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Exit Button Thunderbird Requires Restart

Adds a toolbar button to exit Thunderbird. Go to View menu, Toolbars, Customize... and drag the icon where you want...

Rated 4 out of 5 stars (12)
141 users

Resubmit Requires Restart

(Re)submit multiple messages to a predefined recipient(s)

Rated 5 out of 5 stars (3)
5 users

Folder Filters Button Requires Restart

Just a very simple add-on that adds a toolbar button to execute the "Run Filters on Folders" from Tools menu.

Rated 5 out of 5 stars (36)
513 users

Subject Cleaner Requires Restart

Remove extra strings from the subject while composing the message.

Rated 4 out of 5 stars (12)
159 users

ConfirmFolderMove Requires Restart

Introduces a preference that allows users to be prompted before moving folders.

Rated 5 out of 5 stars (21)
917 users

Layout Switcher Requires Restart

Switches the mail layout to 'wide view' when on a large enough monitor.

Rated 4 out of 5 stars (6)
45 users

Message Archive Options Requires Restart

Adds the ability to customise the date format of the archive folders created by TB's Archive Message function

Rated 4 out of 5 stars (20)
219 users

Hyperactive Requires Restart

Scans hyperlinks in composed messages and alerts if one of the hyperlinks is broken.

Rated 4 out of 5 stars (1)
2 users

Undigestify Requires Restart

Undigestify RFC 1153, ListStar, and Yahoo digest messages

Not yet rated
1 user

Get Partial Messages Requires Restart

Get the rest of all partially downloaded messages from server.

Rated 5 out of 5 stars (3)
32 users

RemindIt

Help in reminding mails to be answer or sent again. Choose a reminder date for each received or send message that are highlighted in the message list, depending on their status (expired, soon to exprire, to be reminded). Sending a reminder is eased.

Rated 3 out of 5 stars (27)
653 users

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 (16)
114 users

Delete Trash Button Requires Restart

Adds an Empty Deleted button to the Toolbar

Rated 4 out of 5 stars (10)
106 users

Typical Reply Requires Restart

Provides ability to send/receive typical replies in a team.Provides ability to send/receive typical replies in a team.

Not yet rated
35 users

Night and Day Dynamic

A theme that switches between sun and moon based on time of day.

This is the canonical example dynamic theme published by Mozilla: https://github.com/mdn/webextensions-examples/tree/master/dynamic-theme

Rated 3 out of 5 stars (2)
1,276 users

ThunderbirdCR (Dictionary) Requires Restart

Context Reverso for Thunderbird.
A translator/dictionary available to English, Spanish, French, German, Italian, Portuguese Dutch, Polish, Romanian, Arabic, Chinese, Japanese, Hebrew, Russian, Turkish.

Hotkey: Search selected texts (Shift+F1)

Not yet rated
51 users

EagleCloud Extension

Works along with EagleCloud Information Security product to secure sensitive information based on company policy.

Not yet rated
2 users

ProtonMail Encryption Status

When using ProtonMail Bridge to integrate Mozilla Thunderbird withProtonMail, it's not easy to tell which emails were end-to-end (E2E) encrypted. This add-on puts an icon in the toolbar above every message to show you its encryption status.

Rated 5 out of 5 stars (5)
622 users

QuickNote-T Requires Restart

A note taking extension with advanced features.

Only QuickNote is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.

Rated 5 out of 5 stars (1)
22 users

White Screen

Use white screen test to detect dead pixels, stuck pixels, and other display defects.

Not yet rated
14 users