Welcome to Thunderbird Add-ons.
Add extra features and styles to make Thunderbird your own.Close
|User since||January 30, 2009|
|Number of add-ons developed||43 add-ons|
|Average rating of developer's add-ons||Rated 4 out of 5 stars|
Add-ons I've created
YouTube Flash Video Player No Restart
YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.
YouTube High Definition No Restart
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
Theme Font & Size Changer No Restart
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Facebook Messenger No Restart
Facebook Messenger lets you bring a Facebook Messenger right into your browser to chat with your friends.
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