Convert HTM to XLSX in C# .NET or via Online HTM Converter

Convert HTM to XLSX in C#

Follow these simple steps for HTM to XLSX conversion in .NET. View the converted XLSX document as it is or render and display it as HTML, PDF or an image file without using any external software.

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

Create Converter object to convert HTM document
Set the convert options for XLSX format
Call Convert method of Converter class instance for conversion to XLSX
Set options for PDF (PdfViewOptions), JPG (JpgViewOptions), PNG (PngViewOptions) or HTML (HtmlViewOptions) viewer
Create Viewer object to view converted XLSX as HTML, PDF or image

Free App for HTM to XLSX 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.html"))
	{
	var convertOptions = converter.GetPossibleConversions()["docx"].ConvertOptions;

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

	HtmlViewOptions viewOptions = HtmlViewOptions.ForEmbeddedResources("output{0}.html");

	using (Viewer viewer = new Viewer("output.docx"))
	{
	viewer.View(viewOptions);
	}

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

Convert HTM to PDF in C# .NET

Accurately convert your web document (HTM) to PDF within any type of .NET (C#, ASP.NET, VB.NET and .NET Core) applications in three simple lines of .NET code.

Converting to HTM files is also supported using advanced options such as fixed layout to accurately position HTML elements and managing the zoom level of the converted XLSX document in percentage.

Load the source HTM file
Set the convert options for PDF format
Convert HTM to PDF format

HTM Data Extraction API

Enhance your .NET applications with our powerful HTM document information extraction feature. Not only can developers retrieve basic information about HTM files, but they can also access valuable data specific to file formats. Imagine being able to retrieve project start and end dates from Microsoft Project files, identify printing restrictions in PDF documents, and gather a comprehensive list of folders within Outlook data files. With our advanced document analysis capabilities, your application will have the ability to extract meaningful insights through efficient information retrieval. Empower your development with fluency and engage your users with deeper insights.

Convert HTM and other commonly used document formats with ease, regardless of the operating system you’re using - whether it’s Windows, Linux, or macOS. Streamline your HTM document conversion process by utilizing platforms like Windows Azure, Mono, and Xamarin, which are designed for smooth cross-platform integration.

	// 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.html"))
	{
	PdfConvertOptions options = new PdfConvertOptions();

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

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

Frequently Asked Questions (FAQs)

Can I convert HTM files to XLSX online without paying anything?

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

How do I convert HTM files to XLSX using C# code?

Converting HTM files to XLSX 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 HTM installed to perform HTM-to-XLSX conversions with C#?

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

How quickly does your online HTM-to-XLSX 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 HTM files.

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

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

Can I automate the HTM-to-XLSX conversion on my own servers?

Definitely! You can automate the HTM-to-XLSX 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 HTM files for online XLSX 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 HTM sheets into a single XLSX using C#?

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

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

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

Does the HTM to XLSX API work with .NET Core, .NET 5 and newer versions?

Absolutely. Our HTM-to-XLSX 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 XLSXs created from HTM files?

Yes. Conholdate.Total provides convenient features to enhance your XLSX documents. You can add watermarks for branding or confidentiality, apply password protection, and even customize other XLSX 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 HTM files to XLSX in .NET?

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

What are the licensing costs for Conholdate.Total’s HTM to XLSX 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.