Interface Customizations

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Dorando keyconfig Requires Restart

A modified Dorando's tool to rebind keys in Mozilla apps. It is designed to be a drop-in replacement, and will keep your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) works again!

Rated 5 out of 5 stars (19)
1,851 users

Single Key Tab Switch Requires Restart

Single Key Tab Switch provides configurable single hotkeys for switching tabs, like the 'Single-key shortcuts' feature of the Opera browser.

Rated 4 out of 5 stars (28)
1,105 users

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 (179)
59,662 users

Tabs Menu Requires Restart

Adds a Tabs menu to the main menu that lets you easily change between tabs.

Rated 4 out of 5 stars (30)
2,511 users

Speed Start

Speed Dial & Start Page with flexible layout for fast access to sites via visual bookmarks

Rated 5 out of 5 stars (37)
5,787 users

Scriptish Requires Restart

The greatest user script engine on the Internet (a fork of Greasemonkey).

Rated 4 out of 5 stars (119)
59,909 users

Custom Buttons Requires Restart

Gives a possibility to create custom toolbarbuttons...

Rated 4 out of 5 stars (107)
57,971 users

F.B. Purity - Cleans Up Facebook

F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.

Rated 5 out of 5 stars (89)
38,798 users

No Alt Text Requires Restart

Changes the default setting for new images to not use alternative text. This also works around a bug in some versions of SeaMonkey Composer and Thunderbird Message Compose whereby the Image Properties dialog would always demand alt text.

Rated 5 out of 5 stars (1)
8 users

Sea Fox Requires Restart

Transform SeaMonkey into Firefox 3.x

Rated 5 out of 5 stars (6)
439 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 (13)
999 users

ImageBlock for seamonkey Requires Restart

Updated version of imageblock by Hemant Vats to work with seamonkey 2.29.
Provides a fast way to disable images in web pages that's usually set by the image manager sub-menu.

Not yet rated
20 users

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
7 users

Joomla! Admin Requires Restart

Joomla! Admin brings ease & convenience to your computer/workstation, by providing you with a ready-to-use menu options that balms your repetitive work :) Now, Go to the Administrator page or Duplicate the current tab to a new tab/window in a jiffy!!

Rated 5 out of 5 stars (5)
555 users

Togglify Add-on Toggler

Adds toolbar buttons for each restartless add-on (including user scripts and plugins) to toggle its enabled state.

Rated 3 out of 5 stars (7)
20 users

printplus Requires Restart

PDF export support by Gecko.
https://github.com/hATrayflood/printplus

Rated 4 out of 5 stars (5)
539 users

Duplicate Tab Blocker

Prevent duplicate tabs. Allow only one tab for a url. If you click a link that is already opened in a tab, then existing tab would be focused instead of opening a new tab. This works even across firefox windows.

Rated 3 out of 5 stars (10)
853 users

Tab Numbers

Keeps track of your browser tab number.

Rated 5 out of 5 stars (5)
535 users

Restart Application Button

Restart Application Button lets you restart your Firefox and SeaMonkey application by a quick toolbar button click.

Rated 4 out of 5 stars (3)
537 users

Fragment Titles

Save better history for fragment URLs.

Rated 5 out of 5 stars (3)
49 users