You will often be working with images that are larger than what is needed for your website/webpage. Before cropping the image, the first step is making sure the resolution is correct.
Note: The precise instructions may vary depending on your version of Photoshop. Please use the information below as a guide.
See the recommended image sizes for the IUP website.
In the Image > Image Size box, first be certain that the Resample Image option at the bottom is checked.