Synthesia is an AI-powered video creation platform that lets businesses, marketers, and educators produce professional-grade videos without actors or expensive equipment. With AI avatars, text-to-video automation, and support for 120+ languages, Synthesia helps users create engaging videos quickly and affordably. This in-depth review covers features, pricing, real user feedback, pros and cons, and comparisons to other AI video tools to determine if it’s the best choice in 2025.