AI upscaling

AI upscaling increases an image's or video's resolution by predicting the missing detail, rather than just stretching the pixels.

In practice: A traditional resize makes an image bigger but blurrier. An AI upscaler adds plausible detail such as sharper edges, textures and faces, so a small or old image can be printed or used on a large screen.

Why it matters when picking a tool

Upscalers can invent detail that was never there, which is fine for a poster and wrong for evidence or product photos that must be exact. Compare results on faces and text, the maximum output size, and whether batch processing is included.