Method 4: Unsecure A Secured PDF using PDFCrack.Method 3: Unprotect A Protected PDF File with Adobe Acrobat.Method 2: Unsecure A Secured PDF File without Password.
Here in this article we would articulate three triks, which mostly involve tools, both online and offline to help you unsecure a PDF file which is not known to you currently. On such occasions, it becomes very hard to know what the file may contain. There will be times when you will completely forget password to your PDF or you have got a password protected PDF file with no password attachment. For Owner password, it gives you an ability to prevent other people from copying, printing or modifying the text. For Open password, As the name implies, it can be able to protect your PDF from from unauthorized accessing and viewing, let alone moidfy or edit the content in PDF file. In fact, there are two types of password applied to Adobe PDF one is OPEN password and the other is OWNER password. Most of the books, documents, catalogues, written evidences are shared in the PDF format, thus they are mostly found password protected.īefore we talking about how to unsecure a PDF file, it's necessary for us to make a clear-mind understand about how Adobe encrypt PDF. PDF file contains the text based information along with some images.