Top-Rated Extensions

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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)
238 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)
240 users

A Better S/MIME GUI Requires Restart

Provides a better S/MIME GUI for Thunderbird.

Rated 3 out of 5 stars (2)
5 users

Readonly Attachments Requires Restart

Saves temporary files as read-only when showing attachments.

Rated 3 out of 5 stars (2)
5 users

Free Search & Youtube HD Video Downloader FREE

Youtube Video Search Engine Watch Live And Download free
Mp3 , Wallpaper,Software Search And Download free

Flash Video Downloader helps you download any video (flv, mp4, HD) from YouTube, Facebook, Break, Metacafe and more in one click.

Rated 3 out of 5 stars (2)
1,722 users

Message Level Authentication Requires Restart

Authenticates mail from Message Level Network users, Mail Reputation provided by Sender Score for each message and Anti-Phishing Data from PhishTank. Registration is FREE but not required...

Rated 2 out of 5 stars (13)
34 users

pkrss Requires Restart

pkrss is one rss tools, it embed http://www.pk17s.cn.
contact with google rss feed,join in multi lanauage support,if default panel has no feed,your can search some feed by keyword in topbar.

Rated 2 out of 5 stars (4)
38 users

No Ads!

NO ADS on your favorite Web-sites!
Ваши любимые сайты без рекламы!

Rated 2 out of 5 stars (3)
831 users

CodeHighlight Requires Restart

highlight code in email.

Rated 3 out of 5 stars (1)
72 users

IMAP Draft Unread Requires Restart

This is a Thunderbird addon that lets you customize the behavior of the IMAP draft unread messages. No more new mail notifications for your drafts!!

Rated 3 out of 5 stars (1)
379 users

DivFind

Search in all your search engines at the same time

Rated 3 out of 5 stars (1)
30 users

DHS Facebook Unblock Requires Restart

Plugin to get around the Washtenaw County Facebook block.

Rated 3 out of 5 stars (1)
64 users

StickyCharset Requires Restart

Allows persistent charset changes on individual messages. For use with messages that have erroneous charset header...

Rated 3 out of 5 stars (1)
33 users

WebChanges Requires Restart

Monitor website changes for all websites not providing feeds.

Rated 3 out of 5 stars (1)
24 users

Set Default Columns Requires Restart

Provides ability to set default visibility of columns in the thread pane.

Rated 3 out of 5 stars (2)
65 users

Redmine連携 Requires Restart

コンテキストメニューでRedmineチケットを作成します

Rated 3 out of 5 stars (2)
145 users

Website Blocker Requires Restart

Block websites you don't want the browser to get into.
Block by a whole domain name or a specific address.
Block until further notice or until a certain date.

Rated 2 out of 5 stars (11)
10,294 users

Nokia Synchronization Requires Restart

Synchronize Thunderbird and Nokia phone...

Rated 2 out of 5 stars (43)
324 users

Periodic Memory Usage Dumper

Saves memory usage information periodically (mainly for troubleshooting), for web/addon developers.

Rated 3 out of 5 stars (1)
176 users

Bitmask Thunderbird Extension Requires Restart

This extension includes:

* A wizard for creating Bitmask email accounts on Thunderbird.
* Cache prevention for Bitmask accounts.

Rated 3 out of 5 stars (1)
284 users