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Adblock Plus No Restart Featured

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (4,914)
19,828,625 users
Updated July 28, 2015

Copy Folder

The missing Thunderbird "copy folder" feature! Copy folders or entire POP/IMAP accounts recursively to any location while maintaining folder structure.

Rated 3 out of 5 stars (31)
9,029 users
Updated July 27, 2015

Mail Merge Featured

Mass Mail and Personal Mail

Rated 5 out of 5 stars (134)
44,251 users
Updated July 19, 2015

Do Not Save Password

Prevents to save passwords.

Not yet rated
22 users
Updated July 17, 2015

Identity Chooser

Identity Chooser helps you to always use the correct identity when composing a new email.

Rated 5 out of 5 stars (91)
8,385 users
Updated July 14, 2015

Correct Identity

Ever sent mail from the wrong email address because you forgot to select the correct identity in the compose window?

Rated 4 out of 5 stars (91)
6,423 users
Updated July 12, 2015

DKIM Verifier

Verifies the DKIM-Signature of an e-mail.

Rated 5 out of 5 stars (9)
2,683 users
Updated July 11, 2015

Security Settings from Address Book

Sets message security (sign/encrypt) when sending or saving messages based on recipients' address book entry's field "Custom1".

Rated 5 out of 5 stars (2)
414 users
Updated July 7, 2015

DL for Thunderbird

Allows to convert large attachments to links automatically without 3rd party providers.

Rated 5 out of 5 stars (3)
1,305 users
Updated July 7, 2015

CryptoData

Easily and quickly to encrypt / decrypt
For users: private messages via e-mail, blogs, social networks, forums, etc.
For webmasters: websites, images, photos, etc.
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (4)
1,131 users
Updated July 7, 2015

Blend In

Blends OS-related values in User-Agent HTTP request header & a number of JS properties, so that Firefox (Thunderbird) appears to sites visited as running on the OS used the most in the world. Thunderbird can also be blended in as Firefox.

Rated 4 out of 5 stars (9)
919 users
Updated July 2, 2015

Element Hiding Helper for Pan No Restart

Help you create element hiding rules for Pan to fight the text ads.

Rated 4 out of 5 stars (3)
485 users
Updated June 30, 2015

Cert Importer

Imports certs automatically.

Not yet rated
275 users
Updated June 12, 2015

Clear IMAP Local Cache

Clears IMAP local cache on startup.

Rated 5 out of 5 stars (1)
318 users
Updated June 11, 2015

Disable Addons

Disable Addons.

Rated 2 out of 5 stars (1)
6 users
Updated June 10, 2015

FoxyProxy Basic

FoxyProxy Basic is a simple on/off proxy switcher. More advanced features and configuration options are offered by FoxyProxy Standard.

Rated 4 out of 5 stars (31)
25,105 users
Updated May 29, 2015

Password Exporter No Restart

This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Rated 4 out of 5 stars (316)
176,185 users
Updated May 20, 2015

B-Trust Smart Card Certificate

Configures B-Trust security device, imports B-Trust certification chains and warns user that operation is unrecoverable, if he clicks delete certificate option for B-Trust certificate.
Designed by Borica - Bankservice Plc.

Rated 5 out of 5 stars (1)
9,876 users
Updated May 17, 2015

KeePass Helper

Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.

Rated 4 out of 5 stars (34)
3,999 users
Updated May 4, 2015

Saved Password Editor

Adds the ability to create and edit entries in the password manager.

Rated 5 out of 5 stars (204)
88,917 users
Updated April 30, 2015