Convert WORD to HTML in C# .NET

Follow these simple steps for WORD to HTML conversion in .NET. View the converted HTML document as it is or render and display it as HTML without using any external software or .NET Word library.

Get the respective assembly files from the downloads or fetch the whole package from NuGet to add Conholdate.Total for .NET directly in your workspace.

Create Converter object to convert WORD document
Set the convert options for HTML format
Call Convert method of Converter class instance for conversion to HTML
Set options for HTML viewer
Create Viewer object to view converted HTML as HTML

Free App for WORD to HTML Conversion

	// Supports converting documents between Word, Excel, PowerPoint, Project, Images, Web, Email, Metafiles and Diagram file formats.
	// Supported file formats: https://docs.groupdocs.com/conversion/net/supported-document-formats/
	using (Converter converter = new Converter("input.docx"))
	{
	var convertOptions = converter.GetPossibleConversions()["pdf"].ConvertOptions;

	converter.Convert("output.pdf", convertOptions);
	}

view raw word-to-pdf-conversion.cs hosted with ❤ by GitHub

Convert WORD to HTML & Add Watermark

Accurately convert documents (WORD to HTML) exactly as the original file and apply text or image watermarks to HTML pages using .NET document processing API for Word documents.

Create Converter object to convert WORD document
Create new instance of WatermarkOptions class
Specify watermark properties (color, width, text, image etc)
Instantiate the proper ConvertOptions class
Set Watermark property of the ConvertOptions instance
Call Convert method of Converter class instance for conversion to HTML

Load WORD with Advanced Options

During the file conversion process, a wide range of modifications can be made to suit your specific needs. These include specifying passwords for password-protected documents, showing or hiding document comments and annotations, displaying markup and track changes for Word documents, and more.

Additionally, Excel files can have hidden spreadsheets made visible and text file encoding can be set. The Conholdate.Total for .NET API makes it easy to customize your document conversion process with these advanced options.

	// Supports converting documents and adding watermarks to 100+ file formats including Word, Excel, PowerPoint, Project, Images, Web, Email, Metafiles and Diagrams
	// Supported file formats: https://docs.groupdocs.com/conversion/net/supported-document-formats/
	using (Converter converter = new Converter("input.docx"))
	{
	WatermarkOptions watermark = new WatermarkOptions
	{
	Text = "Sample watermark",
	Color = Color.Red,
	Width = 100,
	Height = 100,
	Background = true
	};

	PdfConvertOptions options = new PdfConvertOptions
	{
	Watermark = watermark
	};

	converter.Convert("output.pdf", options);
	}

view raw convert-word-to-pdf-and-add-text-watermark-to-converted-pdf.cs hosted with ❤ by GitHub

Convert Password Protected WORD to PDF

Easily convert password-protected WORD to PDF in .NET with Conholdate.Total APIs. No external software needed. Just a few lines of C# code for precise conversion.

Define LoadOptions and set password from document specific load options
Create Converter object to convert WORD document
Instantiate PdfConvertOptions class
Call Convert method of Converter class instance for conversion to PDF

Load & Convert Cloud WORD Docs

Using Conholdate.Total for .NET – developers can load and convert WORD documents from various remote locations and cloud document storage resources such as Amazon S3, Microsoft Azure Blob, FTP, local disk, stream or a simple URL. You just have to specify the method to obtain remotely located document stream and then pass it on to the Converter class as a constructor.

Conholdate.Total for .NET APIs are native to Windows Forms, ASP.NET, WPF, WCF or any type of application based on .NET Framework 2.0, .NET Core 2.1 or .NET 5 and higher.

	// Supports converting documents and adding watermarks to 100+ file formats including Word, Excel, PowerPoint, Project, Images, Web, Email, Metafiles and Diagrams
	// Supported file formats: https://docs.groupdocs.com/conversion/net/supported-document-formats/
	Contracts.Func<LoadOptions> getLoadOptions = () => new WordProcessingLoadOptions
	{
	Password = "12345"
	};

	using (Converter converter = new Converter("sample_with_password.docx", getLoadOptions))
	{
	PdfConvertOptions options = new PdfConvertOptions();

	converter.Convert("converted.pdf, options);
	}

view raw convert-password-protected-word-to-pdf.cs hosted with ❤ by GitHub

Frequently Asked Questions (FAQs)

Can I convert WORD files to HTML online without paying anything?

Yes. You can easily convert WORD files to HTML online using our completely free converter. It requires no software installation or user registration. Just upload your file, convert and download your HTML.

How do I convert WORD files to HTML using C# code?

Converting WORD files to HTML using C# is straightforward with the Conholdate.Total for .NET APIs. We provide practical, ready-to-use code samples and clear documentation to simplify the integration into your applications.

Do I need to have Microsoft WORD installed to perform WORD-to-HTML conversions with C#?

No. you don’t need Microsoft WORD installed. Conholdate.Total APIs operate independently, allowing you to convert WORD documents directly to HTML format within your .NET applications without WORD itself.

How quickly does your online WORD-to-HTML converter work?

