PDF can be protected by two ways.One is pdf restriction prevent from copying,printing,editing,the other is pdf password for opening the file.
However, PDF security also bothers many PDF users. There must be someone who has the legal right to open an encrypted PDF documents
, but forgot the password or some other reasons like in the situations below.
A publisher want to publish one of your novels you wrote many years ago, but you were kicking yourself saving it in PDF and protected it by owner password. No matter how hard you try but you just can not remember the password. You must remove the restrictions and get the precious chance.
Or you are authorized to check a bunch of critical PDF files, which were created and encrypted by a former department manager. You need to open these PDF files and print them. Or this job will take you a month or longer.
In both cases, you have no option but to crack the PDF password. Don't panic, removing PDF password is not impossible.
1.If you want to open the protected pdf and you don't have or forgot the password
Cracking user password is very difficult and time consuming. There is some software called password recovery. Such as PDF password recovery 5.0 which is proved to an effective way to recover lost or forgotten passwords.It works so well in many countries,and also very popular too.you can search it for more information.
2.If you want to copy or print the protected PDF files which has restrictions
There is a tips using Gmail to view protected PDF. Send the protect PDF to your Gmail then view as HTML. So you can copy and print the PDF in your browser. If the files are too large, this way is not going to work. And some PDF users reflect that this way won't work anymore since Google has closed the beta version.
Or you can just remove the owner password using Advanced pdf password Remover, then you can batch remove the PDF restrictions. It can decrypt 200 PDF files at one time, or just right-click the PDF file, select Decrypt with Advanced PDF Password Remover from the shortcut menu, the restrictions will be removed in seconds.
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