Interface Customizations

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MinimizeToTray Reanimated Requires Restart

MinimizeToTray Reanimated is an application mainly dedicated to Thunderbird to allow its minimization in the systray in one click. It is the update of MinimizeToTray Revived, which is not maintained anymore since the recent versions of Thunderbird.

Rated 5 out of 5 stars (91)
19,290 users

CuteMenus - Crystal SVG Requires Restart

Note from Mozilla: This add-on has been discontinued. Try Menu Icons Plus instead.

Adds icons to all menus along with some other features...

Rated 4 out of 5 stars (102)
4 users

Sea Fox Requires Restart

Transform SeaMonkey into Firefox 3.x

Rated 4 out of 5 stars (14)
145 users

WebPG for Mozilla Requires Restart

An extension which provides GnuPG/GPG/PGP related functions to Moizilla Firefox, Thunderbird and Seamonkey

Rated 3 out of 5 stars (24)
12 users

CheckBoxMate Lefedor Edition Requires Restart

Check multiple checkboxes by drawing a rectangle around them. FF6 version.
I've made this version since i did need it for use with RTM,

Rated 4 out of 5 stars (16)
1 user

Duplicate This Tab Requires Restart

This add-on provides the much needed feature update of Tab Duplication to Mozilla Browsers. Features Supported include Duplication of Browser Tabs, Detaching Tabs and Merging All Windows.

Rated 4 out of 5 stars (39)
104 users

Flexible Sidebar

Flexible Sidebar allows to change sidebar width by dragging the handles.

Rated 5 out of 5 stars (1)
17 users

Page Navigation Buttons

Adds a few buttons to help with page navigation, including Page Top, Page Bottom, Page Down and Page Up.

Rated 5 out of 5 stars (3)
12 users

YouTube Anywhere Player

Watch videos anywhere in cinema mode without leaving the website you're on.

Rated 5 out of 5 stars (64)
32 users

Edit Custom Size Image Requires Restart

Fixes a bug in SeaMonkey Composer and Thunderbird Message Compose whereby the Image Properties dialog would always reset the image to actual size.

Not yet rated
0 users

SeaFind - Findbar for SeaMonkey Requires Restart

Adds the find in page toolbar (findbar) from Firefox to SeaMonkey.

Rated 5 out of 5 stars (1)
0 users

YouTube Video Player Pop Out

YouTube Video Player Pop Out lets you pop out YouTube videos so that you can watch YouTube videos while you surf.

Rated 5 out of 5 stars (5)
36 users

Folder Pane Cell Selection Type Requires Restart

Since 20070806 the MailNews folder pane has switched from its previous cell text selection to the full row selection which the Mozilla Suite used to use.

Rated 5 out of 5 stars (1)
1 user

Tab Clicking Options Requires Restart

Select actions for various clicking events on a tab or the tab...

Rated 4 out of 5 stars (70)
18 users

RC Print Requires Restart

Adds a "Print" option to the Right-Click context menu.

Rated 5 out of 5 stars (2)
8 users

URLFilter

Block advertisement and access to adult sites

Rated 4 out of 5 stars (23)
40 users

Key config Requires Restart

This add-on provides configurable keyboard shortcuts for several actions and a dialog to customize them.
All shortcuts can be redefined in Tools -> Key settings

Rated 3 out of 5 stars (22)
3 users

Xclear Requires Restart

Safari-like icons in the URL, search and find fields to clear their contents.

Rated 5 out of 5 stars (44)
6 users

AMO Browsing for SeaMonkey

This extension makes browsing for extensions easier at addons.mozilla.org. It fixes incorrect information about some extensions being not available for SeaMonkey and adds links to the Add-on Converter where needed.

Rated 5 out of 5 stars (6)
212 users

HashColouredTabs+ Requires Restart

Improves tab identification by providing a small colored icon for any site which doesn't have its own 'site icon'.
★ 'favicon' now also shown in history and bookmarks ★

Rated 4 out of 5 stars (38)
4 users