Recently Updated Extensions
GCalTab is a Thunderbird add-on that opens Google Calendar website in a Thunderbird tab. It features a beautiful dark mode thanks to the DarkReader algorithm.
Adds a button to the message view toolbar to copy the message ID to the clipboard. This is useful when sending email replies via the command line.
CardBook Requires Restart
A new Thunderbird address book based on the CardDAV and vCard standards.
Filter Button Requires Restart
Allows to add a button to the message header view toolbar that shows all filters that match the selected message, including manual and disabled filters. A click on the button allows to select a filter to run.
QuickFolders (Tabbed Folders) Requires Restart Featured
The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.
See new mail at a glance after automatic filtering - supports quickFilters addon!
MailHops Requires Restart
MailHops maps the route an email took to get to you. Displaying the senders location, weather, user-agent and authentication used.
This is an extension function that classifies emails into multiple buckets using the Bayesian filter and tags them.
DeepDark for Thunderbird Requires Restart
Dark mode for Thunderbird UI
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.
Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.
Moves the toolbar back above the tabbar.
Send Later Requires Restart Featured
True "Send Later" functionality to schedule the time for sending an email.
Upload large attachments to your Cloud and send the link by email
ThunderLink Requires Restart
Clickable, durable links to specific messages inside Thunderbird.
MyPhoneExplorer Requires Restart
This Addon is needed to sync your Android based smartphone with Thunderbird with the Software "MyPhoneExplorer"
TBDialOut Requires Restart
Place phone calls directly from Thunderbird's address book
Thunderbird Conversations Requires Restart
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
Sets the spell check dictionary based on the first recipient
Diese Erweiterung überprüft ungelesene E-Mails auf Spoofingversuche. Die E-Mails werden mithilfe von fünf unterschiedlichen Tests untersucht um deren Legitimität festzustellen. Die Tests werden einzeln erklärt auf der Einstellungsseite.
E-Mails auf Russisch auf der deutschen Tastatur in Thunderbird.
E-mails in russian on german keyboard in Thunderbird.
Пишем письма по русски на немецкой клавиатуре в Thunderbird.