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Convert HTML to XHTML via C#

Generate XHTML from HTML source page using .NET API. Instantly convert HTML to XHTML format with our free online converter.

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Convert HTML to XHTML Using C#

XHTML was designed to be more structured, less scripting, and generic, using all the existing facilities of XML and more device-independent. To convert HTML to XHTML, we’ll use Aspose.HTML for .NET API, which is a feature-rich, powerful and easy to use document manipulation and conversion API for the C# platform. You can transform HTML to XHTML programmatically with full control over a wide range of conversion parameters. There are various cases for HTML to XHTML conversion like reading from a file, URL, WYSISYG Editor, string, or stream. Powerful C# API allows you to convert HTML to popular formats quickly and in high quality!


How to Convert HTML to XHTML in C#

The following C# example demonstrates how to convert an HTML document. There are various cases for HTML to XHTML conversion like reading from a URL / Web Page, WYSISYG Editor generated HTML or from a saved file. We describe the source code for reading HTML from a file and then converting HTML to XHTML using Save() method.

Code example in C# to convert document formats
Input file
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Output format
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Steps to Convert HTML to XHTML in C#

If you would like to consider conversion functionality in your product or you want to convert HTML to XHTML programmatically, please see the C# code example above or learn the Documentation chapter. Please take the following mandatory steps:

  1. Load an HTML document into a Document object using the HTMLDocument(string) constructor. You can load HTML from a file, HTML code, stream, or URL.
  2. Call the Save(string, HTMLSaveOptions) method.
  3. Pass the output file path with XHTML file extension.
  4. The XHTML file will be saved to the specified path.

HTML Conversion in Documentation

Converting between formats is required for various reasons: to work in a familiar, convenient format or to take advantage of different formats for specific tasks. Aspose.HTML for .NET API allows you to convert HTML to other popular formats quickly and with high quality. Please visit the documentation chapter Converting Between Formats to learn more about Aspose.HTML for .NET API conversion features. The chapter describes popular converters, as well as C# examples for the most common conversion scenarios.


Free Online Converters

Aspose.HTML offers free online Converters for converting HTML, XHTML, MHTML, EPUB, XML or Markdown documents to PDF, XPS, DOCX, JPG, PNG, BMP, TIFF, GIF, Markdown and other formats. Just upload, convert your documents and get results in a few seconds. You don’t need any additional software. Powerful C# API allows converting HTML to popular formats quickly and in high quality. Try our forceful online Converters for free now!

FAQ

1. Why convert HTML in C#?

Converting between formats is required for various reasons: to work in a familiar, convenient format or to take advantage of different formats for specific tasks. Sometimes HTML files may not be compatible with some software, and you need to convert them to another file format to open and read them.

2. What other file formats can I convert HTML to?

Aspose.HTML API provides a wide range of HTML conversions to popular formats, such as PDF, XPS, DOCX, JPEG, PNG, BMP, TIFF, GIF, and more.

3. What formats does Aspose.HTML support?

Out-of-the-box we support HTML, XHTML, SVG, EPUB, MHTML and Markdown documents. As a part of mentioned documents, we also support CSS, JavaScript, XPath and HTML5 Canvas specifications.

How to Install Aspose.HTML for .NET library

You can use several ways to install the Aspose.HTML library for .NET on your system:

  1. Install a NuGet Package using the NuGet Package Manager GUI.
  2. Install a NuGet Package using the Package Manager Console.
  3. Install Aspose.HTML for .NET through MSI.

This library supports parsing of HTML5, CSS3, SVG and HTML Canvas to construct a Document Object Model (DOM) based on the WHATWG DOM Standard. Aspose.HTML for .NET is written completely in C# and can be used to build any type of 32-bit or 64-bit .NET application including ASP.NET, WCF, WinForms & .NET Core. Before running the .NET conversion example code, make sure that you have OS like Microsoft Windows or a compatible with .NET Framework or .NET Standard, and the development environment like Microsoft Visual Studio. For more details about C# library installation and system requirements, please refer to Aspose.HTML Documentation .

HTML What is HTML File Format

HTML (HyperText Markup Language) is the standard markup language for documents created for display in browsers. The latest variant, known as HTML 5, gives a lot of flexibility for working with the language. HTML pages are either received from a server where these are hosted or can be loaded from a local system as well. Each HTML page is made up of HTML elements such as forms, text, images, animations, links, etc. These elements are represented by tags such as img, a, p and several others, where each tag has a start and end. It can also embed applications written in scripting languages such as JavaScript and Style Sheets (CSS) for overall layout representation.

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XHTML What is XHTML File Format

XHTML (eXtensible HyperText Markup Language) is a text-based file format with markup in the XML, using a reformulation of HTML 4.0. These files are well suited to be opened or viewed in a web browser. The XHTML was designed to be more structured, less scripting, generic and device-independent. It uses all the existing XML facilities and more. The XHTML provides a generally worthwhile set of elements and attributes, with extension options combined with style sheets. Specifications for HTML 4.01, HTML5 and XHTML are being dynamically developed by the World Wide Web Consortium (W3C).

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Other Supported HTML Conversions

You can also convert HTML to many other file formats:

HTML TO PDF (Portable Document Format)
HTML TO DOCX (Microsoft Word)
HTML TO XPS (XML Paper Specifications)
HTML TO BMP (Bitmap Image)
HTML TO IMAGE (Image formats)
HTML TO JPEG (JPEG Image)
HTML TO GIF (Graphical Interchange Format)
HTML TO PNG (Portable Network Graphics)
HTML TO TIFF (Tagged Image Format)
HTML TO MD (Markdown Language)
HTML TO MHTML (Web Page Archive Format)
HTML TO XHTML (Extensible HyperText Markup Language)