Appearance and Customization

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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 (1)
33 users
Updated February 26, 2015

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 (73)
10,903 users
Updated February 23, 2015

Lightning Reminder Left Buttons

Tired to mistakenly press that "Dismiss All" button? Move the Lightining Reminder "Snooze all for" and "Dismiss All" buttons to the LEFT!
... and from version 2.0 you can keep them on the RIGHT, but swapped!

Not yet rated
39 users
Updated February 20, 2015

Toggle Folderpane View

This addon provides a toolbar button for toggling between the "All" and "Favorite" views in the folderpane.

Not yet rated
29 users
Updated February 18, 2015

Menu Filter No Restart

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

Rated 4 out of 5 stars (29)
2,251 users
Updated February 15, 2015

Auto Zoomer

Keep a preset zoom level across thunderbird restarts.
Usefull on High DPI screens.

Not yet rated
40 users
Updated February 9, 2015

Simple Week View

A simple week view for Lightning, as in the print layout.

Rated 5 out of 5 stars (1)
152 users
Updated February 9, 2015

ColumnsWizard

Adds some magic to the folder list columns!
With this addon you can:
* Add a custom column
* Set the default columns settings for any new folder.
* Show hidden columns in the Conversation Tab and in the search window.

Rated 5 out of 5 stars (3)
341 users
Updated February 6, 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 (36)
10,988 users
Updated February 4, 2015

Simple Locale Switcher

An easier management of the user interface language

Rated 5 out of 5 stars (4)
8,080 users
Updated January 29, 2015

Simple Timer

A timer/clock residing in the toolbar.

Rated 5 out of 5 stars (102)
14,946 users
Updated January 26, 2015

Sort and Search Customization Dialogs

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

Rated 4 out of 5 stars (13)
493 users
Updated January 14, 2015

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 (28)
4,526 users
Updated January 8, 2015

HTitle

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 (81)
6,495 users
Updated December 30, 2014

ksbtechies No Restart

Displays latest ksbtehchies News in a popup widget
Get all the Latest ksbtehchies News headline with a single click.

Opens a popup widget with the latest news headlines.

Not yet rated
1 user
Updated December 14, 2014

Noia Fox options

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

Rated 5 out of 5 stars (8)
48,257 users
Updated December 13, 2014

QuickFilterPlus No Restart

Adds personal filters to quickfilter toolbar

Not yet rated
66 users
Updated December 11, 2014

Redmine連携

コンテキストメニューでRedmineチケットを作成します

Not yet rated
47 users
Updated December 11, 2014

More Snooze

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

Rated 5 out of 5 stars (5)
1,466 users
Updated November 21, 2014

Posting Style Enforcer

Automatically converts top-posted messages to use bottom-positng or vice versa. Interleaved posts are left alone. Detects automatically added text and supports a per-contact list of exceptions.

Rated 5 out of 5 stars (3)
58 users
Updated November 7, 2014