Add extra features and styles to make Thunderbird your own.Close
|User since||March 5, 2007|
|Number of add-ons developed||1 add-on|
|Average rating of developer's add-ons||Rated 4 out of 5 stars|
View HTTP headers of a page and while browsing.
This add-on is not compatible with your version of Thunderbird because of the following:
No add-on reviews yet.