PDF Password Cracker is an utility to remove the
security on PDF documents (of course, you should have
the right to do it, for example, in case of forgotten
user/owner password). Only standard PDF security is
supported, neither third-party plug-ins nor e-books.
Both protection methods are cracked:
1. Restricted operations on file can be disabled
(instantly, any Acrobat version up to 7.x).
2. It also can be used to decrypt files you know
password for.

The standard security provided by PDF consists of
two different methods and two different passwords. A
PDF document may be protected by password for opening
('user' password) and the document may also specify
operations that should be restricted even when the
document is decrypted: printing; copying text and
graphics out of the document; modifying the document;
and adding or modifying text notes and AcroForm fields
(using 'owner' password).

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