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Convert HTM to JSON in C# .NET Core

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

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Convert HTM to JSON in C#

Follow these simple steps for HTM to JSON conversion in .NET. View the converted JSON 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 JSON format
  • Call Convert method of Converter class instance for conversion to JSON
  • Set options for PDF (PdfViewOptions), JPG (JpgViewOptions), PNG (PngViewOptions) or HTML (HtmlViewOptions) viewer
  • Create Viewer object to view converted JSON as HTML, PDF or image

Free App for HTM to JSON Conversion



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 JSON 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.


Frequently Asked Questions (FAQs)

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

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

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

Converting HTM files to JSON 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-JSON conversions with C#?

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

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

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

Definitely! You can automate the HTM-to-JSON 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 JSON 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 JSON using C#?

Yes. you can. Conholdate.Total allows you to select and combine multiple sheets from your HTM workbook into a single JSON 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 JSON API work with .NET Core, .NET 5 and newer versions?

Absolutely. Our HTM-to-JSON 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 JSONs created from HTM files?

Yes. Conholdate.Total provides convenient features to enhance your JSON documents. You can add watermarks for branding or confidentiality, apply password protection, and even customize other JSON 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 JSON 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 JSON while preserving their confidentiality and integrity.

What are the licensing costs for Conholdate.Total’s HTM to JSON 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 HTM file format?

The HTM file format is a file format used for hypertext documents. It is similar to HTML but has additional features that make it more suitable for web-based applications, particularly for documents that include graphics, audio, and video. HTM files are written in HyperText Markup Language (HTML), a coding language for webpages.

The HTM file format allows for the use of advanced formatting and styling elements, such as tables and images, that are not supported by HTML. HTM files may also include scripting language, such as JavaScript and VBScript, and other languages such as C++, PHP, and Java.

HTM files have several advantages over HTML, including the ability to carefully control the look and design of a web page, and the possibility of incorporating interactive features. They are also more reliable than HTML as they are less likely to become corrupted or to display incorrectly in a web browser.

HTM files can be opened using any web browser, as long as it supports HTML. They can also be opened with HTML editors and other text editors, such as Notepad or TextEdit.

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What is JSON file format?

JSON, an abbreviation for JavaScript Object Notation, is a file format that offers simplicity in both reading and writing. It serves as a means to represent and store data in a format that is easily understandable by humans. As an open standard, JSON can be utilized by anyone and is compatible with a wide array of programming languages. Its common application lies in storing data within web applications and facilitating the transfer of data between various web services and applications.

One of the key advantages of JSON is its ease of parsing compared to other formats like XML. JSON’s syntax is straightforward, making it more manageable for developers to extract and interpret the data it contains. Furthermore, generating JSON files is simpler when compared to alternative text-based formats such as YAML or INI files.

JSON organizes data using attribute-value pairs, where each attribute corresponds to a specific data type. This structure enables quick comprehension of the data’s organization and facilitates efficient data storage. The attribute-value pairs are arranged in a hierarchical manner, allowing for easy access and manipulation of the data.

Beyond its machine-friendly characteristics, JSON is also highly readable and writable by humans. This human-readability aspect is beneficial for tasks involving data storage and manipulation, as it ensures clarity and facilitates easier debugging. Moreover, JSON harmoniously integrates with modern web technologies, making it an excellent choice for applications that require efficient data storage and transfer.

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Popular HTM Conversion Options with .NET

Convert HTM to PDF

(Portable Document Format)

Convert HTM to WORD

(Word Processing Files)

Convert HTM to EXCEL

(Spreadsheet Files)

Convert HTM to IMAGE

(Digital Image Files)

Convert HTM to DOC

(Microsoft Word Binary Format)

Convert HTM to DOCM

(Microsoft Word 2007 Marco File)

Convert HTM to DOCX

(Office 2007+ Word Document)

Convert HTM to DOT

(Microsoft Word Template Files)

Convert HTM to DOTM

(Microsoft Word 2007+ Template File)

Convert HTM to DOTX

(Microsoft Word Template File )

Convert HTM to RTF

(Rich Text Format)

Convert HTM to TXT

(Text Document)

Convert HTM to RTF

(Rich Text Format)

Convert HTM to HTML

(Hyper Text Markup Language)

Convert HTM to HTM

(Hypertext Markup Language File)

Convert HTM to MHT

(MHTML Web Archive)

Convert HTM to MHTML

(Web Page Archive Format)

Convert HTM to XLS

(Microsoft Excel Spreadsheet (Legacy))

Convert HTM to XLSX

(Open XML Workbook)

Convert HTM to XLSM

(Macro-enabled Spreadsheet)

Convert HTM to XLSB

(Excel Binary Workbook)

Convert HTM to XLT

(Excel 97 - 2003 Template)

Convert HTM to XLTX

(Excel Template)

Convert HTM to XLTM

(Excel Macro-Enabled Template)

Convert HTM to TSV

(Tab Seperated Values)

Convert HTM to CSV

(Comma Seperated Values)

Convert HTM to XLAM

(Excel Macro-Enabled Add-In)

Convert HTM to FODS

(OpenDocument Flat XML Spreadsheet)

Convert HTM to DIF

(Data Interchange Format)

Convert HTM to SXC

(StarOffice Calc Spreadsheet)

Convert HTM to PPT

(Microsoft PowerPoint 97-2003)

Convert HTM to PPTX

(Open XML presentation Format)

Convert HTM to PPTM

(Macro-enabled Presentation File)

Convert HTM to PPS

(PowerPoint Slide Show)

Convert HTM to PPSX

(PowerPoint Slide Show)

Convert HTM to PPSM

(Macro-enabled Slide Show)

Convert HTM to POT

(Microsoft PowerPoint Template Files)

Convert HTM to POTX

(Microsoft PowerPoint Template Presentation)

Convert HTM to POTM

(Microsoft PowerPoint Template File)

Convert HTM to ODT

(OpenDocument Text File Format)

Convert HTM to OTT

(OpenDocument Standard Format)

Convert HTM to OTP

(OpenDocument Standard Format)

Convert HTM to ODP

(OpenDocument Presentation Format)

Convert HTM to ODS

(OpenDocument Spreadsheet)

Convert HTM to PSD

(Photoshop Document)

Convert HTM to PSB

(Photoshop Large Document Format)

Convert HTM to SVG

(Scalar Vector Graphics)

Convert HTM to SVGZ

(Compressed Scalable Vector Graphics)

Convert HTM to XPS

(XML Paper Specifications)

Convert HTM to TEX

(LaTeX Source Document)

Convert HTM to BMP

(Bitmap Image File)

Convert HTM to PNG

(Portable Network Graphic)

Convert HTM to GIF

(Graphical Interchange Format)

Convert HTM to JPEG

(Joint Photographic Expert Group Image)

Convert HTM to JPG

(Joint Photographic Expert Group Image)

Convert HTM to TIFF

(Tagged Image File Format)

Convert HTM to WEBP

(Raster Web Image Format)

Convert HTM to EPUB

(Open eBook File)

Convert HTM to FODP

(Formula One for Data Presentation)

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