PatternPad: It generates graphical patterns based on a variety of parameters. This results in an endless number of variations. You can choose from popular styles or create your own individual pattern. - Source: dev.to / 2 months ago

That's an SVG pattern in a CSS background-image property, the exact line of code is here. If memory serves me correctly, I used this site to generate the pattern: https://patternpad.com/. Source: about 2 years ago

I use adobe lightroom. It has an enhanced algorithm that really does a very good job at upscaling images. You might also try https://imglarger.com/. Source: over 1 year ago

But this time I just googled and ended up with https://imglarger.com/ that did the job well. Source: almost 2 years ago

I don't, but try imglarger.com, it's A.I. That scales up an image, I always get amazing results. Source: almost 2 years ago

Hey, this picture looks so cooool!! I save your original image and upload it to imglarger.com to sharpen it. Here is the result. I am not sure if it is what you want. But I think the the color and contrast is better after the image is sharpened by imglarger. Source: about 2 years ago

Image was upscaled with imglarger.com as Dall.E's output images are way too small. Source: about 2 years ago