HOW TO RESIZE IMAGES
Really easily is the answer. If you have image editing software on your computer already and you know how to use it fast, then that is obviously the best way for you.
Even if you have zero knowledge of editing images though it’s still really easy. There are a number of websites which allow you to quickly and easily upload an image from your computer, edit or resize it and then save it back to your computer in its new state. Here’s a few of the easiest and best ones for you to try out. Give a few of them a go until you find the one that works best for you.
Give us a shout if you find an easier one than these and we’ll add it to the list.