Extensions by Weekly Downloads
Auto Address Cleaner T Requires Restart
Remove comment, display name from addresses before sending mail.
This add-on is a fork of Auto Address Cleaner.
Phoenity Icons Requires Restart
Phoenity icons for Thunderbird
ImportExportTools NG Requires Restart Featured
Adds tools to import/export messages and folders (NextGen)
Open In Conversation Requires Restart
Make the default message list action be "Open Message in Conversation" when double-clicking or using the "Enter" key to open an email from the message list.
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.
Profile Switcher Requires Restart
Adds options to launch other profiles.
Minimize on Close Requires Restart
Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.
Display Mail User Agent T Requires Restart
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.
Events spanning multiple days Requires Restart
Displays multiple day events as a "spanning" event, without borders of the day-elements inside the month- and multiweek-view.
ShowFolderSize-T Requires Restart
Shows folders size on disk.
This add-on is a fork of ShowFolderSIze.
Just Restart_TB68! Requires Restart
Restart application with Ctrl+Shift+Z.
Quick restart if many windows are open, or while developing addons.
Monterail Dark 2 for TB>68 Requires Restart
Monterail Dark, a Thunderbird theme inspired by the mockup of Monterail
Monterail Full Dark 2 for TB>68 Requires Restart
Monterail Full Dark, a Thunderbird theme inspired by the mockup of Monterail
New Folder Filters Button Requires Restart
Toolbar button to execute Run Filters on Folders from Tools menu
(update of Folder Filters Button Add-on by Chris Malek to Thunderbird 68)
Secure Addressing Plus Requires Restart
Fork of "Secure Addressing" addon by Hiroya Matsuba with some added features.
This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient addresses upon sending.
Move messages or jump to folder with a keystroke.
Redmine連携 Requires Restart
This is an initial attempt to revive part of "Mark All Read Button" by Mark S Baines.
This Add-on uses the Thunderbird WebExtension APIs. It adds a button on the Mail Toolbar that marks unread messages on the current displayed folder as read.
Uploads your large attachments to your OwnCloud or NextCloud server and instead inserts a public link into your email.
AttachmentExtractor Continued Requires Restart
This add-on is a (work in progress) fixed version of the original Add-on "AttachmentExtractor" which is no longer supported and fixed by the original author.
It Extracts all attachments from selected messages and then can delete, detach...