"Edit PDF Pages with PDFCool" is an easy-to-use but powerful PDF page handler. It can be used to edit and modify PDF pagess. You can add, del, export, insert and copy pages of PDF. In addition, it can be used to add watermarks or Page Header/Footer in PDF documents. It allows you to quickly add text or image watermarks to one or more pages in a PDF document. You have full control over the position, size, opacity, and more of your watermarks, and you can save them as project files for reuse.