Add-ons
Most Popular See all »
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Allows bidirectional access to Google Calendar180,370 users -
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.121,980 users -
Uploads your large attachments to your WebDAV account instead of sending them by email.42,760 users -
Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.15,696 users -
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.13,355 users -
Displays the mail program with which the selected mail was written
*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.11,128 users
Top Rated See all »
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Permits selective enabling and disabling of search indexing on folders or accounts - with inheritence. Also adds three columns to the Thunderbird message pane that are useful in debugging.11 users
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If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.71 users
Recently Added See all »
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An extension for Thunderbird that allows you to access SimpleLogin.3 users -
An extension for Thunderbird that allows you to access Have I Been Pwned.1 user -
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Checks account settings against those listed in the Thunderbird autoconfig database and offers to fix settings that don't match. This is the same check performed when setting up an account.10 users
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Quick Access to Notion in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.61 users -
Unofficial DeepL Write extension for Thunderbird.48 users
See all 462 extensions in Miscellaneous »
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