Appearance and Customization

Subscribe

Send Unsent Mail Button

Toolbar button to send unsent messages.

Rated 5 out of 5 stars (2)
192 users
Updated Oct. 16, 2023

Mahour-Iranian-Date

This add-on adds a new column called "تاریخ" ("Date (Persian)" since V1.1.3) in message list containing Iranian Date.

It is reimplementation of Iranian date for Thunderbird 78. The source is based on Full address column by Łukasz Kosson.

Rated 5 out of 5 stars (5)
10 users
Updated Oct. 16, 2023

Tag Toolbar / Tag Popup

Add toolbar for toggling tags.

Rated 4 out of 5 stars (84)
15,106 users
Updated Oct. 8, 2023

Message Header Toolbar Customize

You can change icon display and button order. You can also hide unnecessary buttons.

Rated 5 out of 5 stars (48)
4,546 users
Updated Oct. 8, 2023

Dark Plain Text

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

Rated 5 out of 5 stars (1)
458 users
Updated Oct. 2, 2023

FrameWhite

FrameWhite version 117.1 was released, Thunderbird never drop down the letter.
For SUPERNOVA(115), Add-ons Manager > Themes > System theme-auto Enabled.

send this gift to a friend Eunjo.

Rated 4 out of 5 stars (6)
523 users
Updated Sept. 27, 2023

Change Link Appearance

Changes the appearance of links when displaying a message

Not yet rated
87 users
Updated Sept. 18, 2023

userChromeJS

Load the contents of chrome/userChrome.js from the user's profile directory every time a window is opened. Also add a toolbar button which reloads userChrome.js in the current window.

Rated 5 out of 5 stars (8)
314 users
Updated Sept. 8, 2023

Filter on Folder Button

new in version 1.5.1:
code optimised for Thunderbird version >= 115

new in version 1.5:
code changed to popup menu

functions:
new menu button with filter functions, with hotkeys, theme support, more languages

Rated 4 out of 5 stars (25)
1,134 users
Updated Sept. 5, 2023

Thunvatar

Adding a column with the favicon of sender's domain to the message list

Rated 5 out of 5 stars (11)
14 users
Updated Aug. 18, 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
45 users
Updated Aug. 12, 2023

BorderColors D

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

Rated 4 out of 5 stars (33)
7,276 users
Updated 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)
250 users
Updated Aug. 8, 2023

Folders for search, onDisk Status- Glodaquilla-NG:

Global Search/Indexing Enhancements/ On Disk Status for IMAP
Permits selective enabling and disabling of search indexing on folders or accounts - with inheritence. Extra columns can show whether a mail is stored on disk and its indexing status.

Not yet rated
11 users
Updated Aug. 1, 2023

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 (24)
28,139 users
Updated 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)
120 users
Updated July 29, 2023

No Message Pane Sort

No Message Pane Sort prevents accidental resorting of the message pane by disabling mouse button clicks on the column headers, thus, locking the sorting order of your emails.

It is still possible to sort messages by ctrl-clicking the header.

Rated 5 out of 5 stars (54)
3,838 users
Updated July 21, 2023

tbkeys-lite

Custom Thunderbird keybindings

This add-on is a follow on to Keyconfig which is no longer supported.

It is aimed at power users. Please look at the GitHub site before leaving a one star review about documentation or usability.

Rated 5 out of 5 stars (59)
3,610 users
Updated July 21, 2023

Disable DragAndDrop (for Thunderbird 68+)

Disable drag and drop on the folder tree in order to prevent unintended folder movement.

Rated 5 out of 5 stars (17)
3,028 users
Updated July 15, 2023

Addon Compatibility Check for TB 102/TB 115

Checks all installed add-ons for compatibility with Thunderbird 102 (or TB 115) and displays status information on a button in the main toolbar. This button will open a detailed overview, including links to alternatives for abandoned add-ons.

Rated 4 out of 5 stars (10)
16,401 users
Updated July 12, 2023