Digital technologies greatly contribute to high-quality teacher training and the effective formation of future educators' competencies. The article aims at theoretical justification and experimental testing of the effectiveness of the formation of future foreign language teachers' linguistic and methodological competency using digital technologies. The objectives were achieved by applying a set of theoretical, empirical, and statistical methods. The experiment involved 196 students of Kharkiv Humanitarian Pedagogical Academy and H. S. Skovoroda Kharkiv National Pedagogical University. It was determined that linguistic and methodological competency included motivational-value, content-activity, and reflexive components, the effective formation of which requires application of digital tools and contributes to the intensification of communication, provides development of interactive teaching aids, delivering virtual classes.