The user can upload an image file and perform a series of transformations on the image. The user can choose up to three actions, including flipping the image horizontally, flipping the image vertically, rotating the image 90° to the right, rotating the image 90° to the left, and rotating the image 180°. The resulting image can be saved as a PNG file (right-click the resulting image and choose Save).
The calculator by default uses a drawn picture that resembles the famous "Lenna" photo, which is commonly used as a standard test image in the field of image processing. This image can be used as a starting point for users to try out the image manipulation actions.