How to Protect PDFs from Sharing and Copying by PDF Unshare
PDF Unshare is a free PDF security tool that creates unshared PDF and UPDF formats to protect your PDF files from sharing, printing, editing, copying or unauthorized accessing. Each protected PDF/UPDF file can be opened on 1 PC or mobile device only.
This creative document protection tool also enables users to set an expiry date for the protected PDFs, and then all these files would not be viewed after that date. Entrepreneurs, book publishers or educational institutions can easily protect their documents from unauthorized sharing to other people or publishing online with this handy application.
The protected files can be viewed on Windows PC/laptops, iPhone/iPad and Android devices by the free UPDF reader program, also prevents people from taking screenshots while viewing the document content. You can also set the watermark text and customize the watermark color to the protected documents.
Homepage: https://pdfunshare.com