Looking for a convenient and affordable solution to add password to Adobe pdf files? Try AWinware Pdf encryption software which encrypt pdf content stream with 128 bit RC4 and AES security level, set open and owner password on bulk pdf files. Protecting pdf files with open password ensures that only intended users can open and view pdf content by supplying pdf user password. Owner password is also provided to lock pdf files for various restrictions such as disable pdf print button, block pdf content text and graphics editing, prevent form filling and disallow copying, commenting, signing, changing etc. Tool can protect pdf files either with 40 bit or 128 bit encryption length. Tool facilitates to add bulk pdf files for password protection. This easy to use application can lock pdf files without altering original pdf, and saves the locked pdf files at user defined location. Trial version is available having full functionality but a watermark is added on output pdf files.

Features:
1. Password protect bulk pdf files in single instant.
2. It can encrypt pdf files either using 40 bits or 128 bits level AES security.
3. Tool is compatible with all Windows operating system.
4. Program is graphical user interface based.
5. Pdf encryption tool contains inbuilt user help manual.