image-upscaling.net

Upscale images with AI up to 16k for free & without sign up!

This AI website can scale up your images by 4x, providing stunning results that surpass traditional methods. And the best part: it is completely free, you do not even need to sign up for it! It supports images up to 4000x4000px to be scaled up to 16k — a size where most services charge a ton of money for!