Apps similar to PDF Copy Protection by ttdsoft include PDF Unshare, which is free for personal use. Other options are PDFEncrypt, Secret PDF, Batch PDF Encryptor and Wonderfulshare PDF Protect Pro. In total there are five apps like PDF Copy Protection by ttdsoft for Windows, Android, iPhone and iPad.
PDF Unshare is a free PDF content protection utility that creates unshared PDF and UPDF formats to protect your PDF files from sharing, printing, editing, copying or unauthorized accessing. This creative document protection tool also allows you to set an expiry date for the...
China
PDFEncrypt is a free, open-source Windows application that encrypts any PDF file using industry-standard encryption algorithms.
Secret PDF is capable of preventing unauthorized distribution and protect the PDF document from editing, copying, printing and converting. Keep your PDF in safe situation.
Batch PDF Encryptor is a handy but powerful software tool designed to encrypt and restrict multiple PDF files in bulk by adding open passwords, setting printing restrictions, and prohibiting text copying to PDFs.
United States
Wonderfulshare PDF Protect Pro is an intuitive software solution designed to help you easily secure and encrypt your PDF files. You can protect your PDF files from unauthorized access after you have set owner-password and / or user-password.
China
