I recently came across https://imglarger.com/ https://imglarger.com/ which is an AI image enlarger. I haven't used it yet so can't give a review, but they there

I recently came across https://imglarger.com/ https://imglarger.com/ which is an AI image enlarger. I haven't used it yet so can't give a review, but they there is a free plan you can try and even their paid tiers seem reasonably priced.