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!
image-upscaling.net
Launch date
Diffusion based Image Upscalingupscale images online with diffusion. no sign up required!
Launched on February 12th, 2026
Free AI Image UpscalingUpscale images with AI up to 20k for free & without sign up!
Launched on September 3rd, 2024