Use this free app to add a watermark to your PDF document. Thanks to a large number of settings, you will get an excellent result that will exactly meet your requirements. You can create a watermark in the form of text or an image of any type. Change the font settings: type, size, color, and other parameters. Control the rotation angle, layers, transparency, page numbers, and more. And all this is online, without installation on a local computer. No matter what platform you are running on, be it Windows, Linux, macOS or Android, the result will be fast and accurate.