Up & Coming Extensions

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AboutConfig Requires Restart

about:config for...

Rated 3 out of 5 stars (13)
885 users

Quitomzilla Requires Restart

Quitomzilla helps you quit smoking while you surf the web or wait for new emails, showing the cigarettes, money and time you have saved since you quit...

Rated 5 out of 5 stars (18)
370 users

Text size toolbar Requires Restart

Adds text size buttons to the toolbar. This has now been superseded by the Zoom toolbar https://addons.mozilla.org/en-US/firefox/addon/6118

Rated 4 out of 5 stars (21)
465 users

Bork Bork Bork! Requires Restart

The Swedish Chef travesty filter and URL blocker. View web pages or mail as spoken by the Swedish Chef like this...

"Zee Svedeesh Cheff trefesty feelter und URL blucker. Feeoo veb peges oor meeel es spukee by zee Svedeesh Cheff leeke-a thees."

Rated 4 out of 5 stars (30)
114 users

PONG! Multiplayer Requires Restart

Play a game of PONG! while you are waiting.

Rated 5 out of 5 stars (7)
50 users

Russ Key Requires Restart

Allows typing in phonetic Russian and transforming Russian translit into Cyrillic...

Rated 4 out of 5 stars (32)
981 users

Display mailing list header Requires Restart

This extension implements RFC 2369 for Thunderbird: Special mailing list header fields in the mail are parsed, and the links are displayed in the extended header view. You can click them to simply go to the archive, request help or unsubscribe.

Rated 3 out of 5 stars (6)
366 users

MessageID-Finder Requires Restart

MessageID-Finder is a addon for the Mozilla mail/news-client and Thunderbird which helps you to find the message to a certain...

Rated 4 out of 5 stars (10)
171 users

traduku Requires Restart

Translate text from English and other languages into Esperanto.

Traduku tekston de la angla kaj aliaj lingvoj al Esperanto.

Rated 5 out of 5 stars (1)
228 users

Preferential (New GUID) Requires Restart

Advanced preferences manager for Mozilla-based...

Rated 3 out of 5 stars (5)
102 users

Tb AutoSave Extension Requires Restart

You can now autosave messages from TB upon...

Rated 3 out of 5 stars (3)
75 users

Edit HTML Source Requires Restart

You can now edit the HTML source in the Compose...

Rated 3 out of 5 stars (15)
59 users

Fix Tb Titlebar Extension Requires Restart

You can now modify the Titlebar of TB's main...

Rated 3 out of 5 stars (5)
35 users

Move Search Items Requires Restart

Move the message search items to the...

Not yet rated
22 users

Message Notes Requires Restart

Add Notes to messages. Notes are stored in a plaintext file, typically in your profile. The plaintext notes file can be stored elsewhere to enable sharing of notes across a...

Rated 3 out of 5 stars (10)
61 users

TB Reset Quote Header Extension Requires Restart

You can now modify the look of the quote header on replies. Quote header templates are included in the xpi ( open the xpi with a archive program like winzip and extract the two txt files) Then, in the extension's options page, type the word...

Rated 4 out of 5 stars (22)
240 users

SendTools Requires Restart

Add SendAt option to the compose window to allow sending a message on a particular date and...

Rated 3 out of 5 stars (25)
121 users

TB Change From and Fcc on Compose Extension Requires Restart

You can now temporarily change the from and fcc on...

Rated 3 out of 5 stars (12)
28 users

UMTools Requires Restart

Add new options to TB's Unsent Messages behavior.. ...

Rated 3 out of 5 stars (3)
2 users

Smilie Inserter Requires Restart

Insert smilies in messages...

Rated 4 out of 5 stars (42)
581 users