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: over 1 year 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

I'm using https://compressimage.io/ for compress images before upload to website. What is good selfhosted alternative for that? Source: over 1 year ago

I personally would keep the resolution if my screen has the pixels and rather go with a compression tool like this: Https://compressimage.io/. Source: over 1 year ago

If you need those pixels you are better off keeping them. To reduce image size nevertheless, you can actually use a tool like this: Https://compressimage.io/. Source: over 1 year ago