Professional photographers know how important it is to protect their own photos and reserve all rights over their creative works like mosaics, unique photographs, etc. They take advantage of Photoshop tools and label images effortlessly. Thanks to the smart watermarking, pro photographs fall under a strict image license type that limits free image distribution. If you want to restrict your picture usage and copyright images, there are easier ways than complicated Photoshop. Here are 6 fine and free programs that enable you to protect pics with either another image (for example, a logo) or a custom text.