Our online converter is built for speed and efficiency. Most conversions take just a few seconds—even when dealing with larger or more complex WORD files.

Will the online converter preserve formulas and hyperlinks from my WORD files?

Our online WORD-to-HTML converter keeps all your hyperlinks, images, charts and formatting intact. However, WORD formulas are converted into their resulting values in the final HTML, ensuring an accurate and readable document.

Can I automate the WORD-to-HTML conversion on my own servers?

Definitely. You can automate the WORD-to-HTML conversion process using Conholdate.Total for .NET. It’s perfect for handling batch jobs, scheduled conversions, or integrating seamlessly into your backend workflows.

Is it safe to upload my WORD files for online HTML conversion?

Your security and privacy are extremely important to us. Uploaded files are securely processed and automatically deleted from our servers shortly afterward, ensuring your data remains confidential.

Can I convert several WORD sheets into a single HTML using C#?

Yes, you can. Conholdate.Total allows you to select and combine multiple sheets from your WORD workbook into a single HTML document effortlessly.

Does Conholdate.Total for .NET support batch WORD files conversion to other formats?

Yes. Conholdate.Total for .NET supports batch conversion of WORD documents, allowing developers to convert multiple files at once.

Does the WORD to HTML API work with .NET Core, .NET 5 and newer versions?

Absolutely. Our WORD-to-HTML conversion API supports all modern .NET frameworks, including .NET Core, .NET 5, .NET 6, and even .NET 7. This gives you flexibility regardless of your project environment.

Can I add watermarks or passwords to HTMLs created from WORD files?

Yes. Conholdate.Total provides convenient features to enhance your HTML documents. You can add watermarks for branding or confidentiality, apply password protection, and even customize other HTML security settings easily during the conversion process.

What file formats for documents and images are supported by Conholdate.Total for .NET?

Conholdate.Total for .NET integrates APIs from Aspose and GroupDocs to enable .NET programmers to perform various document manipulation actions on a wide range of file formats including Word, Excel, PDF, PowerPoint, Visio, HTML and images in .NET, C#, ASP.NET and VB.NET applications.

Can I convert password-protected WORD files to HTML in .NET?

Yes. Conholdate.Total for .NET supports the conversion of password-protected WORD files. With built-in methods to handle encrypted documents, you can securely convert sensitive files to HTML while preserving their confidentiality and integrity.

What are the licensing costs for Conholdate.Total’s WORD to HTML conversion API?

Conholdate.Total for .NET offers a fully functional free trial version for 30 days. Paid plans are available for higher usage levels. Developers should carefully review the pricing and licensing terms before using the document conversion API.

What is WORD file format?

A word-processing file format is a specific type of computer file format designed to store textual and visual information used in word processing and desktop publishing tasks. It encompasses text, images, tables, and various formatting elements essential for document creation. Popular word-processing file formats are extensively utilized in both personal and professional settings.

The Microsoft Word .docx file format is widely recognized and preferred due to its comprehensive features and structured document storage. Developed by Microsoft, this proprietary format ensures efficient handling of documents, making it a top choice for individuals and organizations alike.

In contrast, the OpenDocument Format (ODF) is an open standard managed by the Organization for the Advancement of Structured Information Standards (OASIS). This format promotes interoperability across platforms and applications, making it ideal for those seeking document compatibility and collaboration capabilities.

While .docx and ODF are the primary word-processing file formats, several alternatives exist. Rich Text Format (RTF), HTML, and other formats offer unique features and functionalities. The selection of a specific format depends on individual requirements and preferences.

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What is HTML file format?

HTML (Hypertext Markup Language) is the fundamental markup language that powers the creation of web pages. It serves as the building block for websites and is responsible for structuring the content, including text, images, audio, and video. HTML, in conjunction with CSS (Cascading Style Sheets), forms the backbone of digital documents on the internet.

In web development, HTML files work hand in hand with CSS files to create visually appealing and well-organized web pages. HTML files contain the markup that defines the structure of the document, while CSS files handle the styling and formatting of the HTML elements. HTML markup is written using tags, which instruct the web browser on how to interpret and display the content. Common HTML tags include HEAD, BODY, TITLE, H1, and P. HTML files are typically saved with a .html file extension and can be opened in web browsers, where they are rendered as web pages. They can also be viewed and edited using text editors like Notepad++ or Sublime Text.

The collaboration between HTML and CSS is essential for creating appealing and functional web pages. HTML provides the underlying structure, defining the layout, headings, paragraphs, links, and other elements that make up a webpage. CSS, on the other hand, allows developers to apply styling rules and visual enhancements, such as colors, fonts, margins, and positioning, to the HTML elements. This separation of structure (HTML) and presentation (CSS) enables efficient design changes and consistent styling across multiple web pages.

HTML is the cornerstone of the web, enabling the creation of interactive and accessible content that can be viewed in web browsers. It forms the foundation for other web technologies, such as JavaScript, which adds interactivity and dynamic behavior to web pages. HTML’s standardized syntax and wide browser support make it a universal language for web development.

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