Extensions by Name

Subscribe

Update Notifier Requires Restart

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 (162)
0 users

update-test

DO NOT install, this is for testing the update mechanism.

If you are interested in the functionality, use quicker quicksearch instead

Rated 3 out of 5 stars (1)
2 users

UrgentMail

Raise X11 urgent flag if new mail is received.

This addon listens for incoming mails and causes the Thunderbird window to draw attention.

Rated 5 out of 5 stars (3)
246 users

URL Link

URL Link is a small Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.

Rated 4 out of 5 stars (6)
2,062 users

URLFilter

Block advertisement and access to adult sites

Rated 4 out of 5 stars (23)
22 users

Use Bcc Instead Requires Restart

Sorry but this addon is no longer supported in TB 60. See below.
Who among us has not made the mistake of sending a 'broadcast' email to a large number of recipients without using BCC; thereby revealing everyone's email addresses to all?

Rated 5 out of 5 stars (31)
57 users

Use BCC Instead C Requires Restart

This addon prevents you accidentally sending an email to a large number of recipients without hiding their addresses from each other by using BCC. It is for TBv68.

IT WILL NOT BE UPDATED FOR TBv78.
Try my addon 'Limit non-BCC recipients'

Rated 3 out of 5 stars (5)
234 users

userChromeJS

Load the contents of chrome/userChrome.js from the user's profile directory every time a window is opened. Also add a toolbar button which reloads userChrome.js in the current window.

Rated 5 out of 5 stars (8)
307 users

UUID - WES

WES Solucoes Tecnologicas Ltda

Not yet rated
6 users

UxU - UnitTest.XUL Requires Restart

This is a testing tool for addon developers.

Rated 3 out of 5 stars (5)
1 user

vault56 protection

vault56 protection protects against potentially malicious attached files and links. Links are rewritten to pass through vault56 URL protection servers and checked for trackers and malicious activity.

Rated 5 out of 5 stars (2)
46 users

Version in Add-on bar Requires Restart

Show the Firefox/Thunderbird version number in the addon bar (formerly called status bar).

Rated 5 out of 5 stars (10)
6 users

Version Number in Add-ons Manager

[Restartless] [e10s Compatible]
Easily viewable version info in the Add-ons Manager on Firefox/Thunderbird 41.0 - 56.*
Also restores the add-on version number on Firefox/Thunderbird 41.0 - 56.*.

Rated 4 out of 5 stars (4)
12 users

Viadeo Tab Requires Restart

Cette extension ajoute le réseau social français, Viadeo, un bouton d'accès à ouverture simple et rapide dans Thunderbird.
D'autres médias sociaux sont disponibles également.

Rated 5 out of 5 stars (1)
0 users

View Headers Toggle Button Requires Restart

This extension adds a toolbar button that allows the easy toggling of viewing all message headers.

Rated 3 out of 5 stars (29)
0 users

View Your Certificates Email Address

Adds a column for displaying the certificates Email address to the "Your Certificates" tab of the Certificate Manager

Rated 5 out of 5 stars (5)
5 users

ViewAbout Requires Restart

Enables access to various about: dialogs from the View menu.

Rated 4 out of 5 stars (18)
37 users

Viral Threat Level Requires Restart

Adds an image to the status bar indicating the current threat level of the internet. It allows quick access to security information that you can use to help protect yourself, and links to antivirus software comparisons and security extensions.

Rated 4 out of 5 stars (22)
0 users

VKeyBoard Requires Restart

Virtual keyboard for firefox and the Kiosk Browser. Adds a keyboard to the bottom of the window. Great for use with touchscreens or in a kiosk environment

Rated 4 out of 5 stars (9)
144 users

vnotereader Requires Restart

Extension to view vNotes in a more readable format

Rated 5 out of 5 stars (4)
0 users