Featured Extensions


Adblock Plus No Restart Uppmärksammat

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 (4 301)
19 097 317 users

Signature Switch Uppmärksammat

Switch the signature on/off or choose a new one from your predefined set...

Rated 4 out of 5 stars (143)
97 375 users

Lightning Uppmärksammat

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Rated 3 out of 5 stars (1 633)
1 219 489 users

Extra Folder Columns Uppmärksammat

This extension is for those TB3 users who want the multiple-columns view that TB2 allowed

Rated 4 out of 5 stars (168)
219 035 users

Mail Redirect Uppmärksammat

Låter dig omdirigera (även kallat "studsa") e-postmeddelanden till andra mottagare.

Rated 4 out of 5 stars (106)
30 743 users

CompactHeader Uppmärksammat

Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. Linkify RSS subject. Optionally darkens header if message has focus.

Rated 5 out of 5 stars (147)
185 856 users

Zindus Uppmärksammat

Synkroniserar Google- och Zimbra-kontakter med Thunderbird.

Rated 4 out of 5 stars (196)
53 930 users

Enigmail Uppmärksammat

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Rated 4 out of 5 stars (159)
157 905 users

Contacts Sidebar Uppmärksammat

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.

Rated 4 out of 5 stars (223)
45 526 users

Mail Merge Uppmärksammat

Mass Mail and Personal Mail

Rated 5 out of 5 stars (114)
44 916 users

ThunderBrowse Uppmärksammat

Did your friend send you a cool link? Want to read the rest of that interesting article? Don't want to open up your web browser just to view it? You don't have to! Just view it in Thunderbird with ThunderBrowse!

Rated 3 out of 5 stars (128)
35 355 users

Image Zoom Uppmärksammat

Adds zoom and rotation functionality for images...

Rated 4 out of 5 stars (310)
209 471 users

LookOut Uppmärksammat

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).

Rated 4 out of 5 stars (134)
189 754 users