C#/VB.NET: Convert PDF to SVG

SVG (Scalable Vector Graphics) is an image file format used for rendering two-dimensional images on the web. Comparing with other image file formats, SVG has many advantages such as supporting interactivity and animation, allowing users to search, index, script, and compress/enlarge images without losing quality. Occasionally, you may need to convert PDF files to SVG file format, and this article will demonstrate how to accomplish this task using Spire.PDF for .NET.

Install Spire.PDF for .NET

To begin with, you need to add the DLL files included in the Spire.PDF for.NET package as references in your .NET project. The DLLs files can be either downloaded from this link or installed via NuGet.

PM> Install-Package Spire.PDF

Convert a PDF File to SVG in C#/VB.NET

Spire.PDF for .NET offers the PdfDocument.SaveToFile(String, FileFormat) method to convert each page in a PDF file to a single SVG file. The detailed steps are as follows.

  • Create a PdfDocument object.
  • Load a sample PDF file using PdfDocument.LoadFromFile() method.
  • Convert the PDF file to SVG using PdfDocument.SaveToFile(String, FileFormat) method.
  • C#
  • VB.NET
using Spire.Pdf;

namespace ConvertPDFtoSVG
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a PdfDocument object
            PdfDocument document = new PdfDocument();

            //Load a sample PDF file
            document.LoadFromFile("input.pdf");

            //Convert PDF to SVG
            document.SaveToFile("PDFtoSVG.svg", FileFormat.SVG);
        }
    }
}

C#/VB.NET: Convert PDF to SVG

Convert Selected PDF Pages to SVG in C#/VB.NET

The PdfDocument.SaveToFile(String, Int32, Int32, FileFormat) method allows you to convert the specified pages in a PDF file to SVG files. The detailed steps are as follows.

  • Create a PdfDocument object.
  • Load a sample PDF file using PdfDocument.LoadFromFile() method.
  • Convert selected PDF pages to SVG using PdfDocument.SaveToFile(String, Int32, Int32, FileFormat) method.
  • C#
  • VB.NET
using Spire.Pdf;

namespace PDFPagetoSVG
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a PdfDocument object
            PdfDocument doc = new PdfDocument();

            //Load a sample PDF file
            doc.LoadFromFile("input.pdf");

            //Convert selected PDF pages to SVG
            doc.SaveToFile("PDFPagetoSVG.svg", 1, 2, FileFormat.SVG);
        }
    }
}

C#/VB.NET: Convert PDF to SVG

Convert a PDF File to SVG with Custom Width and Height in C#/VB.NET

The PdfConvertOptions.SetPdfToSvgOptions() method offered by Spire.PDF for .NET allows you to specify the width and height of output SVG file. The detailed steps are as follows.

  • Create a PdfDocument object.
  • Load a sample PDF file using PdfDocument.LoadFromFile() method.
  • Set PDF convert options using PdfDocument.ConvertOptions property.
  • Specify the width and height of output SVG file using PdfConvertOptions.SetPdfToSvgOptions() method.
  • Convert the PDF file to SVG using PdfDocument.SaveToFile() method.
  • C#
  • VB.NET
using Spire.Pdf;

namespace PDFtoSVG
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a PdfDocument object
            PdfDocument document = new PdfDocument();

            //Load a sample PDF file
            document.LoadFromFile("input.pdf");

            //Specify the width and height of output SVG file
            document.ConvertOptions.SetPdfToSvgOptions(800f, 1200f);

            //Convert PDF to SVG
            document.SaveToFile("result.svg", FileFormat.SVG);
        }
    }
}

C#/VB.NET: Convert PDF to SVG

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