SterJo YouTube Ad Blocker - Version 1.0 SterJo YoutTube Ad Blocker is very efficient tool for blocking annoying advertisements while playing youtube videos.This free ad blocker is compatible with any browser like Chrome, Mozilla, IE and etc. If you have ever wondered how to block youtube ads then you can't find more simpler way. Youtube ads will no longer be your problem and you can totally enjoy videos on youtube without ads with a simple mouse click only.