Convert HTML to PDF with New Plugin

Converting HTML to PDF with C# PDF component is so important that we always try our best to improve our Spire.PDF better and better. We aim to make it is much more convenient for our developers to use. Now besides the previous method of converting HTML to PDF offered by Spire.PDF, we have a new plugin for html conversion to PDF. This section will focus on the new plugin of convert HTML to PDF. With this new plugin, we support to convert the HTML page with rich elements, such as HTTPS, CSS3, HTML5, JavaScript.

You need to download Spire.PDF and install it on your system, add Spire.PDF.dll as reference in the downloaded Bin folder thought the below path '..\Spire.PDF\Bin\NET4.0\Spire.PDF.dll'. And for gain the new plugin, you could get the new plugin from the download file directly: windows-x86.zip windows-x64.zip macosx_x64.zip linux_x64.tar.gz .

On Windows system, you need to unzip the convertor plugin package and copy the folder 'plugins' under the same folder of Spire.Pdf.dll. Before you use QT plugin for converting HTML to PDF, please ensure you have installed Microsoft Visual C++ 2015 Redistributable on your computer.

On Mac and Linux system, you need to copy the zip file under the system and then unzip the convertor plugin package there to use the plugins successfully.

C# HtmlToPdf.zip and VB.NET HtmlToPdfVB.zip, you could download and try it.

Calling the plugins is very simple, please check the below C# code for convert HTML to PDF.

[C#]

using System.Drawing;
using Spire.Pdf.Graphics;
using Spire.Pdf.HtmlConverter.Qt;

namespace SPIREPDF_HTMLtoPDF
{
    class Program
    {
        static void Main(string[] args)
        {
            HtmlConverter.Convert("http://www.wikipedia.org/", "HTMLtoPDF.pdf",
                
                //enable javascript
                true,

                //load timeout
                100 * 1000,

                //page size
                new SizeF(612, 792),

                //page margins
                new PdfMargins(0, 0));
            System.Diagnostics.Process.Start("HTMLtoPDF.pdf");
        }
    }
}

[VB.NET]

Imports System.Drawing
Imports Spire.Pdf.Graphics
Imports Spire.Pdf.HtmlConverter.Qt

Module Module1

    Sub Main()
        HtmlConverter.Convert("http://www.wikipedia.org/", "HTMLtoPDF.pdf", True, 100 * 1000, New SizeF(612, 792), New PdfMargins(0, 0))
        System.Diagnostics.Process.Start("HTMLtoPDF.pdf")
    End Sub

End Module

Please check the effective screenshot as below:

HTML_to_PDF_c#

The following sample will focus on the new plugin of convert HTML string to PDF.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Spire.Pdf;
using System.IO;
using Spire.Pdf.HtmlConverter;
using System.Drawing;
namespace HTMLToPDFwithPlugins
{
    class Program
    {
        static void Main(string[] args)
        {
            string input =@"<strong>This is a test for converting HTML string to PDF </strong>
                 <ul><li>Spire.PDF supports to convert HTML in URL into PDF</li>
                 <li>Spire.PDF supports to convert HTML string into PDF</li>
                 <li>With the new plugin</li></ul>";
         
            string outputFile = "ToPDF.pdf";

            Spire.Pdf.HtmlConverter.Qt.HtmlConverter.Convert(input,

            outputFile,
            //enable javascript
            true,
            //load timeout
            10 * 1000,
            //page size
            new SizeF(612, 792),
            //page margins
            new Spire.Pdf.Graphics.PdfMargins(0),
            //load from content type
            LoadHtmlType.SourceCode
            );
            System.Diagnostics.Process.Start(outputFile);
        }
    }
}

Effective screenshot:

HTML_to_PDF_c#

Convert HTML to PDF with New Plugin

See Also