Top-Rated Extensions

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Dooth Requires Restart

Dooth passphrase decryption

Rated 4 out of 5 stars (1)
1 user

English - English Dictionary Requires Restart

Important!!! If you can't see the "Abc" icon , please click View --> Toolbars --> Bookmarks Toolbar.

This is an English dictionary for looking up words in English.

Select a word using your mouse and find its meaning in English!

Rated 2 out of 5 stars (9)
4,338 users

Spamato4Thunderbird Requires Restart

A multi-faceted, collaborative approach against spam.

Rated 2 out of 5 stars (31)
323 users

Mark Read On Reply Requires Restart

A simple extension to mark messages read after you click a reply menu or button (or Ctrl+R)

Rated 3 out of 5 stars (3)
55 users

Consigna para Filelink Requires Restart

Plugin para subir ficheros a Consigna (Junta de Andalucía) de forma automática desde Thunderbird.
Está ideado para el intercambio de ficheros de gran tamaño. Es un espacio de almacenamiento temporal y con algunas restricciones de acceso opcionales.

Rated 3 out of 5 stars (2)
365 users

X-Unsent support Requires Restart

Adds support for the X-Unsent header.

Rated 3 out of 5 stars (2)
89 users

MuteThread Requires Restart

For a long time, Thunderbird has supported ignoring threads in newsgroups. This is a prototype that explores bringing that functionality to email.

Rated 3 out of 5 stars (4)
84 users

LDAP - View Groups Members Requires Restart

Allow the user to view the members of the LDAP directories in the addressbook

Rated 3 out of 5 stars (4)
441 users

Export for Thunderbird & Lightning Launcher Requires Restart

Export for Thunderbird & Lightning is the worldwide unique printing and exporting solution for Mozilla Thunderbird and Lightning for Windows.
Multi lingual user interface: English, German, French and Spanish

Rated 2 out of 5 stars (9)
1,073 users

Follow Reply Requires Restart

Find the replying or the following mail you wrote by clicking the arrow icon in the subject column of the thread panel

Rated 2 out of 5 stars (10)
321 users

DOM Inspector Requires Restart

Inspect the DOM of HTML, XUL, and XML pages, including the mail...

Rated 2 out of 5 stars (5)
127 users

CallingID Link Advisor Requires Restart

CallingID Link Advisor verifies the links you see in Firefox and Thunderbird are safe before you follow them. When the mouse is placed over any link a risk assessment and the full details of the site owner are displayed, helping you evaluate the...

Rated 2 out of 5 stars (10)
271 users

Telephone Message Requires Restart

Quickly and easy way to inform someone of a missed call. This addon allows you to email the person your passing the message onto, collecting their email address from your address book, with a collection of ready made messages.

Rated 2 out of 5 stars (10)
147 users

SMS Sidebar Requires Restart

If you work in front of a computer and send a lot of SMS text messages this is for you. Finally you can send SMS from the privacy of your Mozilla application. The focus of this addon is on efficiency, ease of use and easy access to advanced SMS featu...

Rated 2 out of 5 stars (17)
49 users

Tv program Requires Restart

It shows popular stations TV program in listings, alerts and bubble infos. It's only for Czech and Slovak TV stations.
Localization: sk, cs, hu, en

Rated 2 out of 5 stars (9)
59 users

Get An Account Requires Restart

Get An Account is a Mozilla Messaging addon that will allow you to create a secure, private account at a major email provider.

Rated 2 out of 5 stars (5)
25 users

Report Spam Requires Restart

Report spam is a Thunderbird plugging to report antispam errors. A new button is added to header tool bar in order to signal a message as a false positive (a ham that is tagged as spam) or a false negative (a spam not tagged as spam).

Rated 2 out of 5 stars (7)
1,341 users

Log Helper Requires Restart

This is a basic utility to manage logging from within the application, for help with debugging.

Rated 3 out of 5 stars (2)
210 users

CrowdMailer Requires Restart

Find email addresses in unformated text and create a mail with them. Use it to easily create mails with many recipients and/or to extract addresses out of formats like: "Sherlock Holmes (s.holmes@hotmail.com)"

Rated 3 out of 5 stars (2)
217 users

A Better S/MIME GUI Requires Restart

Provides a better S/MIME GUI for Thunderbird.

Rated 3 out of 5 stars (2)
4 users