Add-ons
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Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.38,812 users -
PrintingTools NG enables many layout and formatting options for printing messages with header borders, sorting, attachment lists etc. PDF output can be auto named and Page options can ease printer settings.
It is your printing toolbox.24,950 users -
Zobrazí záložky, pomocí kterých je možné rychle přepínat aktuální období v kalendáři Lightning. Všechny pohledy kalendáře jsou podporovány. Je možné upravit barvu textů záložek.24,650 users -
Checks all installed add-ons for compatibility with Thunderbird ESR (yearly updates) and Thunderbird Release (monthly updates).19,095 users
Top Rated See all »
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Removes the 'Local Folders' entry from the folder pane.
(The folder itself will stay existent.)
(Based on the original work of Alex Cabal.)850 users -
Makes search results sort by "date" instead of "relevance" by default.733 users -
A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.53 users -
Hide title bar if window is maximized.
This add-on has been discontinued!
Legacy extensions support will be dropped in Firefox 57. If you interest in CSD on Linux, please track progress on https://bugzilla.mozilla.org/show_bug.cgi?id=1283299.0 users -
Updated version of David Winter's Close Tab on Escape, ported to be compatible with Thunderbird 68 and later.17 users
Recently Added See all »
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Transform email folders into Hey.com-like RSS-style reading experience. Read your emails like a news feed - scroll through messages in a continuous stream, and they're automatically marked as read as you scroll past them3 users -
Create Trello tasks directly from Thunderbird emails. Select boards, lists, add custom titles and descriptions. Secure credential storage with connection testing. Streamline your email-to-task workflow.4 users
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I missed an acoustic notification when an e-mail was sent and it seems (at least on MacOS) this is no native Thunderbird feature. So I created this quick, little AddOn which allows you to set an MP3 file that will be played if your message was sent.65 users -
DynSign is a Thunderbird extension that dynamically inserts a signature into your emails. It allows you to keep your email signature up to date without having to manually edit it in Thunderbird.
https://github.com/Vozodo/DynSign25 users -
Double Click Test helps users measure double-click speed and test mouse responsiveness. Ideal for gamers, testers, and hardware diagnostics. Practice your accuracy and response time. More tools at https://doubleclicktest.com1 user -
This experimental addon for Thunderbird fetches a remote avatar from various sources if one isn't already set.
By default this addon pulls from libravatar. Custom providers can also be set.12 users
See all 296 extensions in Appearance and Customization »
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