To crop an image to a specified location, select the Crop tool in Photoshop located on your Tools palette. It is important to keep the resolution of your image so there is no loss in file information. To keep the resolution while cropping the image, click on the Image pull-down menu and select Image Size.28 Jul 2011
Do photos lose quality when cropped?
Cropping, taking part of the image only, doesn't affect image quality. If, however you print or display the crop the same size as an image from the whole sensor, it's not going to look as good, simply because it has a lot less information. It is the increased magnification that reduces quality, not the cropping.27 Jun 2011
Does resizing photos affect quality?
The short answer to your question: Yes, you will lose image quality. If you resize your images down to a smaller size, and then size back up again, your image will be a lot less clear. When you resize the image back to the original size, you won't get the original image back.