Appearance and Customization

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Redmine連携 Requires Restart

コンテキストメニューでRedmineチケットを作成します

Rated 1 out of 5 stars (1)
137 users
Updated September 14, 2016

YouTube 2 Player

Send YouTube video links to an external player, downloader, etc,

Rated 5 out of 5 stars (4)
1,251 users
Updated September 7, 2016

ColumnsWizard Requires Restart

Adds some magic to the mesasges list columns!
With this addon you can:
* Add a custom column
* Set the default columns for any new folder.
* Show hidden columns in the Conversation Tab.
* Edit a mail header value for a single message.

Rated 4 out of 5 stars (6)
1,130 users
Updated September 2, 2016

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 (182)
74,034 users
Updated September 2, 2016

Checkbox Column Requires Restart

Adds a custom column to Thunderbird's messages list (thread tree), making it easier to select multiple messages on devices with a touchscreen display.

Rated 5 out of 5 stars (1)
76 users
Updated August 29, 2016

Forecastfox (fix version) Requires Restart

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 (213)
66,276 users
Updated August 17, 2016

UI Text Overrider

Provides ability to override UI elements' label, tooltip text, etc.

Rated 5 out of 5 stars (1)
577 users
Updated August 10, 2016

ViewAbout Requires Restart

Enables access to various about: dialogs from the View menu.

Rated 4 out of 5 stars (17)
3,487 users
Updated August 2, 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 (932)
288,541 users
Updated July 28, 2016

Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

Not yet rated
24 users
Updated July 22, 2016

Version Number in Add-ons Manager

[Restartless] [e10s Compatible]
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)
306 users
Updated July 16, 2016

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)
3,213 users
Updated July 13, 2016

TotalQuickFilter Requires Restart

Reboot the QuickFilter bar.

Rated 3 out of 5 stars (6)
435 users
Updated July 11, 2016

Layout Button Requires Restart

A toolbar button to switch between layouts.

Rated 5 out of 5 stars (1)
117 users
Updated July 10, 2016

CuteButtons - Crystal SVG Requires Restart

Adds colourful icons to buttons and menus

Rated 4 out of 5 stars (105)
7,683 users
Updated July 8, 2016

Menu Filter

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

Rated 4 out of 5 stars (46)
4,382 users
Updated July 4, 2016

Responsible Blocker

The "Responsible Blocker" arrives to save the Internet, this extension blocks all those annoying ads, but allows only small and acceptable ads, so the websites you like can continue online.

The "Responsible Blocker" arrives to save the Internet!

Not yet rated
10 users
Updated July 4, 2016

Element Inspector

In the DOM Inspector,quickly navigate to the any elements

Rated 5 out of 5 stars (29)
3,615 users
Updated July 2, 2016

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (8)
21,999 users
Updated July 1, 2016

Large Fonts Requires Restart

This add-on enables you to change the font size of the plain text editor of Thunderbird.

Not yet rated
290 users
Updated June 26, 2016