This is my impression from the result of super scaling a very low-res image. So AI/DL/ML tools are lucrative. Feel free to comment. additions/revises are welcome. Great Gigagixel AI (commercial, Mac/Win) Upscayl (free, Mac/Win/Linux) Pixelcut (freemium, Online & iOS) Replicate (freemium, Online) Nero AI (freemium, Online) Good ON1 Resize AI (commercial, Mac/Win) Upscale.media (free, Online & iOS/Android) LetsEnhance (freemium, Online) Remini (commercial, O