Link Search Menu Expand Document

Remove Protection from PDF - VB.NET

PDF SDK sample in VB.NET demonstrating ‘Remove Protection from PDF’

Imports Bytescout.PDF

Module Program

    Sub Main()

            Dim fileName As String = "ProtectedPDFFile.pdf"
            Dim fileName_UnProtected As String = "UnProtectedPDFFile.pdf"

            'Protected file password
            Dim filePassword As String = "admin@123"
            'Process file to remove password

            Dim document As Document = New Document()
            document.RegistrationName = "demo"
            document.RegistrationKey = "demo"
            document.Load(fileName, filePassword)

            ' Remove password protection and encryption
            document.Security.OwnerPassword = String.Empty
            document.Security.UserPassword = String.Empty
            document.Security.EncryptionAlgorithm = EncryptionAlgorithm.None

            ' Remove restrictions
            document.Security.AllowAccessibilitySupport = True
            document.Security.AllowAssemlyDocument = True
            document.Security.AllowContentExtraction = True
            document.Security.AllowFillForms = True
            document.Security.AllowModifyAnnotations = True
            document.Security.AllowModifyDocument = True
            document.Security.AllowPrintDocument = True
            document.Security.PrintQuality = PrintQuality.HightResolution

            'Save Unprotected file
            Console.WriteLine("PDF restrictions removed successfully!")


        Catch ex As Exception
        End Try

        Console.WriteLine("Press any key to continue...")

    End Sub

End Module

Download Source Code (.zip)

Return to the previous page Explore PDF SDK