I need an efficient solution to edit scanned pages of my PDF files, which are currently unformatted. These pages often contain unwanted or excessive margins that cause problems when printing and lead to unnecessary ink and paper consumption. In particular, I am looking for a user-friendly program that operates on various platforms and offers the possibility to edit the PDF files safely online. Furthermore, this tool should provide me with the freedom and convenience to edit my PDF files anytime and anywhere. It is important that the tool is provided free of charge and without any additional hidden costs.

The online tool Crop PDF from PDF24 is the efficient solution you're seeking. Simply upload and trim the unwanted borders of your scanned PDF pages to reduce unnecessary ink and paper consumption. This user-friendly program operates on all platforms - Windows, Linux, Mac, iPad, iPhone, or Android, and it offers the opportunity to work securely online. With the option to edit anytime and from anywhere, PDF24's Crop PDF offers maximum flexibility. After a specified period, your files will be automatically and securely deleted. The best part: the tool is 100% free with no hidden costs. With the Crop PDF online tool, you can easily improve the readability of your scanned PDF files and save valuable resources.