XnView Software

Okay. It ends up like I have to tick the following setting (which is non-default)

Settings > General > Apply ICC profile to the monitor (or something like this)

Now, it looks well

xnview wrote: Sat May 27, 2017 4:41 pm please send me a sample file?

I just hit this issue about ProPhoto today. There are a source jpg file and a ProPhoto one in the attachment.

Thanks.

p.s., Photoshop reads both jpg files okay.