The use of information technologies in the teaching of RFL is one of the main forms of organizing the educational process. The sphere of their application has significantly expanded during the period of widespread transi- tion to online learning. At the same time, a rather drastic transition to mainly online learning has affected to some extent the quality of the educational process. Thus, there is a need to find additional tools to compensate for the lack of direct communication between a teacher and a student. Browser-based extensions may be one such tool.