The rapid growth of e-commerce platforms has significantly transformed consumer purchasing behavior, with online reviews emerging as a critical influencing factor. This study investigates the role of online reviews in shaping consumer purchase decisions, focusing on consumers in Bangalore and Kolar regions. The research examines how review quality, rating systems, credibility, and sentiment affect consumer trust and buying intention. A structured questionnaire was used to collect primary data from 120 respondents. The findings reveal that verified reviews and positive ratings significantly enhance trust and influence purchase decisions, while negative and fake reviews create hesitation among consumers. The study concludes with recommendations for improving transparency and authenticity in online review systems.