If you are tired of having your online photos copied by someone else, you might be planning to watermark your images with your brand name. There are very rare chances of watermarked images being copied. In fact, by copying your watermarked image, they’ll be showing your name or URL in the watermark, hence publicizing you!
Of course, Photoshop users can Watermark their images easily (see how to watermark images in Photoshop), but those who don’t use Photoshop can use these cool Online Watermark Generator Tools to watermark photos and images online:
Also see Best tools to Optimize CSS Online.