Prajakta Koli is an Indian content creator, actress, and author, widely recognized for her YouTube channel MostlySane, where she produces comedic and relatable content focusing on everyday life. Born on June 27, 1993, in Thane, Maharashtra, she pursued a Bachelor of Mass Media from V. G. Vaze College of Arts, Science and Commerce in Mumbai. Before venturing into digital content creation, she interned at Fever 104 FM radio station in Mumbai. In 2015, she launched her YouTube channel, MostlySane, which has since garnered over 7 million subscribers, making her one of India's most prominent digital influencers.