If you constrain the proportions, you can set either W idth and H eight, and the other one will be calculated automatically to keep the aspect ration the same. When you change the W idth and H eight of an image but don’t resample, the number of pixels per inch, or Resolution, changes as you change the dimensions, but the total number of pixels stays the same. Resolution is the amount of detail in the image and is measured in pixels per inch (ppi).
Image size is the W idth and H eight of the image, often measured in inches. Using the Image Size dialog box, you can easily adjust the image size (W idth and H eight) and Resolution.Īt first glance, image size and resolution can be confusing.
Did you know you can easily resize your images? Sometimes you have a need for a specific image size and/or resolution, such as a passport photo, a web page, or printing an image to fit in a specific picture frame.
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