The challenge at hand consists of finding an effective solution that can prevent unauthorized printing of my PDF files. It is of utmost importance to ensure the security and integrity of the files, in order to comply with strict data protection guidelines and prevent misuse. It should be noted that the implementation of these measures must not impair the user-friendliness or access to the files for authorized users. Furthermore, the solution should be web-based in order to eliminate the need for additional software installations, thus saving time and computer storage space. Finally, the solution should support various encryption methods to provide versatile protection measures for the files.

The online tool "PDF to Secure PDF" from PDF24 is the ideal solution for your challenge. With this tool, you can encrypt your PDF files and add additional security measures that prevent unauthorized printing. Additionally, user-friendliness is maintained as access for authorized users is not affected. Since this service is web-based, there is no need for software installation, saving valuable time and computer memory. The support of various encryption methods offers flexibility in protecting your files. As soon as your file is processed, sensitive data is immediately deleted to ensure privacy. In particular, the tool helps ensure compliance with stringent data protection regulations.