Encrypt and protect PDF files, add or modify PDF file passwords, set access permissions for open, edit, copy, and print
Free Protect PDF tool, set a password for open, edit, copy, and print protection of PDF files
Use the strongest and most secure encryption algorithm AES-256 bit, it has never been cracked! The password complexity needs to set a minimum of 8 characters, including English letters, numbers, special characters, etc. Make sure your files get the best protection. At the same time, the PDF file encryption process is done locally, and the PDF file will not be uploaded to the online server.
The encrypt PDF tool supports Windows 7, 8, 10 (32/64 bit) desktop systems, and Android phones (Android systems). In the future, we will launch Mac OSX, iPhone, Ubuntu, Linux, and it’s coming soon!
Select the PDF file, customize the length and complexity of the password according to your requirements, and finally click "Protect PDF" to complete. Simple, safe and efficient.
Use Sanreader encrypt tool to encrypt and protect PDF files. Office workers often need to set access permissions for some confidential and private PDF files.
PDF files are very popular in daily office. Office workers often convert various types of documents to PDF files for easy share, read and print. However, some PDF files are internal confidential files and need to be encrypt and protect. PDF files can be effectively protect by Sanreader encrypt tools. Open the protect PDF tool, select the file to be encrypted, and click "Protect PDF" to complete.
With the increasing popularity of smart phones, is there a mobile app that encrypt PDF files, which can protect PDF files? Yes, you can protect PDF files as long as you download Sanreader Converter.
