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Convert HTML to XLSX in C# .NET Core

Convert HTML to XLSX in .NET & try our free online tool. Conholdate.Total .NET API offers programmatic HTML to XLSX conversion in C# and .NET, supporting formats like Word, Excel, PDF, images, eBook, and more without Microsoft Office. Convert specific HTML pages, auto-detect formats, and load password-protected HTML files. Try our free online converter today!

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Convert HTML to XLSX in C#

Follow these simple steps for HTML 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 HTML 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 HTML to XLSX Conversion



Convert HTML to PDF in C# .NET

Accurately convert your web document (HTML) 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 HTML 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 HTML file
  • Set the convert options for PDF format
  • Convert HTML to PDF format

HTML Data Extraction API

Enhance your .NET applications with our powerful HTML document information extraction feature. Not only can developers retrieve basic information about HTML 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 HTML 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 HTML document conversion process by utilizing platforms like Windows Azure, Mono, and Xamarin, which are designed for smooth cross-platform integration.


Frequently Asked Questions

Are there any demos or code examples available to assist me in getting started with HTML to XLSX conversion?

The Conholdate.Total for .NET platform offers various options for demonstrating HTML and other web format conversion projects. It can be integrated with ASP.NET Web Forms, MVC, or Docker. Developers have the choice of using high-level code examples from GroupDocs or more detailed examples from Aspose. The GroupDocs.Conversion examples are suitable for both front-end and backend implementation. Alternatively, users can create their own projects with HTML to XLSX conversion features using Visual Studio or the .NET CLI.

Which APIs are used for the conversion of HTML to XLSX in the provided code snippets?

Conholdate.Total for .NET integrates a comprehensive range of .NET APIs from Aspose and GroupDocs. Developers have the flexibility to select different APIs for converting HTML to XLSX. To simplify the process, the provided code snippets showcase the usage of GroupDocs.Conversion for .NET.

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

Conholdate.Total for .NET seamlessly integrates APIs from Aspose and GroupDocs, enabling .NET programmers to perform a wide range of document manipulation and conversion operations on HTML and various other file formats. Supported formats include Word, Excel, PDF, PowerPoint, Visio, HTML, and images in .NET, C#, ASP.NET, and VB.NET applications. Learn more about the supported file formats here.

Is it possible to use Conholdate.Total for .NET APIs for batch conversion of DOT documents to other file formats?

Yes, Conholdate.Total for .NET enables developers to perform batch conversion of HTML documents, enabling the conversion of multiple HTML files at once.

Are there any licensing or cost implications when utilizing the HTML to XLSX conversion API?

The Conholdate.Total for .NET offers a free trial version for 30 days, allowing developers to fully explore its functionality. Additionally, paid plans are available for higher usage levels. Prior to utilizing the document conversion API, it is important for developers to carefully review the pricing and licensing terms to ensure compliance and suitability for their needs.

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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What is XLSX file format?

The XLSX file format is a widely used file format for storing spreadsheet data. It was introduced by Microsoft as part of their Microsoft Office suite, specifically for the Excel application. XLSX stands for Excel Open XML Spreadsheet. Unlike its predecessor, the XLS format, which was based on a proprietary binary file structure, XLSX is based on the Open XML file format.

XLSX files are structured as a collection of XML files compressed into a single ZIP archive. This XML-based structure allows for more efficient storage and faster data processing. XLSX files store data in a tabular format, with rows and columns that can contain text, numbers, formulas, and other types of data. They also support formatting options such as cell styles, fonts, colors, and conditional formatting.

One of the advantages of the XLSX format is its compatibility across different platforms and software applications. Many spreadsheet programs, including Microsoft Excel, Google Sheets, and LibreOffice Calc, can open and edit XLSX files. This makes it easy to share and collaborate on spreadsheet data with others, regardless of the software they are using.

XLSX files also offer features like data validation, filtering, sorting, and the ability to create charts and graphs based on the data. Additionally, XLSX files can contain multiple sheets within a single file, allowing users to organize and manage different sets of data within a single document.

