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Images appear rotated on iPad & iPhone

A small number of users have reported an issue with the appearance of photos when using an iPad or iPhone to browse the web, with some photos being rotated through 90°. Please rest assured that this is not an issue with the Webpartner CMS. The problem is the interpretation of image data by the Mobile Safari browser on these devices.

JPEG images can have a lot of meta information (EXIF data) stored in them, such as the GPS coordinates of the place where the photo was taken, whether the flash was used and so on. One such piece of data relates to the orientation of the image, i.e. how the camera was rotated when a photo was taken.

Most web browsers such as Firefox and Internet Explorer just ignore this additional information and display the images as you would expect. However, the Mobile Safari browser used on the iPad and iPhone respects the orientation mentioned in the EXIF data and can therefore rotate an image when it doesn't actually need to.

If you open the image using a graphics editor such as Photoshop or GIMP you will see that the same thing happens, thereby allowing you to correct the rotation and re-save/re-upload the modified image.

Alternatively, you can use a program to remove all of the EXIF data from the image, and then re-save/re-upload the modified image. There are lots of EXIF data removers available online - here is a free EXIF data remover for Microsoft Windows.