Up & Coming Extensions

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Signature /Auto Paste /Prefill Fourms

Makes everyday entries to forms & forums simpler!
Add a sig. with just a Rclick of the mouse and select 'Add Sig.' from the context menu.
(Please, note: What you see in the pic is only an example. ThoseRMine Sorry, you have to make your own tabs. )

Rated 4 out of 5 stars (21)
4,330 users

Allow HTML Temp

This Add-on allows to have HTML temporarily allowed in the currently displayed message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (if this is your default mode).

Rated 4 out of 5 stars (56)
11,677 users

Launchy

Launchy will enable you to open links and mailto's with external applications...

Rated 3 out of 5 stars (78)
6,289 users

Open As Webfolder

Open pages and links in Windows WebFolder WebDAV client (similar to "open in Webfolder" checkbox in IE's open...

Rated 3 out of 5 stars (9)
2,610 users

Provider for Microsoft Exchange

The lightning-exchange-provider addon allows you to use Microsoft Exchange calendars in Thunderbird, via Exchange’s web services.

This addon only works with Microsoft Exchange 2007 and above. Exchange 2003 is not supported.

Rated 4 out of 5 stars (55)
7,537 users

WDownloader WGrabber No Restart

WDownloader plugin for Firefox

Rated 5 out of 5 stars (1)
1,086 users

Copy As Plain Text

Removes formatting from copied text.

Rated 4 out of 5 stars (45)
21,296 users

DictionarySearch (Official Version)

Looks up a user selected word in an online...

Rated 4 out of 5 stars (113)
12,233 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)
3,719 users

Image Zoom Featured

Adds zoom and rotation functionality for images...

Rated 4 out of 5 stars (327)
190,308 users

AddressBookTab

It adds a button that can be put in toolbars and that open the addressbook in a new tab

Rated 4 out of 5 stars (64)
14,886 users

Thunderbird Conversations No Restart

This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.

The latest version is compatible with Thunderbird 31+ only (see below for details).

Rated 4 out of 5 stars (381)
78,329 users

FlashGot Mass Downloader

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Rated 5 out of 5 stars (478)
1,100,976 users

Text2Link

Text2Link is a simple and easy-to-use way to copy the text of a link, or to open URLs and send emails to addresses not marked-up as HTML links.

Rated 4 out of 5 stars (40)
2,167 users

rikaichan

Japanese to English/German/French/Russian dictionary. Just hover the mouse on top of a word, and a popup appears. Automatically de-inflects verbs and adjectives. Detailed kanji view...

Rated 5 out of 5 stars (85)
52,030 users

Rikaichan Japanese-German Dictionary File

A dictionary file for Rikaichan.

Rated 5 out of 5 stars (1)
3,832 users

Contact Photos

Displays contact photos in the message header.

Rated 4 out of 5 stars (22)
2,127 users

Leet Key

Transforms typed or static text to L337, ROT13, BASE64, HEX, URL, BIN, DES, AES, Morse code, DVORAK keyboard layout and to lower/to upper case functionality, Leet Font...

Rated 4 out of 5 stars (50)
6,494 users

GlassMyBird No Restart

GlassMyBird enables more AeroGlass effects than the default Thunderbird theme (only possible on Windows Vista and 7 when AeroGlass is enabled). See instructions inside add-on description how to enable Glass on Windows 8.

Rated 5 out of 5 stars (2)
1,111 users

SmoothWheel

Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).

Rated 5 out of 5 stars (242)
50,739 users