it would in a browser like Firefox

Rated 4 out of 5 stars (104)
713 users

Add Signature Requires Restart

Simply add your signature manually (right mouse click) to your emails

Rated 3 out of 5 stars (55)
645 users

Evernote Tab

Add a button and a menu to open Evernote in tab.

Rated 3 out of 5 stars (8)
615 users

Thunderbird Message Filter Import/Export Enhanced Requires Restart

Thunderbird Message Filter Import/Export Enhanced is a compatibility port of Wind Li's add on.
Original add on here: https://addons.mozilla.org/en-US/thunderbird/addon/thunderbird-message-filter-imp/

Rated 3 out of 5 stars (52)
600 users

ToneQuilla Requires Restart

Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.

For Thunderbird 78 support of sounds, please check out Filtaquilla 3.1

Rated 4 out of 5 stars (29)
574 users

ProfileSwitcher Requires Restart

It adds some options to launch easily other profiles and the Profile Manager.

Rated 4 out of 5 stars (114)
535 users

GPO support For Firefox and Thunderbird

For work with new versions, use autoconfiguration module https://mozillagpo.sourceforge.io/
Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy

Rated 4 out of 5 stars (13)
446 users

LaTeX It! Requires Restart

This addons allows you to write LaTeX expressions in your emails such as $x^2$ or $$\sum_{x=0}\infty$$ and have them all replaced by a PNG image with the corresponding formula inside.

*Note: this addon is not compatible with Thunderbird 78+*

Rated 4 out of 5 stars (36)
433 users