ByteScout PDF SDK – VB.NET – Remove Protection from PDF

Home
/
Articles
/
ByteScout PDF SDK – VB.NET – Remove Protection from PDF

printable version:
ByteScout-PDF-SDK-VB-NET-Remove-Protection-from-PDF.pdf

How to remove protection from PDF in VB.NET with ByteScout PDF SDK

This code in VB.NET shows how to remove protection from PDF with this how to tutorial

The sample source codes on this page shows how to remove protection from PDF in VB.NET. ByteScout PDF SDK: the component to help programmers in generating new pdf files, modifying and updating existing pdf documents or pdf forms. Provides support for auto-filling pdf forms, adding text with adjustable font, style, size, font family, new form fields, vector and raster drawings. It can remove protection from PDF in VB.NET.

The SDK samples like this one below explain how to quickly make your application do remove protection from PDF in VB.NET with the help of ByteScout PDF SDK. In your VB.NET project or application you may simply copy & paste the code and then run your app! Test VB.NET sample code examples whether they respond your needs and requirements for the project.

Our website provides trial version of ByteScout PDF SDK for free. It also includes documentation and source code samples.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

Program.vb

      Imports Bytescout.PDF

Module Program

    Sub Main()

        Try
            'Files
            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
            document.Save(fileName_UnProtected)
            Console.WriteLine("PDF restrictions removed successfully!")

            Process.Start(fileName_UnProtected)

        Catch ex As Exception
            Console.WriteLine(ex.Message)
        End Try

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


    End Sub

End Module