Provider for Google Calendar Requires Restart

Allows bidirectional access to Google Calendar

Rated 4 out of 5 stars (1,027)
301,035 users
Updated July 27, 2019

Quicktext Requires Restart

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Rated 4 out of 5 stars (326)
90,760 users
Updated Jan. 4, 2019

Mail Redirect Featured

Allow to redirect (a.k.a. "remail") mail messages to other recipients.

Rated 4 out of 5 stars (128)
36,013 users
Updated Jan. 2, 2019

AttachExtraTools Requires Restart

This extension gives more options and tools to attach files from compose window.

Rated 4 out of 5 stars (10)
374 users
Updated Dec. 26, 2018

Open With

Open With can open your web links in any browser installed on your computer.

Not yet rated
1,156 users
Updated Dec. 25, 2018

LaTeX It! Requires Restart

This addons allows you to write LaTeX expressions in your emails such as $x^2$ or $$\sum_{x=0}\infty$$ and have them all replaced by a PNG image with the corresponding formula inside.

Rated 4 out of 5 stars (31)
372 users
Updated Dec. 23, 2018

NoComposeAccount Requires Restart

Have the option of Thunderbird always using the default sender account or a blank account when composing or replying to messages

Rated 4 out of 5 stars (13)
427 users
Updated Dec. 7, 2018

Lightning QR Code Add-on

Integrate QR codes for calendar events into tooltips for easy transfer to mobile devices.

Rated 5 out of 5 stars (13)
2,114 users
Updated Dec. 2, 2018

PathExplorer Requires Restart

Adds "Open PATH with Explorer" to the message pane's right-click menu.

Not yet rated
347 users
Updated Dec. 2, 2018

Mail Sent Notifier Requires Restart

Allows to notify a HTTP-GET based webservice after successfully sent an email, e.g. for time registration systems.

Not yet rated
34 users
Updated Dec. 2, 2018

iOS IMAP Notes Requires Restart

This extension allows to edit notes that were created by iOS devices within Thunderbird.
Some of the functionality is derived from the extension Header Tools Lite by Paolo "Kaosmos".

Rated 4 out of 5 stars (6)
375 users
Updated Nov. 26, 2018


Google Keep for Thunderbird

Rated 5 out of 5 stars (12)
3,047 users
Updated Nov. 20, 2018

FiltaQuilla Requires Restart

Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.

Rated 4 out of 5 stars (75)
9,249 users
Updated Nov. 15, 2018

Add Signature Requires Restart

Simply add your signature manually (right mouse click) to your emails

Rated 3 out of 5 stars (40)
5,347 users
Updated Nov. 13, 2018

Xpunge Requires Restart

Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.

Rated 4 out of 5 stars (37)
11,693 users
Updated Nov. 11, 2018

ConfirmBeforeDelete Requires Restart

Ask a confirm before to delete some items

Not yet rated
138 users
Updated Nov. 3, 2018

Subject Manager Requires Restart

Manages subject of composed emails.

Rated 5 out of 5 stars (17)
2,060 users
Updated Nov. 1, 2018

Ruler Bar Requires Restart

This appends a ruler to the mail composition window.

Rated 4 out of 5 stars (8)
1,559 users
Updated Nov. 1, 2018

Subject Cleaner Requires Restart

Remove extra strings from the subject while composing the message.

Rated 5 out of 5 stars (1)
901 users
Updated Oct. 29, 2018

Thunderbird Addons Test

Change prefs so that you use addons.thunderbird.net as the provider for add-on downloads and updates.

Not yet rated
31 users
Updated Oct. 25, 2018