Convert PowerPoint to PDF or PDF to PowerPoint in C# and VB.NET

C#

using Spire.Pdf;
using Spire.Presentation;

namespace ConvertPptToPdfWithOptions
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize an instance of the Presentation class
            Presentation ppt = new Presentation();
            //Load a PowerPoint presentation
            ppt.LoadFromFile("C:\\Users\\Administrator\\Desktop\\Sample.pptx");

            //Get the SaveToPdfOption object
            SaveToPdfOption options = ppt.SaveToPdfOption;
            //Set the conformance level of the converted PDF
            options.PdfConformanceLevel = PdfConformanceLevel.Pdf_A1A;

            //Save the presentation to PDF format
            ppt.SaveToFile("PptToPdfWithAdvancedOption.pdf", Spire.Presentation.FileFormat.PDF);
            ppt.Dispose();
        }
    }
}

VB.NET

Imports Spire.Pdf
Imports Spire.Presentation

Namespace ConvertPptToPdfWithOptions
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            'Initialize an instance of the Presentation class
            Dim ppt As Presentation = New Presentation()
            'Load a PowerPoint presentation
            ppt.LoadFromFile("C:\Users\Administrator\Desktop\Sample.pptx")

            'Get the SaveToPdfOption object
            Dim options As SaveToPdfOption = ppt.SaveToPdfOption
            'Set the conformance level of the converted PDF
            options.PdfConformanceLevel = PdfConformanceLevel.Pdf_A1A

            'Save the presentation to PDF format
            ppt.SaveToFile("PptToPdfWithAdvancedOption.pdf", Spire.Presentation.FileFormat.PDF)
            ppt.Dispose()
        End Sub
    End Class
End Namespace

Convert a Specific PowerPoint Slide to PDF in C# and VB.NET

To convert a specific slide in a PowerPoint presentation to PDF, you can use the ISlide.SaveToFile(string fileName, FileFormat.PDF) method.

The following are the conversion steps:

• Create an instance of the Presentation class.
• Load the PowerPoint presentation using Presentation.LoadFromFile(string fileName) method.
• Access a specific slide by its index using Presentation.Slides[int] property.
• Save the slide to PDF using ISlide.SaveToFile(string fileName, FileFormat.PDF) method.

C#

using Spire.Presentation;

namespace ConvertSpecificSlideToPdf
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize an instance of the Presentation class
            Presentation ppt = new Presentation();
            //Load a PowerPoint Presentation
            ppt.LoadFromFile("C:\\Users\\Administrator\\Desktop\\Sample.pptx");

            //Get the first slide
            ISlide slide = ppt.Slides[0];

            //Save the slide to PDF
            slide.SaveToFile("SlideToPdf.pdf", Spire.Presentation.FileFormat.PDF);
            ppt.Dispose();
        }
    }
}

VB.NET

Imports Spire.Presentation

Namespace ConvertSpecificSlideToPdf
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            'Initialize an instance of the Presentation class
            Dim ppt As Presentation = New Presentation()
            'Load a PowerPoint Presentation
            ppt.LoadFromFile("C:\Users\Administrator\Desktop\Sample.pptx")

            'Get the first slide
            Dim slide As ISlide = ppt.Slides(0)

            'Save the slide to PDF
            slide.SaveToFile("SlideToPdf.pdf", Spire.Presentation.FileFormat.PDF)
            ppt.Dispose()
        End Sub
    End Class
End Namespace

Convert PDF to PowerPoint in C# and VB.NET

The PdfDocument class in the library is used to work with PDF files. To convert a PDF file to PowerPoint, you just need to load the PDF file and then use the PdfDocument.SaveToFile(string fileName, FileFormat.PPTX) method to save it to PowerPoint PPTX format. The following are the conversion steps:

• Initialize an instance of the PdfDocument class.
• Load the PDF file using PdfDocument.LoadFromFile(string fileName) method.
• Save the PDF to PowerPoint PPTX format using PdfDocument.SaveToFile(string fileName, FileFormat.PPTX) method.

C#

using Spire.Pdf;

namespace ConvertPdfToPptx
{
    class Program
    {
        static void Main(string[] args)
        {
            //Initialize an instance of the Presentation class
            PdfDocument pdf = new PdfDocument();
            //Load a PDF file
            pdf.LoadFromFile("C:\\Users\\Administrator\\Desktop\\Sample.pdf");

            //Save the PDF to PPTX document
            pdf.SaveToFile("PdftoPowerPoint.pptx", Spire.Pdf.FileFormat.PPTX);
            pdf.Close();
            pdf.Dispose();
        }
    }
}

VB.NET

Imports Spire.Pdf

Namespace ConvertPdfToPptx
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            'Initialize an instance of the Presentation class
            Dim pdf As PdfDocument = New PdfDocument()
            'Load a PDF file
            pdf.LoadFromFile("C:\Users\Administrator\Desktop\Sample.pdf")

            'Save the PDF to PPTX document
            pdf.SaveToFile("PdftoPowerPoint.pptx", Spire.Pdf.FileFormat.PPTX)
            pdf.Close()
            pdf.Dispose()
        End Sub
    End Class
End Namespace

Input PDF

Converted PowerPoint presentation