If you are looking for a strong pdf encryption security, AdroitPDF have a solution of 256 bit encryption lock using AES method which is compatible for Acrobat X and Later. Tool locks Adobe Pdf with password security & restrict pdf edit print copy features, protects bulk pdf files with 40-bit, 128-bit and 256-bit RC4 or AES encryption level security. Program disallows pdf editing, printing, copying, form filling, signing, commenting in any pdf. User can set desired length password to apply security in document. Adroit Pdf encryption security tool is Windows 8 compatible utility, supports all latest version of Adobe pdf documents. Pdf encrypt utility can protect more than one pdf file with desired security protection. AdroitPDF is robust desktop solution for your private and confidential documents, quickly locks pdf document opening with open password. Protected pdf document can only be opened by authorized user with correct password input. Both user password and owner password settings are available. User password is open password however owner password is permission password to restrict pdf accessibility.

Features:
1. Tool provides locking option of both RC4 and AES.
2. PDF file can be encrypted using 40, 128 & 256 long encryption keys.
3. It is designed to make compatible with bulk pdf loading.
4. AES 256 bit encryption level is compatible with Acrobat X and Later.
5. Set both user as well as master password for pdf document.