Secure your eBooks and PDF documents with text or image watermarks on your PDF downloads, or enable password and/or copy protection. Protect your eBooks and other PDF documents. The WooCommerce PDF Watermark extension is the ultimate PDF protection extension you will ever need to protect and secure your eBooks and other PDF downloads via WooCommerce. WooCommerce PDF Watermark has an array of features that will ensure your PDF files are protected by giving you the ability to place image or text watermarks on your PDF file downloads. In addition to text and image watermarks there are also other key PDF protection features included with the extension, such as the ability to password protect your PDF file downloads, prohibiting copying, prohibiting modification and prohibiting printing of any of your eBooks or PDF files.