Top-Rated Extensions

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mozCleaner

Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.

Rated 3 out of 5 stars (5)
1,440 users

Spamato4Thunderbird Requires Restart

A multi-faceted, collaborative approach against spam.

Rated 2 out of 5 stars (31)
0 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)
38 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)
747 users

Email Addresses in Message Headers Requires Restart

Shows email addresses in message headers, including those of contacts, and provides control over message header presentation.

Rated 3 out of 5 stars (2)
268 users

Large Fonts Requires Restart

This add-on enables you to change the font size of the plain text editor of Thunderbird.

Rated 3 out of 5 stars (2)
516 users

AddressLabel Requires Restart

Create address labels from selected contacts in pdf, odt, ps or html.

Usage
1) Chose settings.
2) In the Address Book, select contacts and right click.
3) Print with "Actual Size" (not "Fit to Page").

Rated 3 out of 5 stars (2)
229 users

X-Unsent support Requires Restart

Adds support for the X-Unsent header.

Rated 3 out of 5 stars (2)
145 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)
42 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)
301 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)
764 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)
203 users

RSS Dashboard Requires Restart

This addons gives you a dashboard-style view of your RSS feeds, like iGoogle or Netvibes (widget view). This is an experiment, so it is still very rough. Right now, consider this as a proof-of-concept rather than a real addon.

Rated 3 out of 5 stars (3)
80 users

DOM Inspector Requires Restart

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

Rated 2 out of 5 stars (5)
8 users

Email signature for Thunderbird - WiseStamp Requires Restart

Switch Thunderbird email signatures. Supports Gmail, Yahoo, AOL & Outlook webmails. Youtube, Facebook, Twitter icons & more

Rated 2 out of 5 stars (5)
3,259 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)
2 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)
85 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)
0 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)
0 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)
0 users