This filter rotates the given image according to the angle value passed.
im=filters:rotate(90) -This parameter will rotate the image 90 degrees. You can specify the value according to your requirements.
Normal Image:
https://push-3272.5centscdn.com/KB_IMG/Ballon_5centsCDN.jpg
Transformed Image:
https://push-3272.5centscdn.com/KB_IMG/Ballon_5centsCDN.jpg?im=filters:rotate(90)
){kind=link}