How do I resize an image to be larger
How do I resize an image to be made larger for Channel Art on Youtube?
Youtube Help says to do this:
How to resize images
"You can use your computer's image editor or an online image resizer to resize the images. For example, you can use Preview on an Apple computer..."
I am seeking to create a 2560 x 1440 px image
iMac, iOS 10.3.3