Appearance and Customization


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 (18)
1,937 users

HTitle (discontinued) Requires Restart

Hide title bar if window is maximized.

[!] This add-on has been discontinued.

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

Rated 5 out of 5 stars (110)
8,654 users

Forecastfox (fix version) Requires Restart

Get international weather forecasts from and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Now Available for: Firefox, Thunderbird and SeaMonkey!

Rated 5 out of 5 stars (214)
70,674 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 (185)
96,108 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 (14)
3,669 users


Add-on for Firefox and Thunderbird. Replaces built-in notifications with the OS native notifications. It supports most Linux Desktop Environments, Windows 8.1 & 10.

Rated 5 out of 5 stars (16)
14,742 users


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 (17)
17,548 users

Lightweight Themes Manager

Manage your installed personas (lightweight themes).

Rated 5 out of 5 stars (11)
14,511 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 (23)
2,743 users

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (8)
27,575 users

Extra Format Buttons Requires Restart

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

Rated 5 out of 5 stars (8)
6,924 users

Element Inspector

In the DOM Inspector,quickly navigate to the any elements

Rated 5 out of 5 stars (29)
4,066 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 (19)
788 users

Personas Shuffler

Change your Personas theme on each browser load.

Rated 5 out of 5 stars (12)
4,590 users

Before Tabs Toolbar Requires Restart

Adds a toolbar before the tabs.

Rated 5 out of 5 stars (7)
506 users

Menu Filter

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

Rated 5 out of 5 stars (45)
4,704 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)
2,848 users

All Menus Button

Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.

Rated 5 out of 5 stars (6)
2,267 users

Noia Fox options Requires Restart

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

Rated 5 out of 5 stars (15)
35,160 users

Show All Body Parts

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

Rated 5 out of 5 stars (17)
9,474 users