Video2X is one of the most popular open-source tools for AI video upscaling. Whether you want to turn a blurry 480p anime clip into a crisp 1080p video, or upscale classic footage to 4K, Video2X offers impressive results through powerful AI engines like waifu2x, Anime4K, and RealSR. This complete Video2X tutorial covers what Video2X is, how to download it, how to use it step-by-step, and how to run Video2X on Mac, plus recommended alternatives if you need a simpler solution.