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.
Best Answer: Hello! I set my custom thumbnails to 1280x720 pixels and I create them on Adobe Photoshop. For videos either 1920x1080 (1080P) or 1280x720 (720P).