Appearance and Customization

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Add-ons Manager - Version Number No Restart

Restores add-on version number inside Add-on Manager for latest builds of Firefox, Thunderbird and Seamonkey.

Rated 5 out of 5 stars (15)
1,054 users
Updated February 3, 2016

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 3 out of 5 stars (12)
2,863 users
Updated January 29, 2016

Colorific No Restart

Colorize entire web pages manually or automatically. With 28 customizable themes that transform hue, saturation, lightness and opacity. For Firefox 28.0 and above. NEW: Copy themes and group color properties using drag-and-drop.

Rated 3 out of 5 stars (7)
1,720 users
Updated January 29, 2016

Personas Plus

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

Rated 3 out of 5 stars (961)
360,989 users
Updated January 27, 2016

CuteButtons - Crystal SVG

Adds colourful icons and animations to buttons and menus

Rated 4 out of 5 stars (95)
8,180 users
Updated January 19, 2016

Forecastfox (fix version)

Get international weather forecasts from AccuWeather.com 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 (179)
61,673 users
Updated January 18, 2016

Stylish-Custom

custom additions to Stylish extension

Rated 5 out of 5 stars (1)
168 users
Updated January 16, 2016

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 (143)
33,198 users
Updated January 14, 2016

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 (22)
1,581 users
Updated January 11, 2016

Menu On Top (SuperMenu Avatar) No Restart

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 (3)
1,041 users
Updated January 11, 2016

Version Number in Add-ons Manager No Restart

Easily viewable version info in the Add-ons Manager on Firefox/Thunderbird 24.0 and later.
Also restores the add-on version number on Firefox/Thunderbird 40.0 and later.

Rated 5 out of 5 stars (2)
233 users
Updated January 8, 2016

Simple Locale Switcher

An easier management of the user interface language

Rated 5 out of 5 stars (7)
14,889 users
Updated January 7, 2016

Menu Filter No Restart

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

Rated 4 out of 5 stars (38)
3,931 users
Updated December 17, 2015

Safe for Amoled No Restart

Darkens the background of the page

Rated 4 out of 5 stars (18)
2,325 users
Updated November 28, 2015

G-Hub Lite

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: http://www.schiffner.com/index.php/software/g-hub-pro

Rated 4 out of 5 stars (3)
3,581 users
Updated November 23, 2015

GNotifier No Restart

Add-on for Firefox and Thunderbird. Integrates Firefox's notifications with the OS's native notification system. It supports most Linux desktops and Windows 8.

Rated 5 out of 5 stars (47)
11,511 users
Updated November 20, 2015

Before Tabs Toolbar

Adds a toolbar before the tabs.

Rated 5 out of 5 stars (7)
452 users
Updated November 20, 2015

Pic Zoom

Zoom in and out of any image on a page

Not yet rated
67 users
Updated November 10, 2015

Hide Badge Icon

Hides the badge for new messages of the Thunderbird app icon on Mac OSX.

Not yet rated
5 users
Updated November 8, 2015

Thunderbird-DontRestoreTabs

Allows the user not to restore tabs at startup in Thundertbird

Not yet rated
29 users
Updated October 26, 2015