Why add watermarks to images in WordPress? Watermarks are semi-transparent logos, text, or patterns that cover an image. Watermarks are obvious but subtle so that users are not disturbed when viewing photos, but cannot download and use the files without purchasing them. This prevents unauthorized use of your images by others, thus preventing image theft. You can also use your website's logo, URL or tagline as a watermark to increase brand awareness and make it easier for users to remember where they saw the image...