XnView Software

Many many many thanks XnTriq. Yes, now it works. I followed this link in your original link (xx.pdf 0x0x0 : not a picture):

Richard Koch
Ghostscript install package for macOS

and downloaded Ghostscript 9.21 and it is excellent now. No errors.
Just to summarizes, for those on mac, install ...

Thanks cday, I did as you said and still the error. Do you know how to install Ghostscript on mac.

Thank you,
Mohamed

I have macOS Sierra (10.12.4) with Xnconvert (version 1.74 x64).

When I add pdf file and want to have the output as JPG, I get the error: not a picture.

Is there any idea?

Thanks in advance
Mohamed