Interface Customizations

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FolderFlags

Allows users to edit the flags Thunderbird sets on folders.

Rated 5 out of 5 stars (8)
4,536 users

Re-Pagination No Restart

See more search results etc. on one page, concatenating several pages together...

Rated 5 out of 5 stars (42)
4,251 users

Linkification

Converts text links into genuine, clickable links...

Rated 4 out of 5 stars (305)
34,185 users

Sea Fox

Transform SeaMonkey into Firefox 3.x

Rated 5 out of 5 stars (5)
471 users

Password Tags

Adds metadata and sortable tags to the password manager.

Rated 5 out of 5 stars (5)
2,969 users

Simple Locale Switcher

An easier management of the user interface language

Rated 5 out of 5 stars (6)
11,366 users

Lightweight Themes Manager No Restart

Manage your installed personas (lightweight themes).

Rated 5 out of 5 stars (6)
16,327 users

ImageTweak: zoom/rotate images and videos!

A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.

Rated 4 out of 5 stars (93)
7,453 users

Black background and white text No Restart

Makes black background and white text on every page

Rated 5 out of 5 stars (16)
4,393 users

Stylish

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (733)
765,175 users

Single Key Tab Switch

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)
1,256 users

Compact Menu 2

Add a compact menu button to the navigation toolbar, and hide the menu bar.

Rated 4 out of 5 stars (347)
9,483 users

Browser View

Open links, pages, and bookmarks in any other browser, using right-click context menus or with one click of the drop-down or standalone toolbar buttons. Modify any menu, browser name or location. Incognito/private browsing mode is also supported.

Rated 4 out of 5 stars (40)
1,842 users

Big Navigation No Restart

Increases the navigation links on the pages

Rated 5 out of 5 stars (4)
929 users

Scriptish

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

Rated 4 out of 5 stars (109)
78,780 users

Edit Bookmark Plus

Resize 'Add Bookmark' Popup / 'Edit This Bookmark' Popup, fixes tree selection bug, option to disable popup auto close & Update Url and/or Name of a bookmark with the Url/Title of current page.

Replacement of OpenBook addon

Rated 4 out of 5 stars (58)
4,042 users

InspectorWidget

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

Rated 5 out of 5 stars (6)
1,376 users

KeePass Helper

Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.

Rated 4 out of 5 stars (33)
4,182 users

Zorcher

Selecting a small text on the page do not need to copy it into the search bar of your browser or search engine. Just press the right mouse button and select the search service from the available list.

Rated 5 out of 5 stars (10)
334 users

Display Mail User Agent

Displays icon for user agent of received mails.

Rated 4 out of 5 stars (102)
38,570 users