Most Popular Extensions

Subscribe

Copy Reminder List To Clipboard

Provides button to copy the list of current reminders to the clipboard.

Not yet rated
54 users

gTimer Requires Restart

gTimer предназначен для подсчёта времени, проводимого за работой в Firefox.

Rated 4 out of 5 stars (4)
54 users

After Unsent Mail Is Sent Requires Restart

Run a program of your choice after unsent mail has been sent.

Rated 5 out of 5 stars (1)
54 users

Random Theme Switcher Requires Restart

This extension switches your themes at random.

Rated 4 out of 5 stars (7)
54 users

Nightly Tester Tools Lite Requires Restart

This is a cut down version of Nightly Tester Tools by Mossop, which is 77.6 KB. I've only included the "copy build id" and "build id in titlebar"...

Rated 2 out of 5 stars (8)
54 users

Seturgent Requires Restart

Sets the urgent flag (X11) of the Thunderbird window under Linux in case of new messages. Does ignore special folders like Drafts, Junk and such.

Rated 5 out of 5 stars (2)
53 users

Resubmit Requires Restart

(Re)submit multiple messages to a predefined recipient(s)

Not yet rated
52 users

Limit_Offline_Message_Size Button Requires Restart

Limit the size of a message to download with a single click of the button for slow (and/or expensive) network connection.
Quick access to Tools->Account Settings->Disc Space->"To save disk space, do not download: Messages larger than XXkB"

Rated 5 out of 5 stars (1)
52 users

SendToSecondEmail Requires Restart

This Extension lets you send Mails to both, first and second email address...

Rated 4 out of 5 stars (2)
51 users

Last Message Requires Restart

Navigate the folder to the last message in the moment the folder is opened.

Rated 4 out of 5 stars (8)
51 users

PasteIP Requires Restart

Easy pasting of your IP address or User-Agent in a textbox. Comes in handy when posting on forums, etc.

Rated 4 out of 5 stars (2)
51 users

EuropeanMX Spam Reporter Requires Restart

Train your EuropeanMX filter by reporting unrecognized spam or false-positives back to us.

Not yet rated
50 users

Lowercase Email Addresses in Message Headers Requires Restart

Shows lowercase email addresses in message headers and their tooltips.

Rated 1 out of 5 stars (1)
50 users

Mail Sent Notifier Requires Restart

Allows to notify a HTTP-GET based webservice after successfully sent an email, e.g. for time registration systems.

Not yet rated
50 users

nowebsearch Requires Restart

Removes web search feature

Rated 5 out of 5 stars (3)
49 users

Workspace for Thunderbird Requires Restart

A simple editor for executing snippets of JS. In Thunderbird.

Not yet rated
49 users

AWN Unread Count Requires Restart

Displays the number of unread messages in the Thunderbird AWN dock icon.

Not yet rated
49 users

Bugzilla Helper Requires Restart

Quickly reply to your bugmail on bugzilla.mozilla.org without leaving Thunderbird.

Rated 4 out of 5 stars (4)
49 users

Mutt Keys Requires Restart

Creates Mutt like key bindings for Thunderbird. Inspired by the mouseless extension.

Rated 4 out of 5 stars (1)
49 users

Run Filters on Folder button Requires Restart

A 'Run Filters on Folder' toolbar button. Based on http://developer.mozilla.org/en/docs/Custom_Toolbar_But...

Rated 4 out of 5 stars (4)
49 users