HTML to PDF Conversion

In this article, you will find information on how to convert an HTML to PDF and how to use PdfSaveOptions and ICreateStreamProvider parameters.

The static methods of the Converter class are primarily used as the easiest way to convert an HTML code into various formats. You can convert HTML to PDF in your C# application literally with a single line of code!

The next example explains how to convert HTML to PDF by line by line:

  1. Load the HTML file using HtmlDocument class.
  2. Create an instance of PdfSaveOptions.
  3. Use the ConvertHTML() method of Converter class to save HTML as a PDF file. You need to pass the HTMLDocumentPdfSaveOptions, and output file path to the ConvertHTML() method to convert HTML to PDF.

Save Options

PdfSaveOptions allows you to customize the rendering process. You can specify the page sizemarginsfile permissionsCSS media-type, etc. The following example shows how to use PdfSaveOptions and create a PDF file with custom page-size and background color:

Please note that you cannot set values against the Application and Producer fields, because Aspose Ltd. and Aspose.HTML for .NET x.x.x will be displayed against these fields.

To learn more about PdfSaveOptions please read Fine-Tuning Converters article.

Output Stream Providers

If it is required to save files in the remote storage (e.g., cloud, database, etc.) you can implement ICreateStreamProvider interface to have manual control over the file creating process. This interface designed as a callback object to create a stream at the beginning of the document/page (depending on the output format) and release the early created stream after rendering document/page.

The example below shows how to implement and use the your own MemoryStreamProvider in the application: