|User since||March 19, 2012|
|Number of add-ons developed||0 add-ons|
|Average rating of developer's add-ons||Not yet rated|
HELP not work in Firefox 55.0.3 Rated 5 out of 5 stars
It does not work in Firefox 55.0.3
I used it on previous versions, I worked well, I was very pleased.
The author, if he can sing something, will be happy.