Welcome to Thunderbird Add-ons.

Add extra features and styles to make Thunderbird your own.

Close

On the go?

Check out our Mobile Add-ons site.

Close

Message and News Reading

Subscribe

Close Tab By Double Click Requires Restart

Close active tab by double-clicking it.

Rated 4 out of 5 stars (7)
0 users

Download Now

Close Window on IMAP deletion Requires Restart

Closes the mail window on delete, although 'mark as deleted' is activated for IMAP

Not yet rated
0 users

Download Now

CollectAddresses

Collect all sender/recipient/... addresses and store in an addressbook

Not yet rated
6 users

Download Now

Color Transform

Transform the colors of entire web pages or selected elements. Combine predefined themes with basic transforms. Save transforms for specific web domains.

Rated 4 out of 5 stars (25)
6 users

Download Now

Colored Diffs

Color diffs sent by SVN/CVS/GIT/Mercurial...

Rated 4 out of 5 stars (20)
529 users

Download Now

Colorific

Colorize entire web pages. Configure themes using sliders and drag-and-drop. Set domain preferences for automatic coloration.

Rated 4 out of 5 stars (14)
8 users

Download Now

Column Reader

Web reader for wide screens and long documents. Read with pleasure in attractive layouts.

Rated 5 out of 5 stars (14)
4 users

Download Now

ColumnsWizard Requires Restart

New 78 Compatible Version beta:
https://github.com/micz/ColumnsWizard/issues/95

Adds some magic to the messages list columns!
* Add a custom column
* Set the default columns for any new folder
* Edit custom columns headers

Rated 4 out of 5 stars (23)
138 users

Download Now

Compact Headers

Limits displayed headers to 1 or 2 lines.

Rated 4 out of 5 stars (67)
10,619 users

Download Now

CompactHeader Requires Restart

Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.

Rated 5 out of 5 stars (191)
16,215 users

Download Now

conceptERP eMailexport Requires Restart

Exportiert eMails in das Contentmodul von conceptERP.

Rated 1 out of 5 stars (1)
0 users

Download Now

ConfirmFolderMove Requires Restart

Introduces a preference that allows users to be prompted before moving folders.

Rated 5 out of 5 stars (21)
981 users

Download Now

ConnSets Requires Restart

"Connection/Configuration Settings Selector"...

Rated 5 out of 5 stars (2)
0 users

Download Now

Contact Photos Requires Restart

Displays contact photos in the message header.

Rated 4 out of 5 stars (31)
76 users

Download Now

Copy Folder Requires Restart

The missing Thunderbird "copy folder" feature! Copy folders or entire POP/IMAP accounts recursively to any location while maintaining folder structure.

Rated 2 out of 5 stars (75)
413 users

Download Now

Copy Link Name for Thunderbird Requires Restart

It's like Copy Link Name for Firefox but for Thunderbird!

Rated 4 out of 5 stars (3)
1 user

Download Now

Copy Sent to Current

Allows to place a copy of sent messages (aka FCC) into the currently active folder or any other folder you choose, when you create the message. Usually the copies are placed into the 'Sent' folder. For replies, you may also move the original message.

Rated 4 out of 5 stars (103)
1,701 users

Download Now

CorrectLink Requires Restart

Do you have a trouble that Thunderbird have made a link with non-ASCII characters after URL in text/plain message ?
CorrectLink solve this issue.

Not yet rated
0 users

Download Now

Country Lookup Requires Restart

Looks up the origin country and city of an e-mail message, using the IP address.

Rated 3 out of 5 stars (19)
0 users

Download Now

Dark Plain Text

Use dark mode styling when reading plain text emails with a dark theme.

Rated 5 out of 5 stars (1)
452 users

Download Now