Secure Acrobat PDF documents using advanced encryption algorithms which help in protecting document with user password & owner restrictions. Quickly restrict editing, printing & copying in pdf files. Program lets you to secure pdf with RC4 and AES encryption security as per the need. Pdf password software encrypt pdf file from 40 bit to 256 bit long encryption key. All security parameters are available in graphical user interface format, required one can be selected to secure pdf document. AxpertSoft PDF Encryption software is best and easy to access security tool for your pdf files, process bulk pdf documents with lightning fast speed. Pdf security software locks document with pdf open password lock as well as pdf owner lock. If owner locking is selected, you can disable pdf accessibility like screen reading OCR, signing, commenting, printing, changing content, copy paste etc. Free evaluation file download is also available to test the working & performance of the tool. Pdf encryption software is advanced solution for locking small size as well as large size pdf document, generates output at specified location. Pdf encryption tool is released with user help link to operate the tool easily. Novice users can also operate the program very well. Please make sure to register the trial version as evaluation version provides limited accessibility.