What are the differences between HTML5 and (pre-5) HTML? How can I make HTML-like forms in Markdown? What is difference between Hypertext and Markup in HTML?
You set the inches and the number of pixels in each of those inches. Photoshop removes or adds data to fit the number of pixels in each of the inches you specified. Note: The original image used in the examples below is 4x4 inches, 100 ppi, 400x400 pixels at 468.8 KB.
In Photoshop, the quickest way to resize an image starts with: 1  Viewing the top menu and clicking âImage.â. 2  Select âImage Sizeâ from the drop-down menu. 3  Make sure the box for âConstrain Proportionsâ is checked.  Then, select 720 px, 960 px or 2048 px for your file 1  width. Click âOkâ to confirm.