I'm looking for an efficient solution to add watermarks to my PDF files. The context behind my need is that I want to protect my documents from unauthorized use and minimize the risk of plagiarism. An ideal solution would be a tool that allows me to individually adjust the text, font, color, position, and rotation of the watermark and implement it all in a short amount of time. Moreover, it should be user-friendly and allow swift application without cumbersome installation or registration. It would also be advantageous if the tool supports various file types, not just PDFs. Since I frequently work with documents, I need a reliable tool that enables me to personalize and protect different files effectively.

With the online tool "PDF24 Tools: Add Watermark to PDF", you can easily and effectively watermark your PDF files. You have the option to individually adjust the text, font, color, position, and rotation of the watermark. The tool allows you to protect and personalize your documents in just a few seconds. Since no download or registration is necessary, the application is particularly uncomplicated and time-efficient. In addition, PDF24 Tools provides support for various file formats, enabling protection of different document types. Overall, this online tool is the ideal solution for efficiently protecting your documents from unauthorized use and minimizing plagiarism risks.