Add-ons
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TitleCase For Thunderbird
Requires Restart
Transform strings into Title Case, Proper Case, Start Case, Camel Case, Upper Case, and Lower Case. Highlight your text and only changing what you highlighted.
TMS Bulk SMS
Requires Restart
Send SMS text messages directly from Thunderbird, without using a tethered phone! Integrates with Thunderbird's Address Book and allows SMS mailing lists for quick and easy bulk or individual messaging. Uses Flash Media Group's SMS service.
To must occur only once
This add-on changes all but the first "to" to "cc" if there are multiple "to" when replying to an email.
Today's messages
Requires Restart
Show only your messages received during the current day, the last 7 days or the last 30 days thanks to 3 buttons.You may use pin button to keep filters applied when switching to your other inbox/folders.
Todo.txt
Todoist - Quick Access
Quick Access to Todoist in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
todowebapp
Adds browser action icon to toolbar to open To-Do. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/microsoft-to-do-button/
Toggle Address Box
Adds a Address Box button, toggles the Address Box in the Composer window
Toggle Dark Reader
Toggle Development Profile Prefs
Toggles Development Profile Preferences On When Enabled And Off When Disabled.
Toggle Folderpane View
Requires Restart
This addon provides a toolbar button for toggling between the "All" and "Favorite" views in the folderpane.
Toggle Headers
Allows to switch between the normal header view and viewing all headers when viewing a message by using a keyboard shortcut (Ctrl+H).
Toggle HTML
Toggle Inline
Toggle Line Wrap
Toggle wrapping of long lines in the message composition window when writing plaintext messages. Wrapping can be controlled via a toolbar button and a keyboard shortcut.
Toggle Message Pane
Toggle Proxy
Requires Restart
The move to Webextensions by Mozilla for Firefox 57+ has made it impossible to modify about:config, this holds Firefox proxy settings. Therefore, this and many other addons will become obsolite from Firefox 57+ onwards unless Mozilla update the API.
Toggle Quotes (Collapse Quotes)
Toggle SummaryTo create your own collections, you must have a Mozilla Add-ons account.
