Convert PDF file to HTML file in C# and .NET


Complete code

using System;
using System.IO;
using SautinSoft;

namespace Sample
{
    class Sample
    {
        static void Main(string[] args)
        {
            string pdfFile = Path.GetFullPath(@"..\..\..\simple text.pdf");
            string htmlFile = "Result.html";
			
                                  // Get your free 30-day key here:   
			 // https://sautinsoft.com/start-for-free/
			
            // Convert PDF file to HTML file
            SautinSoft.PdfFocus f = new SautinSoft.PdfFocus();

            // Path (must exist) to a directory to store images after converting. Notice also to the property "ImageSubFolder".
            f.HtmlOptions.ImageFolder = Path.GetDirectoryName(htmlFile);

            // A folder (will be created by the component) without any drive letters, only the folder as "myfolder".
            f.HtmlOptions.ImageSubFolder = String.Format("{0}_images", Path.GetFileNameWithoutExtension(pdfFile));

            // Auto - the same image format as in the source PDF;
            // 'Jpeg' to make the document size less; 
            // 'PNG' to keep the highest quality, but the highest size too.
            f.EmbeddedImagesFormat = PdfFocus.eImageFormat.Auto;

            // How to store images: Inside HTML document as base64 images or as linked separate image files.
            f.HtmlOptions.IncludeImageInHtml = false;

            // Set <title>...</title>
            f.HtmlOptions.Title = String.Format("This HTML was converted from {0}.", Path.GetFileName(pdfFile));

            f.OpenPdf(pdfFile);

            if (f.PageCount > 0)
            {
                int res = f.ToHtml(htmlFile);

                // Open the result for demonstration purposes.
                if (res == 0)
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(htmlFile) { UseShellExecute = true });
            }
        }
    }
}

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Imports System
Imports System.IO
Imports SautinSoft

Namespace Sample
    Friend Class Sample
        Shared Sub Main(ByVal args() As String)
            Dim pdfFile As String = Path.GetFullPath("..\..\..\simple text.pdf")
            Dim htmlFile As String = "Result.html"
			
	                                ' Get your free 30-day key here: 
		    ' SautinSoft.PdfFocus.SetLicense("1234567890")
		
            ' Convert PDF file to HTML file
            Dim f As New SautinSoft.PdfFocus()

            ' Path (must exist) to a directory to store images after converting. Notice also to the property "ImageSubFolder".
            f.HtmlOptions.ImageFolder = Path.GetDirectoryName(htmlFile)

            ' A folder (will be created by the component) without any drive letters, only the folder as "myfolder".
            f.HtmlOptions.ImageSubFolder = String.Format("{0}_images", Path.GetFileNameWithoutExtension(pdfFile))

            ' Auto - the same image format as in the source PDF;
            ' 'Jpeg' to make the document size less; 
            ' 'PNG' to keep the highest quality, but the highest size too.
            f.EmbeddedImagesFormat = PdfFocus.eImageFormat.Auto

            ' How to store images: Inside HTML document as base64 images or as linked separate image files.
            f.HtmlOptions.IncludeImageInHtml = False

            ' Set <title>...</title>
            f.HtmlOptions.Title = String.Format("This HTML was converted from {0}.", Path.GetFileName(pdfFile))

            f.OpenPdf(pdfFile)

            If f.PageCount > 0 Then
                Dim res As Integer = f.ToHtml(htmlFile)

                ' Open the result for demonstration purposes.
                If res = 0 Then
                    System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(htmlFile) With {.UseShellExecute = True})
                End If
            End If
        End Sub
    End Class
End Namespace

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We are developing .Net components since 2002. We know PDF, DOCX, RTF, HTML, XLSX and Images formats. If you need any assistance with creating, modifying or converting documents in various formats, we can help you. We will write any code example for you absolutely free.