Avoid unauthorized use of your product photos. Stamp your product photos with watermark. You can add text or image watermark. For Text Watermark, you can set different font face, font size, bold, italic or underline with different color. For Image Watermark, you can pick from different formats of image, include gif, jpg, png and others. The watermark can be set into different position of the photo. It can also be aligned diagonally on the photo. You can also adjust the opacity of the watermark to ensure the readability of photo.