Privacy and Security
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).
Adds the ability to create and edit entries in the password manager.
Identity Chooser helps you to always use the correct identity when composing a new email.
Pan No Restart
Block ads and manage proxy.
Adblock Edge No Restart
Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.
**This addon has been discontinued**
Mail Merge Featured
Mass Mail and Personal Mail
Bluhell Firewall No Restart
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
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 SSO change (multi-domain pw) and Backup + Restore.
Adds metadata and sortable tags to the password manager.
Silent Block No Restart
Minimum and fast URL blocker.
Sets message security option "encrypt message", if valid X509 certificates are found for all recipients.
Customizations for Adblock Plus No Restart
This extension provides various customization options for the Adblock Plus user interface.
Adds S/MIME Security configuration to the multiple identities dialog.
Meanwhile this feater has been integrated into Thunderbird 3
Turn the web on its head with the Plain Old Webserver (POW), which adds a server to your browser.
Native AdBlocker No Restart
한국 웹의 광고를 효율적으로 차단합니다.
This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.
Confirm E-mail address before sending mail
Button in the toolbar/status bar to change referer value.
No Resource URI Leak No Restart
Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246