Add-ons
Most Popular Extensions
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Torrent Tornado
Requires Restart
A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!
Restart Application Button
Restart Application Button lets you restart your Firefox and SeaMonkey application by a quick toolbar button click.
Yoolki Arabic Keyboard
Requires Restart
Write arabic text "bil 3arabi" on any web page without the need for an Arabic Keyboard.
Google Privacy
Requires Restart
Make some popular websites respect your privacy settings.
Please see the known issues below!
DownThemAll! AntiContainer
Requires Restart
Make the resources behind container pages easily downloadable by DownThemAll!
Save Images
Requires Restart
Save Images saves the images from the current tab page, from the cache, to a specified location, with either the images original file name or a file name that you specify.
Dictionary Switcher
Requires Restart
Toggles dictionaries automatically or manually and displays the currently selected one
Lightning Nightly Updater (Unofficial)
Requires Restart
Quickly get to the latest nightly build of Lightning relevant to the version of Thunderbird and the OS you're on.
New Mail Attention
Requires Restart
This addon calls attention to main window on new message arrival.
NewsFox
Requires Restart
Featured
NewsFox is an efficient 3-pane(email) style Atom/RSS feed reader.
Mnenhy
Requires Restart
The primary goal of the Mnenhy project is to make some enhancements to SeaMonkey MailNews/Thunderbird, since there're still plenty of comfort functions missing if compared to Netscape 4.x and other mail and news clients.
CookieKeeper
Sea Fox
Duplicate This Tab
Requires Restart
This add-on provides the much needed feature update of Tab Duplication to Mozilla Browsers. Features Supported include Duplication of Browser Tabs, Detaching Tabs and Merging All Windows.
Add-ons Manager Context Menu
Requires Restart
Add more items to Add-ons Manager context menu.
No Small Text
Set a minimum text size for all web content. Use the toolbar button to switch it on and off. NEW: Three preset sizes. NEW: Use mouse scroll on the toolbar button.
Custom Buttons
Zindus
Requires Restart
Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)
Spanish (Spain) ChatZilla
Proxy Privacy RulerTo create your own collections, you must have a Mozilla Add-ons account.
