Correct the orientation of an image by rotating it 90 degrees clockwise or counter clockwise.
To rotate all layers 90 degrees:
Choose Image > Rotate and pick Rotate 90 Clockwise or Rotate 90 Counter clockwise.
Adding Borders to Images
Changing the Canvas Size
Combining Two Images
Correcting Image Perspective
Flipping and Mirroring Images
Rotating Images
Warping Images