Uploaded image is not rotated Answered
I uploaded several photos for my Instructable (https://www.instructables.com/id/Game-board-for-Settlers-of-Catan/). All were taken with my iPhone. One is in portrait mode. When I preview the photo with Irfanview on my PC it is correctly oriented. When I view the photo on Instructables it is rotated 90 degrees to the left.
I infer that the iPhone puts some kind of rotation command in the file. Irfanview correctly handles this while the Instructables site does not.