This study examines how social media promotes religious tolerance. Religious tolerance and interfaith harmony in Pakistani social media were examined. Education and social media affect religious tolerance, according to research. In a quantitative study, 417 religiously diverse respondents completed a structured questionnaire. We used descriptive statistics, SEM, and moderation analysis to study social media use, religious tolerance, and interfaith harmony. SEM analysis showed a strong positive correlation between social media use and religious tolerance and interfaith harmony. Tolerance fosters interfaith harmony. Education moderated religious tolerance and social media use. With high education, respondents had the strongest relationship, while low education had a weaker but not statistically significant relationship. Social media promotes religious tolerance and interfaith harmony, especially among educated people, this study found. Education and digital literacy boost social media's interfaith benefits. This study encourages constructive social media communication between diverse religious communities to promote social harmony.‎