To access the “Image Editor” go to “Media” in the sidebar and select “Library”.  Select the image you would like to edit.  This is where you can see and edit information about your image.  Clicking “Edit Image” will bring you to the Image Editor.  The buttons located above the picture allow you to edit your image.  You can rotate the image clockwise, counter clockwise, flip the image vertically, and flip horizontally.  You can also undo and redo all of your actions.

If you wish to crop your image click and drag your selection or specify the cropping options in the sidebar, and click the crop icon to crop your selection.  There’s a useful “Help” link in the crop section that gives you information on aspect ratios and crop selection.  Don’t forget to click “Save” after making changes to your image.

You can resize your image by entering your preferred dimensions here.  To keep the image in the aspect ratio the other value will be automatically calculated for you.  Click on the “Scale” button to make your change.  If at any point you want to revert your image back to its original state just twirl down “Restore Original Image” and click the “Restore Image” button.