Icemark is a software to protect your photos and designs with watermarks, so no-one can use them illegally.
In reality Icemark isn`t a traditional program to add watermarks, as what it adds is completely invisible to the human eye. Only if that image is opened and scanned with Icemark again can you see it. That makes it much more subtle, elegant and discrete, without affecting the beauty of the photo.
In the invisible Icemark watermark you can add information on your authorship and include logos. Only the creator who knows the corresponding password assigned to each image can change or delete the mark. It supports the usual graphic formats (JPEG, TIFF, BMP, PNG, TGA, RAW, JP2, JPC, or PCX), and can do batch processing.