Appearance and Customization

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Old-style smilies

Reverts the smilies in Thunderbird to those of version 2.

Rated 4 out of 5 stars (1)
2,229 users

New Tab Button

It provide you the following functionalities:
* Open a selected message in a tab by a toolbar button
* Open a message in a tab by double-clicking its header view (disabled by default)
* Hide Lightning's Today Pane on opening a tab

Rated 5 out of 5 stars (8)
2,070 users

Color Transform No Restart

Adapt page colors to your taste or need. Save your favorite color scheme for automatic coloration of newly opened web pages. With 18 predefined themes and 24 basic transforms for hue, saturation, lightness and opacity.

Rated 4 out of 5 stars (14)
1,962 users

Element Inspector No Restart

Shift-RightClick any element to open it in DOM Inspector.

Rated 5 out of 5 stars (18)
1,942 users

Colorific No Restart

Colorize web pages by means of advanced controls for hue, saturation, lightness and opacity. White-list web domains for automatic colorization. NEW: Use drag-and-drop to copy themes as text and to freely group color properties.

Rated 4 out of 5 stars (14)
1,845 users

S3.Menu Wizard

Customize menus : Helps removing, moving and renaming menus and menu items
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (15)
1,836 users

Monitor Master No Restart

Functionality for multiple screens and windows. Open, merge and position windows, tabs and links by means of intuitive graphical controls in your context menu's.

Rated 4 out of 5 stars (10)
1,797 users

More Snooze

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

Rated 4 out of 5 stars (5)
1,559 users

Enhanced Priority Display

Enhanced thread pane display of message priorities.

Rated 5 out of 5 stars (5)
897 users

Stylish Tools

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 4 out of 5 stars (1)
872 users

Hide C. Titlebar Plus Lite

* "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 (12)
784 users

Big Navigation No Restart

Increases the navigation links on the pages

Rated 5 out of 5 stars (4)
721 users

Address Widget Lines

Address Widget Lines provides the ability to select the number of address lines to display in the message compose window.

Rated 5 out of 5 stars (15)
665 users

Collapsed Unread

Shows unread email count for collapsed folders even if the unread mails are in subfolders.

Rated 3 out of 5 stars (5)
660 users

Menu On Top No Restart

Moves the Thunderbird menu bar to the top. Choose from a selection of visual styles.

It is convenient to have the menu on top of the tabs like Firefox; this is also a good area for placing "global" toolbar buttons like Navigation or get mail.

Rated 5 out of 5 stars (3)
645 users

Windows Taskbar Unread Badge No Restart

Put an unread mail count badge on the Thunderbird icon in the Windows taskbar.

Rated 4 out of 5 stars (4)
455 users

Before Tabs Toolbar

Adds a toolbar before the tabs.

Rated 5 out of 5 stars (5)
455 users

Titlebar Tabs Cleaner

A toolbar button to remove the tabs from the Windows titlebar back to their original place. Provides an easy way to undo the changes introduced by Thunderbird 17 or switch between the two modes effortlessly.

Rated 5 out of 5 stars (6)
434 users

Sort and Search Customization Dialogs

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

Rated 4 out of 5 stars (11)
411 users

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 (12)
404 users