Top-Rated Extensions

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Disable DragAndDrop (Thunderbird)

A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.

Rated 5 out of 5 stars (9)
1,738 users

Webpage Screenshot in Firefox (♥♥♥♥♥)

FireShot Webpage Screenshots captures pages entirely. Demo: http://bit.ly/RlBQMV

Screenshots can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

Rated 5 out of 5 stars (430)
258,201 users

Cleanest Addon Manager No Restart

Cleanup your Addon Manager

Rated 5 out of 5 stars (123)
24,203 users

SmilieInserter Plus

Insert smilies in messages.

Rated 5 out of 5 stars (17)
3,291 users

Download Status Bar No Restart

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

Rated 5 out of 5 stars (325)
243,557 users

Restartless Restart No Restart

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Rated 5 out of 5 stars (180)
43,142 users

ConfirmFolderMove

Introduces a preference that allows users to be prompted before moving folders.

Rated 5 out of 5 stars (10)
4,407 users

Nostalgy

Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.

Rated 5 out of 5 stars (144)
8,552 users

Archive This

Provides keyboard shortcuts for filing messages into nine configurable "favorite" folders using user-defined keys. Also provides a simple filter system with a keyboard shortcut to file the currently selected message(s) into the correct folder.

Rated 5 out of 5 stars (23)
1,543 users

TBDialOut

Place phone calls directly from Thunderbird's address book

Rated 5 out of 5 stars (8)
1,694 users

Link Properties Plus

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

Rated 5 out of 5 stars (13)
1,605 users

Execute JS

Execute JS is a enhanced JavaScript-Console, where you can comfortably enter and execute arbitrary JavaScript-Code and modify functions...

Rated 5 out of 5 stars (13)
5,420 users

Nagios Checker

The statusbar indicator of the events from the network monitoring system Nagios.

Rated 5 out of 5 stars (58)
15,274 users

Personas Shuffler No Restart

Change your Personas theme on each browser load.

Rated 5 out of 5 stars (12)
6,101 users

AutoCopy 2

Copies selected text to the clipboard automatically.

Rated 5 out of 5 stars (57)
17,832 users

Addons Quick Search

Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
Additionally remember and restore last selected item in each list.

Rated 5 out of 5 stars (9)
723 users

Mail Summaries

Adds a summary of mail accounts and folders to replace the account central pane and the empty folder preview

Rated 5 out of 5 stars (35)
4,642 users

Get Selected Mails

Gets new messages for selected mail accounts.

Rated 5 out of 5 stars (7)
835 users

Open Long Url

Adds an option to your File menu to allow you to open long, multi-line...

Rated 5 out of 5 stars (7)
158 users

Transliterator No Restart

As-you-type phonetic conversion of text from one alphabet to another, as well as transliteration/detransliteration of selected text anywhere within documents. Supports multiple languages and custom transliteration schemes.

Rated 5 out of 5 stars (76)
6,893 users