When you place an image in GIMP it may be bigger or smaller than you want so you will have to resize it to make it the size that you want. There are two ways to resize an image in GIMP and they ...

but you can also keep the original high-quality version. If you really hate the Photos app for whatever reason, Paint also ...

If you have a large image that’s taking up too much space or its dimensions aren’t quite right, you might want to resize it.