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Popular HTML Conversion Options with .NET

Convert HTML to PDF

(Portable Document Format)

Convert HTML to WORD

(Word Processing Files)

Convert HTML to EXCEL

(Spreadsheet Files)

Convert HTML to IMAGE

(Digital Image Files)

Convert HTML to DOC

(Microsoft Word Binary Format)

Convert HTML to DOCM

(Microsoft Word 2007 Marco File)

Convert HTML to DOCX

(Office 2007+ Word Document)

Convert HTML to DOT

(Microsoft Word Template Files)

Convert HTML to DOTM

(Microsoft Word 2007+ Template File)

Convert HTML to DOTX

(Microsoft Word Template File )

Convert HTML to RTF

(Rich Text Format)

Convert HTML to TXT

(Text Document)

Convert HTML to RTF

(Rich Text Format)

Convert HTML to HTML

(Hyper Text Markup Language)

Convert HTML to HTM

(Hypertext Markup Language File)

Convert HTML to MHT

(MHTML Web Archive)

Convert HTML to MHTML

(Web Page Archive Format)

Convert HTML to XLS

(Microsoft Excel Spreadsheet (Legacy))

Convert HTML to XLSX

(Open XML Workbook)

Convert HTML to XLSM

(Macro-enabled Spreadsheet)

Convert HTML to XLSB

(Excel Binary Workbook)

Convert HTML to XLT

(Excel 97 - 2003 Template)

Convert HTML to XLTX

(Excel Template)

Convert HTML to XLTM

(Excel Macro-Enabled Template)

Convert HTML to TSV

(Tab Seperated Values)

Convert HTML to CSV

(Comma Seperated Values)

Convert HTML to XLAM

(Excel Macro-Enabled Add-In)

Convert HTML to FODS

(OpenDocument Flat XML Spreadsheet)

Convert HTML to DIF

(Data Interchange Format)

Convert HTML to SXC

(StarOffice Calc Spreadsheet)

Convert HTML to PPT

(Microsoft PowerPoint 97-2003)

Convert HTML to PPTX

(Open XML presentation Format)

Convert HTML to PPTM

(Macro-enabled Presentation File)

Convert HTML to PPS

(PowerPoint Slide Show)

Convert HTML to PPSX

(PowerPoint Slide Show)

Convert HTML to PPSM

(Macro-enabled Slide Show)

Convert HTML to POT

(Microsoft PowerPoint Template Files)

Convert HTML to POTX

(Microsoft PowerPoint Template Presentation)

Convert HTML to POTM

(Microsoft PowerPoint Template File)

Convert HTML to ODT

(OpenDocument Text File Format)

Convert HTML to OTT

(OpenDocument Standard Format)

Convert HTML to OTP

(OpenDocument Standard Format)

Convert HTML to ODP

(OpenDocument Presentation Format)

Convert HTML to ODS

(OpenDocument Spreadsheet)

Convert HTML to PSD

(Photoshop Document)

Convert HTML to PSB

(Photoshop Large Document Format)

Convert HTML to SVG

(Scalar Vector Graphics)

Convert HTML to SVGZ

(Compressed Scalable Vector Graphics)

Convert HTML to XPS

(XML Paper Specifications)

Convert HTML to TEX

(LaTeX Source Document)

Convert HTML to BMP

(Bitmap Image File)

Convert HTML to PNG

(Portable Network Graphic)

Convert HTML to GIF

(Graphical Interchange Format)

Convert HTML to JPEG

(Joint Photographic Expert Group Image)

Convert HTML to JPG

(Joint Photographic Expert Group Image)

Convert HTML to TIFF

(Tagged Image File Format)

Convert HTML to WEBP

(Raster Web Image Format)

Convert HTML to JP2

(JPEG 2000 Core Image)

Convert HTML to DCM

(DICOM Image)

Convert HTML to WMF

(Windows Metafile)

Convert HTML to EMZ

(Windows Compressed Enhanced Metafile)

Convert HTML to WMZ

(Compressed Windows Metafile)

Convert HTML to TGA

(Truevision Graphics Adapter)

Convert HTML to MD

(Markdown Language)

Convert HTML to EPUB

(Open eBook File)

Convert HTML to FODP

(Formula One for Data Presentation)

Convert HTML to DICOM

(Digital Imaging & Communications)

Convert HTML to MOBI

(Mobipocket eBook Format)

Convert HTML to AZW3

(Amazon KF8 eBook File)

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