Top-Rated Extensions

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Gif Remover

To fastest your browser to surfing internet without extension gif.

Rated 3 out of 5 stars (1)
10 users

Periodic Memory Usage Dumper

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

Rated 3 out of 5 stars (1)
99 users

Bitmask Thunderbird Extension Requires Restart

After installing the extension, do the following:

1. Make sure that Bitmask is running and you are logged in.
2. In Thunderbird, click the main menu, then "Preferences" - "Account Settings".
3. Click "Account Actions" - "New Bitmask Account...".

Rated 3 out of 5 stars (1)
214 users

DivFind

Search in all your search engines at the same time

Rated 3 out of 5 stars (1)
11 users

WebChanges Requires Restart

Monitor website changes for all websites not providing feeds.

Rated 3 out of 5 stars (1)
10 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)
0 users

Signature Fixer Requires Restart

Fixes the Signature Stacking bug for Forwards/Replies.

Rated 2 out of 5 stars (4)
277 users

Lightning Multiweek View Requires Restart

Adds a multiweek view to...

Rated 2 out of 5 stars (4)
0 users

nntpthreads Requires Restart

Nntpthreads lets you add up to four new buttons in the toolbar to easily access the menu item from "View > Threads"...

Rated 2 out of 5 stars (4)
0 users

ThunderBridge Requires Restart

P2P e-mail delivery.

Rated 2 out of 5 stars (3)
21 users

BccInfo Requires Restart

Send any additional information to your BCC recipient.

Rated 2 out of 5 stars (3)
17 users

Wunderlist Task Button Requires Restart

Non-official addon for Wunderlist. Easily transform a mail into a task for Wunderlist with a single click.

Rated 2 out of 5 stars (8)
220 users

Year View Requires Restart

This is an example extension that adds a simple year view to Sunbird/Lightning.

Note that freebusy information is only provided if all calendars are cached. See long description for more info. Also, Calendar 1.0pre with bug 489590 fixed is required.

Rated 2 out of 5 stars (5)
0 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 (16)
8,172 users

Boomerang Requires Restart

Boomerang E-Mail is an Add-on for the Thunderbird E-Mail-Client and is based on the Boomerang e-Mail algorithm (patent pending).

It provides functionality to send a certain e-mail (including attachments) to several recipients one after the other and...

Rated 2 out of 5 stars (6)
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 2 out of 5 stars (2)
42 users

Expertspam Requires Restart

Report spam, false-positives or phishing back to your antispam provider.

Rated 2 out of 5 stars (2)
225 users

Tabbed Mail Preferences Requires Restart

Enhances control over some aspects of tabbed mail browsing.

Rated 2 out of 5 stars (2)
1 user

PassToScript extension Requires Restart

Extension to pass e-mail in eml (raw) format directly to the script specified

Rated 2 out of 5 stars (2)
20 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)
0 users