Add-ons
Recently Updated Extensions
Sort by:
ThunderHTMLedit
Thunderbird HTML editor. This add-on adds a HTML tab to the composition window where you can see and edit the HTML source of the message.
Colored Diffs
Pywalfox
Dynamic theming of Thunderbird using your Pywal colors.
https://github.com/Frewacom/pywalfox
Web Translate
The best Translator for your new Thunderbird 78!
Available also for your Firefox web browser.
marked-lightning
Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.
LookOut (fix version)
LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
Support: Thunderbird
TabsInStatusbar&IconsInMenubar
Move tabs in status bar and iconify menu bar.
This add-on researches new tabs' position and menubar iconification.
This add-on is good to view it on Light theme.
This add-on is as role as if task bar of Windows.
Life in Holy Spirit.
Compact Headers
Auto Select Latest Message
Automatically select and display latest message from the list on startup or when switching folder for the first time.
Signature Switch
Switch the signature on/off or choose a new one from your predefined set.
UrgentMail
Raise X11 urgent flag if new mail is received.
This addon listens for incoming mails and causes the Thunderbird window to draw attention.
NestedQuote Remover
Xpunge
Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.
TransliteRussian for Thunderbird
Печатаем по русски на разных клавиатурах.
E-Mails auf Russisch auf verschiedenen Tastaturen in Thunderbird.
Typing Russian on English, German and other keyboards without thinking about the layout.
Thunderbird Conversations
Featured
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
Display Mail User Agent T
Featured
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.
Attach from Clipboard
Create file attachments directly from the system clipboard.
Spam Scores
Displays spam scores according to mail headers. Supports spam/ham score headers of Rspamd and SpamAssassin. The add-on adds a column with the overall spam score to the mail list view and shows details of any matched spam/ham rule.
Quicktext
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
CardBook
Featured
A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon
To create your own collections, you must have a Mozilla Add-ons account.
