Synthesia is an AI-powered video generation platform that allows users to create professional-quality videos in over 140 languages using AI avatars and voiceovers. The platform offers various templates for training, sales, and marketing, and boasts features like AI voice cloning, translation, and easy collaboration tools. Synthesia emphasizes ease of use, scalability, and cost-effectiveness compared to traditional video production methods, claiming significant time and cost savings for its users. The platform also prioritizes AI ethics and security, holding relevant certifications and employing human and AI content moderation. A free plan is available, alongside enterprise options.