About upscale (Patreon)

If you're interested in upscaling images by 2X or 4X, you can make use of the following free tools. These are the ones I've tested and found to have decent results, for your reference.

Web

Free AI Image Upscaling Tool - Increase resolution of your images

AI Image Upscaler - AI Upscale Image Online Free | Overscale

Upscale Image with AI - Free image enlarger online

Windows or MacOS 

Upscayl - AI Image Upscaler