From AWinware Software:

Are you looking to unprotect pdf files and want to print document or copy text from pdf. Try our pdf security remover software, removes password from locked pdf files either encrypted using user password or owner password. Free pdf encryption remover software decrypts first two pages only while registered version unlocked full pdf and preserves bookmarks (if any). PDF restrictions remover software remove securities from all type of encrypted pdf files e.g. 40 bit and 128 bit RC4 and AES. Pdf unlock tool is easy to use and affordable solution for all level of users either home user or corporate user. PDF password remover software supports all Windows Operating systems including Windows XP, Vista and Windows 7.
Features:
# Tool provides inbuilt user help manual for retrieving decrypted pages.
# PDF securities unlock tool supports bulk pdf documents for password removal.
# Easy to use tool instantly remove all restrictions in a single hit.
# PDF password remover software decrypts RC4 and AES encrypted pdf files.
# Application is independent on Adobe Acrobat software.
# Supports Windows XP, Vista and Windows 7 OS.