Startup Ideas AI

image-upscaling.net is a free AI image enhancer that allows users to upscale their images online. It scales images by 400% up to 20k resolution. The service offers high-quality results, is easy to use, and requires no subscriptions or sign-up. It supports images up to 5000x5000px to be scaled up to 20k. The website also provides options for face restoration and supports large images up to 4096x4096.