Appearance and Customization


Search as list

Search results appear as list (as per the "Open email as list" button).
- return to facet view with shift+close [x]
- auto open list view when few results found
- column config./sort/toggle [IMG3&4]
- apply columns to search as list menu [IMG5]

Rated 5 out of 5 stars (18)
1,103 users

Menu Wizard

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (126)
22,094 users

Simple Locale Switcher

An easier management of the user interface language

Rated 5 out of 5 stars (7)
11,676 users

Hide Local Folders

Removes the "Local Folders" entry from the folder pane.

Rated 4 out of 5 stars (19)
5,894 users

Tag Toolbar

Add toolbar for toggling tags.

Rated 4 out of 5 stars (38)
15,283 users

Element Inspector No Restart

Shift-RightClick any element to open it in DOM Inspector.

Rated 5 out of 5 stars (26)
2,714 users

Menu Filter No Restart

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

Rated 4 out of 5 stars (35)
2,934 users

Color Folders

Color your Folder Treeview Icons!

Rated 4 out of 5 stars (123)
25,106 users

Old-style smilies

Reverts the smilies in Thunderbird to those of version 2.

Rated 4 out of 5 stars (1)
2,155 users


Hide title bar if window is maximized.

This extension created only for GNOME 3. It can create problems with another DE (KDE, XFCE, etc). However, you can use HTitle at your own risk (need enable "legacy" mode on settings page).

Rated 5 out of 5 stars (88)
9,064 users

Color Transform No Restart

Adapt page colors to your taste or need. Save your favorite color scheme for automatic coloration. Comes with 18 predefined themes and 24 basic transforms for hue, saturation, lightness and opacity. For Firefox 24.0 and newer.

Rated 4 out of 5 stars (10)
2,718 users

Search Results Sort By Date Not Relevance

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

Rated 5 out of 5 stars (14)
2,771 users

Priority Switcher

Change priority of the received messages from the toolbar button and the context menus...

Rated 4 out of 5 stars (18)
2,086 users

Maximize Message Pane

Maximize message pane by collapsing the thread pane. You can read a message in larger area without opening a new message window...

Rated 4 out of 5 stars (23)
3,614 users

New Tab Button

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 (8)
1,828 users

More Snooze

This add allow to customize the snooze delay when snooze popup appears (lightning required).

Rated 5 out of 5 stars (5)
1,390 users

Zoom Button for Thunderbird

Zoom in, zoom out, and reset zoom with one toolbar button. Works in the Compose window too.

Rated 4 out of 5 stars (11)
2,691 users

Extra Format Buttons

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

Rated 5 out of 5 stars (5)
4,025 users

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 (7)
26,843 users

Mark All Read Button

Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.

Rated 4 out of 5 stars (29)
4,460 users