Appearance and Customization

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Before Tabs Toolbar Requires Restart

Adds a toolbar before the tabs.

Rated 5 out of 5 stars (7)
336 users
Updated November 22, 2016

Menu Filter

Keep your menus in check by filtering out items you never use.

Rated 4 out of 5 stars (45)
4,368 users
Updated November 19, 2016

Classic Pop-up Alerts

This addon returns the old view of the pop-up notifications, as in Firefox 4.0 - 43.0

Not yet rated
719 users
Updated October 13, 2016

Redmine連携 Requires Restart

コンテキストメニューでRedmineチケットを作成します

Rated 3 out of 5 stars (2)
140 users
Updated September 14, 2016

Thin Tabs

Extremely thin tabs optimized for the squared variants of Classic Theme Restorer.

Please see description for updates!

Rated 4 out of 5 stars (13)
1,035 users
Updated September 13, 2016

ColumnsWizard Requires Restart

Adds some magic to the messages list columns!
With this addon you can:
* Add a custom column
* Set the default columns for any new folder.
* Show hidden columns in the Conversation Tab.
* Edit a mail header value for a single message.

Rated 4 out of 5 stars (7)
1,027 users
Updated September 2, 2016

Checkbox Column Requires Restart

Adds a custom column to Thunderbird's messages list (thread tree), making it easier to select multiple messages on devices with a touchscreen display.

Rated 4 out of 5 stars (3)
297 users
Updated August 29, 2016

UI Text Overrider

Provides ability to override UI elements' label, tooltip text, etc.

Rated 5 out of 5 stars (1)
821 users
Updated August 10, 2016

Slim Add-ons Manager

The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.

Rated 5 out of 5 stars (49)
6,706 users
Updated August 3, 2016

ViewAbout Requires Restart

Enables access to various about: dialogs from the View menu.

Rated 4 out of 5 stars (17)
2,659 users
Updated August 2, 2016

Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

Not yet rated
25 users
Updated July 22, 2016

Version Number in Add-ons Manager

[Restartless] [e10s Compatible]
Easily viewable version info in the Add-ons Manager on Firefox/Thunderbird 24.0 and later.
Also restores the add-on version number on Firefox/Thunderbird 40.0 and later.

Rated 5 out of 5 stars (3)
280 users
Updated July 16, 2016

Search Results Sort By Date Not Relevance Requires Restart

Makes search results sort by "date" instead of "relevance" by default.

Rated 5 out of 5 stars (14)
3,094 users
Updated July 13, 2016

TotalQuickFilter Requires Restart

Reboot the QuickFilter bar.

Rated 3 out of 5 stars (8)
232 users
Updated July 11, 2016

Layout Button Requires Restart

A toolbar button to switch between layouts.

Rated 5 out of 5 stars (1)
269 users
Updated July 10, 2016

Large Fonts Requires Restart

This add-on enables you to change the font size of the plain text editor of Thunderbird.

Rated 3 out of 5 stars (2)
535 users
Updated June 26, 2016

Big Navigation

enlarging the navigation links on the pages

Rated 5 out of 5 stars (8)
409 users
Updated June 25, 2016

Safe for Amoled

Darkens the background of the page

Rated 3 out of 5 stars (21)
290 users
Updated June 21, 2016

Highlight Unread Folders Requires Restart

This add-on enables highlighting the account names which contain unread messages.

Not yet rated
263 users
Updated May 16, 2016

Show Calendar Week Requires Restart

Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.

Rated 5 out of 5 stars (6)
867 users
Updated May 4, 2016