Add-ons
Privacy and Security
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Mail Merge
Mass Mail and Personal Mail
55,237 users -
Enigmail
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
135,431 users
Most Popular See all »
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This add-on allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.163,469 users -
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.135,431 users -
Adds the ability to create and edit entries in the password manager.68,732 users -
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.54,973 users
Top Rated See all »
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Adds the ability to create and edit entries in the password manager.68,732 users
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Identity Chooser helps you to always use the correct identity when composing a new email.7,696 users -
Adds metadata and sortable tags to the password manager.1,188 users
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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.3,913 users
Recently Added See all »
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Adds the ability to create and edit entries in the password manager.536 users -
Decide whether to allow or block remote content in messages by comparing the names of the folders in which they are located to configured regular expressions.18 users
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WarnAttachment shows an additional dialog to confirm potentially dangerous attachments. Some attachments like executables etc. are completely blocked. This reduces the risk of malware especially for inexperienced users.329 users -
Retrieve DANE S/MIME Certificates for Encryption/Signing.
This extension enables users to automatically retrieve S/MIME certificates using the Great DANE Engine (https://github.com/grierforensics/Great-DANE-Engine).71 users -
This extension adds "Logout" to the folders context menu.
After you "Logout" you will be asked again for passwords for this account (incoming and outgoing).71 users -
Embeds a small secondary, encrypted message in an email, known as a Stego Block.6 users
See all 180 extensions in Privacy and Security »
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