Add-ons
Most Popular See all »
-
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.24,203 users -
Fixed version (no 90 day timer till silent failure) of the popular "Theme Font & Size Changer for Thunderbird" addon17,997 users -
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.13,743 users
-
Adds a button that can be put in toolbars which opens the addressbook in a new tab like pastismans AddressBookTab10,267 users
-
Removes the "Local Folders" entry from the folder pane.8,635 users
Top Rated See all »
-
Makes search results sort by "date" instead of "relevance" by default.3,865 users -
A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.2,551 users -
![Icon for NoiaButtons [Tb45-58] (discontinued)](https://addons.thunderbird.net/user-media/addon_icons/352/352576-32.png?modified=1538896214)
The 'NoiaButtons' add-on offers cartoonish toolbar button icons (known from Noia themes) for default theme and lightweight themes. Further more lite silver and dark versions of Noia themes are included.247 users -
This add-on offers ui tweaks to improve Thunderbirds appearance (classic squared tabs, custom tab height, custom scrollbars, alternative Add-on Manager/Preferences appearance, compact main toolbars, toolbar icon sets and many more).5,680 users -
Add colors to your folders in Thunderbird!
Must-have for better organisation + intuitive and speedy workfow...
This is project "Color Folders" (originally by Fisheater), corrected, resurrected, restaurated, extended and republished2,548 users -
Hide title bar if window is maximized.
This add-on has been discontinued!
Legacy extensions support will be dropped in Firefox 57. If you interest in CSD on Linux, please track progress on https://bugzilla.mozilla.org/show_bug.cgi?id=1283299.23 users
Recently Added See all »
-
Load the contents of chrome/userChrome.js from the user's profile directory every time a window is opened.
This is an attempt to re-implement the old userChromeJS extension to make it compatible with Thunderbird 60+.0 users -
Add colors to your folders in Thunderbird!
Must-have for better organisation + intuitive and speedy workfow...
This is project "Color Folders" (originally by Fisheater), corrected, resurrected, restaurated, extended and republished2,548 users -
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.1,077 users -
⦁ NEW! Floating Toolbars & Menus with autohide!
⦁ "Maximize your screen content space by adjusting window TitleBar, Tabs, Toolbars, etc!".
⦁ Multiple Configurable Actions for both screen-corner buttons: Application/'Home' & Close buttons!134 users -
Sets the urgent flag (X11) of the Thunderbird window under Linux in case of new messages. Does ignore special folders like Drafts, Junk and such.41 users
-
Make some text notable on the each folder in folder's property dialog box.6 users
See all 137 extensions in Appearance and Customization »
To create your own collections, you must have a Mozilla Add-ons account.
