Digital marketing has significantly converted consumer buying behaviour by impacting mindfulness, perception, and decision- making processes. This study uses secondary data to examine how digital marketing strategies impact consumer behaviour supported by case studies of major platforms similar as Amazon, Instagram, and Flipkart. The findings reveal that substantiated advertising, social media engagement, online reviews, and promotional discounts play a pivotal part in shaping copping opinions. The study concludes that digital marketing has a strong and positive impact on consumer buying behaviour.