Yahoo invisible detector. Invizibil.net - Version 1.1 Yahoo Invisible Detector by Invizibil.net is a programthat allows users to see who is invisible on YahooMessenger. It is easy to use, simply enter the ID toverify and the application will tell you if that personis online, offline or INVISIBLE. Yahoo status detectoris working on all Windows platforms. The use of thisprogram is FREE and it can be redistributed in anypossible ways.