Using GIMP, you can crop an image. rotate or flip a photo, Change dimension & scale of a picture, change the file size of a JPEG photo, etc.

Transform Image UI The Transform Image UI is a CSS3 & Javascript based component that will transform an image on-screen according to user actions. Resize, rotate & flip (horizontal and vertical) ...

How to Rotate an Image in OpenOffice. If you have an image that is sideways or in any other angle besides the desired one in OpenOffice Writer, you may find that you cannot rotate an image ...

How to rotate a photo in Photos for Mac In Photos for macOS to rotate by 90-degree increments: Select the image.