Privacy and Security

Subscribe

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 (36)
505 weekly downloads

TorBirdy

This extension configures Thunderbird to make connections over the Tor anonymity network.

Rated 5 out of 5 stars (6)
466 weekly downloads

Signal Spam

Cette extension va ajouter dans Mozilla Thunderbird une fonction de signalement qui vous permettra de transmettre d’un seul clic les messages que vous considérez comme spam à Signal Spam, le réseau de confiance pour agir contre le spam.

Rated 3 out of 5 stars (20)
433 weekly downloads

Check and Send

Check the message contents and addresses before you send the message...

Rated 4 out of 5 stars (25)
410 weekly downloads

MM3 Proxy Switch

In the Firefox Browser (and other Mozilla programs) you can per default configure only the setting for one internet connection. With this Proxy Switch you can manage different configurations and simply switch over between these.

Rated 4 out of 5 stars (38)
408 weekly downloads

Certificate Patrol

Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change.

Rated 4 out of 5 stars (74)
405 weekly downloads

GuifiProxy

Simple proxy manager
- Change proxy with two clicks
- Import and export proxies lists
- Manually add, delete and edit proxies
- Automatic authentication on proxies (bypass popup with login and password)
- Proxysel replacement

Rated 4 out of 5 stars (24)
311 weekly downloads

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)
262 weekly downloads

TrayHotKey

为Fx5.0 及以上版本提供系统热键(老板键)功能

Rated 5 out of 5 stars (50)
252 weekly downloads

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)
251 weekly downloads

InfoNotary Configurator for Mozilla

Configures Mozilla for work with certificates issued by InfoNotary Plc.

Rated 5 out of 5 stars (2)
246 weekly downloads

Auto Address Cleaner

Removes comment, display name automatically from addresses before sending mail.

Rated 5 out of 5 stars (45)
221 weekly downloads

CryptoData

Easily and quickly to encrypt / decrypt:
Private messages via e-mail, blogs, social networks, forums, websites, images, etc
Support: Firefox, Thunderbird and SeaMonkey

New feature: CryptoPad (crypto-notepad)

Rated 5 out of 5 stars (6)
202 weekly downloads

MEGAbird

Add MEGA support to Thunderbird's Filelink feature.

Not yet rated
179 weekly downloads

QuickPasswords

Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.

Now also includes single sign on change!

Rated 5 out of 5 stars (47)
176 weekly downloads

Change Referer Button

Button in the toolbar/status bar to change referer value.

Rated 5 out of 5 stars (20)
164 weekly downloads

Identity Chooser

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

Rated 5 out of 5 stars (95)
162 weekly downloads

Allow HTML Temp

This Add-on allows to have HTML temporarily allowed in the currently displayed message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (if this is your default mode).

Rated 4 out of 5 stars (58)
158 weekly downloads

Blend In

Blends in 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 being used the most in the world. Thunderbird can also be blended in as Firefox.

Rated 4 out of 5 stars (10)
143 weekly downloads

WebPG for Mozilla

An extension which provides GnuPG/GPG/PGP related functions to Moizilla Firefox, Thunderbird and Seamonkey

Rated 3 out of 5 stars (21)
127 weekly downloads