Appearance and Customization


Personas Shuffler

Change your Personas theme on each browser load.

Rated 5 out of 5 stars (17)
1,881 users


This add-on offers ui tweaks to improve Thunderbirds appearance (squared tabs, custom tab height, alternative Add-on Manager appearance, compact main toolbars and more). v2.0.5+ for Fx52-61+

Rated 5 out of 5 stars (6)
1,238 users

Enhanced Priority Display Requires Restart

Enhanced thread pane display of message priorities.

Rated 5 out of 5 stars (7)
1,145 users

Menu On Top (SuperMenu Avatar)

Move the Thunderbird menu bar to the top. Choose from a selection of visual styles + colors. Add frequently used bookmarks and an avatar icon without wasting precious screen space. Bookmark your favorite sites, emails, folders or configuration pages.

Rated 5 out of 5 stars (7)
1,233 users

Titlebar Tabs Cleaner Requires Restart

A toolbar button to remove the tabs from the Windows titlebar back to their original place. Provides an easy way to undo the changes introduced by Thunderbird 17 or switch between the two modes effortlessly.

Rated 5 out of 5 stars (7)
326 users

Lightweight Themes Manager

Manage your installed personas (lightweight themes).

Rated 4 out of 5 stars (13)
5,143 users

Firesizer Requires Restart

Allows you to resize the window to specific dimensions.

NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.

Rated 4 out of 5 stars (127)
11,596 users

关闭即最小化 Requires Restart

Use this to Minimize
A remake of the MinimizeToTray-extension made to fit the Windows 10 taskbar. Instead of minimize the window to the tray it minimize it to the taskbar.

Rated 5 out of 5 stars (9)
76 users

about:config Button

Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.

Rated 5 out of 5 stars (5)
2,512 users

New Tab Button Requires Restart

It provide you the following functionalities:
* Open a selected message in a tab by a toolbar button
* Open a message in a tab by double-clicking its header view (disabled by default)
* Hide Lightning's Today Pane on opening a tab

Rated 5 out of 5 stars (7)
1,304 users

Page Colors & Fonts Buttons

Adds buttons to toggle the using the default page colors and fonts, and the page defined colors and fonts.

Rated 5 out of 5 stars (7)
1,174 users


Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.

Rated 5 out of 5 stars (5)
87 users


Adds icons to buttons and/or menus.

Rated 4 out of 5 stars (94)
4,603 users

Noia Fox options Requires Restart

Options manager and fixes for Noia Fox theme 3.x.x

Rated 4 out of 5 stars (16)
15,346 users

G-Hub Lite Requires Restart

Add Google Tabs to Thunderbird! Services supported: Voice, Calendar, Drive, Docs, Sheets, Slides, Hangouts, Plus, Photos, Contacts, News, Maps, & many more. Need Google Apps? Check out G-Hub Pro:

Rated 5 out of 5 stars (7)
5,014 users

Stylish-Custom Requires Restart

custom additions to Stylish extension

Rated 4 out of 5 stars (10)
951 users

Extra Format Buttons Requires Restart

Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.

Rated 4 out of 5 stars (12)
5,227 users

Keep in Taskbar Requires Restart

A simple plugin that makes the Close button behave exactly like the Minimize one.

Rated 5 out of 5 stars (5)
3,449 users

Sender Frequency Requires Restart

Adds a custom column for Sender Frequency to the thread pane

Rated 5 out of 5 stars (4)
143 users

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 (14)
653 users