Why Some Converters Add a Grey Film to Your Images (and How to Stop It)
https://dibz.me/blog/when-iphone-photos-wont-open-on-windows-practical-ways-photographers-can-send-client-files-without-the-drama-1048
5 Reasons Converters Smother Your Photos in a Grey Film - and why you should care If your perfectly crisp image comes out of a converter looking like someone wrapped it in tracing paper, you’re not imagining it