This study examines the implementation of online conversation class to reduce English as a Foreign Language (EFL) students' foreign language anxiety in Rumah Inggris. Conversation class is an approach to teach practical oral language. One of the challenges of mastering oral language for EFL students' is the foreign language anxiety. Foreign language anxiety is the feeling of nervousness and apprehension that is experienced by EFL students. The implementation of online conversation class allows students to have a safe learning environment that can reduce their foreign language anxiety. This study was conducted in Rumah Inggris, an online English course based in Yogyakarta, Indonesia. The sampls of this study were 8 students who were enrolled in online conversation class. Levels of anxiety were investigated through Modified Foreign Language Anxiety (MFLA) adapted from the Foreign Langukage Classroom Anxiety Scale (FLCAS). The quantitative analysis indicated the foreign language anxiety level in online conversation class was considered low within three levels of anxiety by dimensions: communication apprehension (CA), fear of negative evaluation (FNE), and text anxiety (TA).