Appearance and Customization

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Tag Sync for TB

Syncronise/transfer tags, to other TB installations.

POP and some IMAP servers don't store tags (keywords).
This addon helps to have the same emails tagged on all TB installations.
Uses a central database, can be installed on your PC or server.

Not yet rated
15 users
Added Feb. 23, 2024

quickfilter-kbd

A simple Thunderbird extension that adds keyboard shortcuts to quick-filter messages with the same sender, subject, or recipient as a selected message.

Rated 5 out of 5 stars (1)
36 users
Added Jan. 4, 2024

Dysclusif

Simplifier la lecture de mails en supprimant l'écriture inclusive

Rated 5 out of 5 stars (1)
9 users
Added Dec. 20, 2023

Articles Toolbar

Adds the Articles toolbar

Not yet rated
25 users
Added Dec. 16, 2023

ThunderSuite - Customize your Quick Access Sidebar

This extension allows user editing of the spaces sidebar.
Create custom spaces from the extension options, to turn the new toolbar introduced with Supernova into your personal quick access toolbox.

Rated 5 out of 5 stars (4)
257 users
Added Dec. 6, 2023

Quick Spaces

Makes it possible to add custom addresses to the spaces toolbar

Rated 5 out of 5 stars (1)
32 users
Added Dec. 2, 2023

Open Google Tabs

Open up Google Calendar, Notes, and Microsoft Outlook in a new tab.

Not yet rated
78 users
Added Nov. 17, 2023

Mark Button

Toolbar button to mark a message as read or unread with 1 click.

Rated 5 out of 5 stars (3)
106 users
Added Nov. 15, 2023

YouTube RSS feed redesign

Adds YouTube thumbnails to RSS feed entries

Not yet rated
46 users
Added Nov. 7, 2023

Last selected message

The add-on remembers the last selected message in visited folders. After restarting Thunderbird, when we enter the previously visited folder, this message will be displayed, just like in Microsoft Outlook.

Rated 3 out of 5 stars (4)
134 users
Added Oct. 21, 2023

Group Favorite Folders

An extension for Thunderbird 115+ (Supernova) that groups and sorts favorites folders in the compact view.

Not yet rated
232 users
Added Oct. 16, 2023

Send Unsent Mail Button

Toolbar button to send unsent messages.

Rated 5 out of 5 stars (2)
179 users
Added Oct. 8, 2023

Change Link Appearance

Changes the appearance of links when displaying a message

Not yet rated
90 users
Added Sept. 5, 2023

Dark Plain Text

Use dark mode styling when reading plain text emails with a dark theme.

Rated 5 out of 5 stars (1)
435 users
Added Sept. 1, 2023

Dropbox Paper

How Does It Work?
Once you install the add-on, a new icon will appear in the Thunderbird toolbar. Simply click on the icon, and it will open the Dropbox Paper tab.

Will the Dropbox Paper Add-on Collect My Data?
Never.

Not yet rated
38 users
Added Aug. 12, 2023

ThunderWebTabs

Opens Google Keep, Google Photos, Android Messages or any other website in Thunderbird's tab.

Users who encounter "Browser not supported errors" should try changing their User Agent. For more details, please visit the "Support site".

Rated 5 out of 5 stars (1)
263 users
Added July 30, 2023

No tabs

Hides the tab bar and automatically removes all inactive tabs everytime a tab is opened or switched to.

Rated 5 out of 5 stars (5)
126 users
Added July 27, 2023

New Bing Anywhere

New Bing isn't just for Edge anymore. Anywhere you want

Rated 2 out of 5 stars (2)
31 users
Added April 12, 2023

Move Folder (context-menu)

Adds the "Move to" menu entry to the folders panel context menu, allowing to move a Local folder (and its content) to another.
This feature is similar to the native one within message(s) context menu ("Move To"), but it applies to the folder tree.

Rated 3 out of 5 stars (2)
380 users
Added Jan. 31, 2023

RainbowMemo

Memo with rainbow colors.

Not yet rated
42 users
Added Jan. 14, 2023