How to decrypt password-protected Adobe Acrobat PDF files ?
Do you have a pdf (Adobe Acrobat) file which cannot be printed, copied, or edited? Your pdf file has had password security and other restrictions added. With the pdf restriction remover software: WowTron PDF Restriction Remover, you can remove the password and restrictions in a few seconds.
WowTron PDF Restriction Remover (also called a pdf password cracker, password reset, or password recovery tool, depending on its ability) can work to remove the restrictions in standard password protected pdf file, including 40-bit RC4 decryption, 128-bit RC4 decryption, 128-bit AES decryption and 256-bit AES decryption. You should input your user or owner password before remove the user/open password. It do not support Adobe DRM or other third part plug-in.
You could also remove pdf restrictions in batches by it.
What is a Document Open Password?
A document open password is the password used to restrict the opening of a pdf file. While this password is called the document open password in Adobe Acrobat, other pdf programs may refer to this password as the pdf user password or the pdf document open password. Document open passwords are not easily hacked but there are a few pdf password recovery tools that can do it via brute-force attack, given enough time. A document open password only restricts the opening of a pdf file. pdf owner passwords are used to provide document restrictions in pdf files.