Synthesia is an AI video creation platform that allows businesses, educators, and marketers to create professional-quality videos without cameras, actors, or editing skills. With AI avatars, text-to-speech in 120+ languages, and pre-designed templates, Synthesia helps users save time and reduce production costs. Ideal for marketing teams, eLearning professionals, and HR departments, this tool streamlines content creation and enhances engagement. But is it the best AI video tool for 2025? Read our in-depth review to find out.