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All, after some experimenting with iPhones, iPads. my compacts and M4/3 camera, an assortment of pc laptops at work running XPSP3, win 7 and win 10, and my macs the conclusion I’ve come to is this is NOT the fault of the websites - it has more to do with the software you use to extract the image from the camera and resize/crop/save the image.
JPEG files are more than just a big bitmap - there’s a bunch of parameters (metadata) stored as well. The metadata includes the orientation (ie which way was up) when the photo was taken.
What I’m finding is that some apps - particularly older Microsoft windows apps on XP and some in win 7 - do not use the orientation meta tag properly and worse, if you rotate the image in the PC the correct “up” information is not saved with the file.
Either:
A) try different applications to the one you’re using to extract/crop and rotate an image then upload to IIS - chances are you’ll find one that works.
B) if all else fails get the image the way you want it on screen. Then use ALT-PRINTSCREEN to copy the window, make a new image, paste what you copied and save that. This WILL upload an image in the orientation you had on your screen.
It seems Mac OS X users are better off as image capture, Preview, Finder, iPhoto, Photos and Aperture all get it right.
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