Here you can just enter the new values and the image or shape will be resized accordingly. Clearly adjusting the shape or image using the mouse and squared corners is one of the easiest ways, but if you need exact match or precise pixel perfect solution then you can also use the following methods: Right Click on the image and change shape sizeīy using this method you just need to right click on the image or shape to change size and then you will see a small menu popup with fields for height and width. In PowerPoint when inserting shapes and images you can control exactly where to place it in the slide or what is the height and width used.