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Cleanest Addon Manager No Restart

Cleanup your Addon Manager

Rated 5 out of 5 stars (120)
27,918 users

Link Properties Plus

Provides extended link properties: size of linked file, last modified time, etc.

Rated 5 out of 5 stars (13)
1,874 users

AutoCopy 2

Copies selected text to the clipboard automatically.

Rated 5 out of 5 stars (56)
18,562 users

Subject Manager

Manages subject of composed emails.

Rated 5 out of 5 stars (11)
2,366 users

UnMHT No Restart

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 5 out of 5 stars (197)
95,394 users

DOM Inspector

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Rated 5 out of 5 stars (59)
154,683 users

Update Notifier

Note from Mozilla: This add-on has been discontinued. Try Add-on Update Checker instead.

Notifies you when updates are available for your extensions and themes.

Rated 5 out of 5 stars (180)
16,965 users

More Tools Menu

Unclutter the "Tools" menu by moving new items to a "More Tools" menu.

Rated 5 out of 5 stars (35)
9,230 users

Personas Rotator

Personas Rotator is a new companion for Personas Firefox add-on to change over 65000+ skins periodically on Firefox. What Will Your Browser Wear Now?

Rated 5 out of 5 stars (77)
13,429 users

中止ボタンがしいたけに見えて困る

Huh, you said the stop button looks like shiitake? No way, you must be tired.

Rated 5 out of 5 stars (21)
1,273 users

Address Close Button

Adds a Address Close Button to mail compose window.

Rated 5 out of 5 stars (25)
10,717 users

Persona Switcher

Quickly switch between your personas or reset it back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox, Thunderbird, and Seamonkey.

Rated 5 out of 5 stars (40)
2,084 users

Folder Filters Button

Just a very simple add-on that adds a toolbar button to execute the "Run Filters on Folders" from Tools menu.

Rated 5 out of 5 stars (14)
3,888 users

Addons Recent Updates

Show more addons recent updates

Rated 5 out of 5 stars (8)
2,016 users

GlodaQuilla search indexing enhancements

Permits selective enabling and disabling of search indexing on folders or accounts - with inheritence. Also adds three columns to the Thunderbird message pane that are useful in debugging.

Rated 5 out of 5 stars (6)
1,010 users

Quicktext

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Rated 5 out of 5 stars (248)
84,130 users

IranZilla

IranZilla provides the following services in Thunderbird:

* Adds a column in the mail view for displaying Iranian dates for each email.
* Supports both English and Persian Iranian month names.
* Adds a context menu item for copying the Iranian dates...

Rated 5 out of 5 stars (17)
231 users

MinimizeToTray revived

Minimizes windows into the system tray.

Rated 5 out of 5 stars (287)
278,862 users

Dafizilla Table2Clipboard

Mozilla applications allow to select rows and columns from a table simply pressing Control key and picking rows/columns with left mouse button.
The selection can be copied to clipboard but the original table disposition is lost making ugly results wh...

Rated 5 out of 5 stars (63)
22,534 users

ProfileSwitcher

It adds some options to launch easily other profiles and the Profile Manager.

Rated 5 out of 5 stars (54)
36,970 users