Interface Customizations

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Stylish Tools Requires Restart

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 (3)
979 users

Link Status Redux Requires Restart

Shows an indicator on the status bar in front of the link address when the mouse cursor is over a link to a page you have bookmarked or visited before.

Rated 5 out of 5 stars (23)
943 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)
914 users

GNOMErunner Options Requires Restart

Allows to customize GNOMErunner theme

Not yet rated
851 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 (14)
818 users

Stylish-Custom Requires Restart

custom additions to Stylish extension

Rated 5 out of 5 stars (6)
793 users

Restart Application Button

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

Rated 5 out of 5 stars (2)
785 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 (26)
717 users

InspectorWidget Requires Restart

Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.

Rated 5 out of 5 stars (10)
682 users

Tab Numbers

Keeps track of your browser tab number.

Rated 5 out of 5 stars (5)
590 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)
587 users

printplus Requires Restart

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

Rated 4 out of 5 stars (5)
524 users

Telegram Web Messenger

Telegram Web Messenger brings Telegram right into your Firefox Sidebar.

Rated 5 out of 5 stars (2)
508 users

HTML5 Loop Requires Restart

Loop HTML5 Video and Music.

Rated 2 out of 5 stars (16)
493 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 (11)
430 users

Sort and Search Customization Dialogs Requires Restart

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

Rated 5 out of 5 stars (16)
427 users

Export All Certificates Requires Restart

Adds an option to export all root certificates.

Rated 2 out of 5 stars (3)
395 users

Big Navigation

enlarging the navigation links on the pages

Rated 5 out of 5 stars (8)
391 users

ToggleDocumentColors_ Requires Restart

Adds a toolbar button and keyboard shortcut to switch between the default page colors and user-defined colors.
Firefox shortcut: Control-Shift-C
SeaMonkey shortcut: Control-K

Rated 5 out of 5 stars (15)
390 users

tab-counter Requires Restart

shows the number of tabs in the status-bar

Rated 4 out of 5 stars (6)
379 users