Try Pdf Locker Software to encrypt your bulk pdf
files. Program is sufficient enough to protect pdf
documents with RC4 128-bit, AES 128-bit & AES 256-bit
strong encryption strength. You can lock pdf with
open password security also to secure content. Any
pdf file can be protected with two types of password
security, pdf open password and pdf owner password.
Pdf owner password is responsible to restrict pdf
accessibility like editing of document, printing of
pages and copying content on clipboard. Owner
password is also known as pdf master password helps
in restricting pdf content piracy and duplicating.
However pdf file can be opened for reading & viewing
purposes. If you want to completely protect pdf
document to restrict pdf opening, define pdf user
password during pdf encryption. Now if anyone tries
to open pdf document, pdf will prompt to type open
password. Thus you can secure your document from un-
authorized access. Free evaluation copy is available
for testing purpose before actual order. Trial
version stamps watermark on the pages.

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