Mark Sturtevant wrote:
These are basic editing tools. As long as you are sure you are not going to get a lot fancier, there is no reason at all to buy editing software.
So just download Gimp. This is a free photo editing tool that does everything you want, and more. Lots more. I use Gimp routinely. If you later feel like you need more capabilities, well Gimp will still be there.