PDF Password Recovery ( pdf decrypt ) ( pdf passwrod remover ) can be used to decrypt protected Adobe Acrobat PDF files, which have "owner" password set, preventing the file from editing (changing),printing,selecting text and Graphismes(and copying them into the Clipboard), or adding/changing annotations and form fields. Decrypted file can be opened in any PDF viewer (e.g. Acrobat Reader ) without any restrictions -- edit/copy/print functions enabled. All versions of Adobe Acrobat (5.x 6.x 7.x which features 128-bit encryption) are supported. The standard Sécurité 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 Graphismes out of the document; modifying the document; and adding or modifying text notes (using 'owner' password).support command line.