The World Wide Web (WWW) has recently become the main source of digital information accessible everywhere and by everyone. Nevertheless, the inherent visual nature of Internet browsers makes the Web inaccessible to the visually impaired. To solve this problem, non-visual browsers have been developed. One of the new problems, however, with those non-visual browsers is that they often transform the visual content of HTML documents into textual information only, that can be restituted by a text-to-speech converter or a Braille device. The loss of spatial layout, and textual attributes such as boldface, italic, underline, color or even size should be avoided since they often bear visually important information. Moreover, typical non-visual Internet browsers do not allow visually impaired and sighted individuals to easily work together using the same environment. These new problems have to be solved with new alternative non-visual display techniques. This paper presents WebSound, a new generic Web sonification tool and its application to a 3D audio augmented Internet browser (Internet Explorer 5.0) developed at the University of Geneva.