SysTools PDF Watermark software to add text/image watermark to PDF files. It also permits the user to perform some customizations with PDF watermarks in order to add customized watermarks to PDF files. The add text watermark allows stamping text on the PDF files. Similarly, The add image watermark option allows the user to add images as watermark on PDF files. Set watermark text and position such as top horizontal, bottom horizontal, left vertical, right vertical, top left to bottom right, etc. Another option facilitated by the software is to specify the font size and the font color that can be selected from the inbuilt color palette in the user interface of the software according to which customized color can be selected and added to the text of the watermark that is to be added to the PDF file. Also, if the user want to add an image as a watermark to PDF file. At last when all the process to add watermark to pdf files is completed then the user can very easily view all the details & properties such as color transparency, font size, watermark position, etc of the added watermarks. The software is fully compatible with the windows 10 operating system and performs really well while using the latest PDF file formats