Rated 3 out of 5 stars

does not work with 19.0 FF as of yet...

This review is for a previous version of the add-on (1.9.1-signed). 

Try new version
https://addons.mozilla.org/ru/firefox/addon/no-caption/versions/2.0

Rated 5 out of 5 stars

Absolute perfection; one of the most useful features in terms of graphics display & screen real estate. Thank you so much for allowing me to get rid of the ugly tool bar in gnome (fedora-linux)--otherwise it would've been a much bigger hassle for me, and a continuous eye-sore.

This review is for a previous version of the add-on (1.6.1-signed).