Appearance and Customization

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HTitle (discontinued) Requires Restart

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.

Rated 5 out of 5 stars (129)
3,488 users

Add-ons Manager - Version Number

Restores version numbers for all installed add-ons inside Add-on Manager on Firefox, Thunderbird and Seamonkey.

Rated 5 out of 5 stars (25)
1,579 users

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 (15)
3,078 users

NoiaButtons

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.

Rated 5 out of 5 stars (22)
12,668 users

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 (52)
4,737 users

Search as list Requires Restart

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 (27)
3,094 users

Menu Wizard Requires Restart

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 (231)
96,116 users

GNotifier

Add-on for Thunderbird that replaces the built-in notifications with OS native ones. It supports most Linux Desktop Environments as well as Windows 8.1/10.

Rated 5 out of 5 stars (43)
9,996 users

Disable DragAndDrop (Thunderbird) Requires Restart

A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.

Rated 5 out of 5 stars (15)
2,085 users

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (13)
31,767 users

Hide C. Titlebar Plus Lite Requires Restart

* "Maximize your content space by configuring Title-bar & floating main-menu".
* Configurable "Thunderbird" application-main-button at top-left corner!, like Firefox's one. (see sshots)
* "Close Current Tab"! as configurable Close-button action.

Rated 5 out of 5 stars (20)
349 users

Element Inspector

In the DOM Inspector,quickly navigate to the any elements

Rated 5 out of 5 stars (35)
2,723 users

Tab Wheel Scroll

Switch tabs by scrolling with the mouse wheel in the tab bar.

Rated 4 out of 5 stars (158)
7,362 users

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)
703 users

Column Reader

Web reader for wide screens and long documents. Read with pleasure in attractive layouts.

Rated 5 out of 5 stars (14)
393 users

Dybutar

Dynamic creation of bookmark-style toolbar buttons which you can customize.

Rated 5 out of 5 stars (12)
63 users

Before Tabs Toolbar Requires Restart

Adds a toolbar before the tabs.

Rated 5 out of 5 stars (8)
380 users

Show All Body Parts

Enable the View | Message Body As | All Body Parts message display mode.

Rated 5 out of 5 stars (19)
7,896 users

Menu Filter

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

This extension is not being converted to a WebExtension.

Rated 4 out of 5 stars (50)
3,834 users

Sort and Search Customization Dialogs Requires Restart

Sort and search for buttons in (any) toolbar customization dialog

Rated 5 out of 5 stars (17)
462 users