Convert PDF to HTML using C#

ConvertPDFtoHTML_CSharp.md

Learn how to convert PDF documents to HTML webpages using C#: https://blog.conholdate.com/2021/12/07/convert-pdf-to-html-using-csharp/

The following topics are covered in this article:

1. C# API to Convert PDF to HTML — Free Download
2. Convert PDF to HTML in C#
3. PDF to HTML Conversion with Watermark in C#
4. Convert Range of Pages from PDF to HTML in C#
5. Convert Specific Pages of PDF to HTML in C#

ConvertPDFtoHTML_CSharp_Convert.cs

// Load the source PDF file
Converter converter = new Converter(@"C:\Files\Conversion\sample.pdf");

// Set the convert options for HTML format
var options = new MarkupConvertOptions();
options.FixedLayout = true;
options.FixedLayoutShowBorders = false;

// Convert to HTML format
converter.Convert(@"C:\Files\Conversion\converted.html", options);

ConvertPDFtoHTML_CSharp_ConvertPagesRange.cs

// Load the source PDF file
Converter converter = new Converter(@"C:\Files\Conversion\sample.pdf");

// Set the convert options for HTML format
MarkupConvertOptions options = new MarkupConvertOptions();
options.PageNumber = 2; // Start page number
options.PagesCount = 3; // Total pages to convert

// Convert to HTML format
converter.Convert(@"C:\Files\Conversion\converted_pages_range.pdf", options);

ConvertPDFtoHTML_CSharp_ConvertSpecificPages.cs

// Load the source PDF file
Converter converter = new Converter(@"C:\Files\Conversion\sample.pdf");

// Set the convert options for HTML format
MarkupConvertOptions options = new MarkupConvertOptions();
options.Pages = new List<int> { 1, 3 }; // List of page numbers to convert

// Convert to HTML format
converter.Convert(@"C:\Files\Conversion\converted_specific_pages.pdf", options);

ConvertPDFtoHTML_CSharp_ConvertWithWatermark.cs

// Load the source PDF file
Converter converter = new Converter(@"C:\Files\Conversion\sample.pdf");

// Define text watermark
WatermarkOptions watermark = new WatermarkTextOptions("This is a sample watermark!")
{
    Color = Color.Red,
    Width = 500,
    Height = 100,
    Top = 0,
    Left = 300,
    Background = true
};

// Set the convert options for HTML format
MarkupConvertOptions options = new MarkupConvertOptions();
options.Watermark = watermark;

// Convert to HTML format
converter.Convert(@"C:\Files\Conversion\converted_with_watermark.html", options);