waifu2x - Online/Offline tool to upscale images
Smart Upscaler - Improve and enlarge images in one click
Upscayl - 🆙 Upscayl - Free and Open Source AI Image Upscaler for Linux, MacOS and Windows built with Linux-First philosophy. - GitHub - upscayl/upscayl: 🆙 Upscayl - Free and Open Source AI Image Upscaler for...
Upscale Pics - Increase your resolution with AI, with no pixelation.
ESRGAN - ESRGAN is an upscaling method that is capable of generating realistic textures during single image super-resolution.
Let's Enhance - Image upscaling supercharged