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Colored Diffs

Color diffs sent by SVN/CVS/GIT/Mercurial...

Rated 4 out of 5 stars (20)
472 users
Updated Feb. 24, 2021

CardBook Featured

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Rated 4 out of 5 stars (320)
68,993 users
Updated Feb. 24, 2021

Hide Email Folders

Hide Email Folders from the Unified pane view.
* This only works for Unified folder view.
Special thanks to `C-E` and `Alex Cabal` for `Hide Local Folders` extension.

Not yet rated
7 users
Updated Feb. 24, 2021

Compact Headers

Limits displayed headers to 1 or 2 lines.

Rated 4 out of 5 stars (27)
7,100 users
Updated Feb. 24, 2021

Lightning Calendar Tabs

Displays tabs which allows quick navigation between time periods in Lightning calendar. All views of calendar are supported. Color of tab texts can be adjusted.

Rated 4 out of 5 stars (15)
23,054 users
Updated Feb. 24, 2021

Full Address Column

Adds a full sender and recipient e-mail column to message list panel.

Rated 4 out of 5 stars (17)
1,686 users
Updated Feb. 23, 2021

Get All Mail Button for TB78++

Adds a toolbar button to get all new messages for all accounts in Thunderbird. When clicked, it does the same as the default button "Get Messages" dropdown menu entry "Get All New Messages".

Rated 5 out of 5 stars (1)
0 users
Updated Feb. 23, 2021

KeepRunning

Once you close Thunderbird you will no longer be able to see your new emails. This plugin keeps Thunderbird active in the background, meaning you can still receive your new emails after closing the app. Use this when the app is in the startup.

Not yet rated
0 users
Updated Feb. 23, 2021

Unsubscribe

Lightweight solution to simplify unsubscribing from newsletters

Rated 2 out of 5 stars (1)
0 users
Updated Feb. 23, 2021

Transfer Immunity

Transfer Immunity is a fast and secure add-on and SaaS service for sharing and transferring files. This high-fidelity, SaaS-based platform allows users to send large files to different destinations as attachments with emails.

Not yet rated
40 users
Updated Feb. 23, 2021

QuickFolders (Tabbed Folders)

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!

Rated 5 out of 5 stars (160)
22,652 users
Updated Feb. 22, 2021

Web Translate

The best Translator for Thunderbird 78!
Available also for Firefox!

Supported translators:
Google Translate
Microsoft Translator
DeepL
Yandex
Яндекс Переводчик
Google 翻译
百度翻译

Rated 5 out of 5 stars (11)
7,124 users
Updated Feb. 22, 2021

Grammalecte [fr] (for Thunderbird)

French grammar checker. Included: conjugation tool, text formatter and spelling dictionaries.

Rated 5 out of 5 stars (12)
4,909 users
Updated Feb. 22, 2021

ThirdStats

Beautifully visualized statistics for your Thunderbird Email Accounts

Rated 5 out of 5 stars (5)
1,074 users
Updated Feb. 22, 2021

Markdown Here Revival

A revival of the popular Markdown-Here addon for Thunderbird 78 and beyond.

Markdown Here Revival is a Thunderbird extension that lets you write emails in Markdown and render them as HTML before sending.

Not yet rated
56 users
Updated Feb. 20, 2021

Safe Links Cleaner

Clean up the display of links rewritten by Microsoft ATP Safe Links when reading and composing mail, so the original links can easily be viewed and copied, while retaining the rewritten addresses as the actual target of all links.

Not yet rated
15 users
Updated Feb. 20, 2021

Logout

This extension adds "Logout" to the folders/accounts context menu.

After you "Logout" you will be asked again for passwords for this account (incoming and outgoing) without the need to restart thunderbird.

Rated 5 out of 5 stars (1)
112 users
Updated Feb. 17, 2021

Mailbox Alert

Mailbox Alert allows you to specify, for each seperate mail folder, a message, sound and/or a system command that will be executed when new mail is found there. ...

Rated 4 out of 5 stars (143)
14,201 users
Updated Feb. 17, 2021

StandardTexter

With the help of this Add-on, up to 99 pre-made texts (standard texts, text modules or even signatures) can be stored, which can then be retrieved and inserted when writing an e-mail.
The texts can be preformatted with HTML.

Rated 5 out of 5 stars (5)
371 users
Updated Feb. 16, 2021

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.

Rated 5 out of 5 stars (13)
7,098 users
Updated Feb. 16, 2021