Many thumbnail programs exist that will take a large image and reduce it to a thumbnail for you, often supporting working in batches. But what about turning user-uploaded images into thumbnails? Obviously, you don’t want to simply send a large image to the browser and have HTML resize it, because the quality wouldn’t be great, and your bandwidth would go through the roof. So you need something to handle this process on the fly, which is where this recipe comes in handy.
it's a good alternative, but I can't create chat rooms to invite friends, acquaintances and programming professionals like on this website