How to convert an A4 size PDF to a PDF booklet in WinForms?
Syncfusion Essential® PDF is a .NET PDF Library used to create, read, and edit PDF documents. Using this library, you can convert A4 size PDF to a PDF booklet using C# and VB.NET.
Steps to convert A4 size PDF to a PDF booklet programmatically:
- Create a new C# Windows Forms application project.
- Install the Syncfusion.Pdf.WinForms NuGet package as reference to your .NET Framework application from NuGet.org.
- Include the following namespaces in the Form1.Designer.cs file.
C#
using Syncfusion.Pdf; using Syncfusion.Pdf.Parsing;
VB.NET
Imports Syncfusion.Pdf Imports Syncfusion.Pdf.Parsing
- Use the following code snippet to convert A4 size PDF to a PDF booklet.
C#
//Load a PDF document
PdfLoadedDocument ldoc = new PdfLoadedDocument("input.pdf");
//Create booklet with two sides and with A4 size
PdfDocument pdf = PdfBookletCreator.CreateBooklet(ldoc, PdfPageSize.A4, true);
//Save and close the document
pdf.Save("PDFBooklet.pdf");
pdf.Close(true);
//Close the loaded PDF document
ldoc.Close(true);
VB.NET
'Load a PDF document
Dim ldoc As PdfLoadedDocument = New PdfLoadedDocument("input.pdf")
'Create booklet with two sides and with A4 size
Dim pdf As PdfDocument = PdfBookletCreator.CreateBooklet(ldoc, PdfPageSize.A4, True)
'Save and close the document
pdf.Save("PDFBooklet.pdf")
pdf.Close(True)
'Close the loaded PDF document
ldoc.Close(True)
A complete working sample can be downloaded from Convert_A4PDF_To_PDFBooklet.zip.
By executing the program, you will get the PDF document as follows. 
Refer here to explore the rich set of Syncfusion Essential® PDF features.
An online sample link to create a booklet from the existing PDF document.
Note:
Starting with v16.2.0.x, if you reference Syncfusion® assemblies from the trial setup or the NuGet feed, include a license key in your projects. Refer to the link to learn about generating and registering the Syncfusion® license key in your application to use the components without a trial message.
Conclusion:
I hope you enjoyed learning about how to convert an A4 size PDF to a PDF booklet in WinForms.
You can refer to our Flutter PDF feature tour page to learn about its other groundbreaking features and documentation, and how to quickly get started with configuration specifications. You can also explore our Flutter PDF Flutter PDF examples to understand how to create and manipulate data.
For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion®, you can try our 30-day free trial to explore our other controls.
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