Welcome to Thunderbird Add-ons.
Add extra features and styles to make Thunderbird your own.Close
Privacy and Security
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.
Prevents to save passwords.
Disable about:config feature of Firefox and Thunderbird.
Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).
This extension implements a convenient way to check and upload attachments against VirusTotal.com
Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.
Add-on penyisipan pesan pada gambar menggunakan PIT dan PRNG
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.
Mail Merge Featured
Mass Mail and Personal Mail
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).
The missing Thunderbird "copy folder" feature! Copy folders or entire POP/IMAP accounts recursively to any location while maintaining folder structure.
Identity Chooser helps you to always use the correct identity when composing a new email.
Ever sent mail from the wrong email address because you forgot to select the correct identity in the compose window?
Verifies the DKIM-Signature of an e-mail.
Sets message security (sign/encrypt) when sending or saving messages based on recipients' address book entry's field "Custom1".
Allows to convert large attachments to links automatically without 3rd party providers.
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
Element Hiding Helper for Pan No Restart
Help you create element hiding rules for Pan to fight the text ads.