I tried using the experimental
ImageContents function, introduced in MMA 12, on my PC (using Mathematica) as well as on my iPad (using Wolfram Cloud app). On my PC it worked, but not on Wolfram Cloud. It said that it had to download some 200 MB of data from their servers, just like it did on Mathematica. However after the download nothing happened.
This was the image: https://i.stack.imgur.com/6Fd4n.jpg
And this is the result on my PC:
Does anyone know what is the issue?