Add-ons
Message and News Reading
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vault56 protection
vault56 protection protects against potentially malicious attached files and links. Links are rewritten to pass through vault56 URL protection servers and checked for trackers and malicious activity.
Viadeo Tab
Requires Restart
Cette extension ajoute le réseau social français, Viadeo, un bouton d'accès à ouverture simple et rapide dans Thunderbird.
D'autres médias sociaux sont disponibles également.
View Headers Toggle Button
Requires Restart
This extension adds a toolbar button that allows the easy toggling of viewing all message headers.
vnotereader
Web Translate
The best Translator for Thunderbird!
Supported translators:
Google Translate
Microsoft Translator
DeepL
Yandex
Яндекс Переводчик
Google 翻译
百度翻译
WebChanges
WebPG for Mozilla
Requires Restart
An extension which provides GnuPG/GPG/PGP related functions to Moizilla Firefox, Thunderbird and Seamonkey
Windows Taskbar Unread Badge
Put an unread mail count badge on the Thunderbird icon in the Windows taskbar.
Winmail Opener Bridge
Requires Restart
Opens attached winmail.dat by Winmail Opener automatically.
Wunderlist Task Button
Requires Restart
Non-official addon for Wunderlist. Easily transform a mail into a task for Wunderlist with a single click.
XNote++
Persistent sticky notes associated to emails. You can fulltext search with constraints/email them/print/bookmark/copy to clipboard.
If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.
xSearchbarT2
Requires Restart
Somewhere between Thunderbird 1.5 and Thunderbird 2 the message search bar disappeared. This extension restores the search bar. Thunderbird 2 and newer only.
Zendesk Widget
Requires Restart
Provides a simple integration with Zendesk by displaying some information about the ticket when you open the notification mail for the ticket
This extension is not affiliated with Zendesk in any way. The Zendesk logo is (c) by Zendesk.
Zhong Wen
Requires Restart
Mouse over a Chinese character to find out it's meaning. A popup will appear showing the 'Pinyin' pronunciation, the simplified character form, and the English translation. You can customize what parts to show on the preferences window.
Zivver for Thunderbird
This extension automatically detects Zivver messages and decrypts them on-the-fly using the Zivver API. Messages are decrypted only when actively displayed by the user and are never stored locally.
Zoom Button for Thunderbird
Requires Restart
Zoom in, zoom out, and reset zoom with one toolbar button. Works in the Compose window too.
[Un]read
Requires Restart
This Thunderbird extension adds a button (plus keyboard shortcut) which allows for quickly switching between the 'view all'/'view unread' message filters. Moreover, if you are in the 'view unread' mode and you start...
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