Convert PPTX to XLTX via C# or Online App

.NET API for PPTX to XLTX conversion without using Microsoft® Excel or PowerPoint

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Aspose.Total for .NET is a comprehensive suite of .NET components that enables developers to easily create, manipulate, convert and render documents within any .NET, C#, ASP.NET and VB.NET application. It provides a wide range of features and capabilities, including the ability to convert PPTX files to XLTX. This can be achieved in two simple steps.

The first step is to use Aspose.Slides for .NET to export the PPTX file to HTML. Aspose.Slides for .NET is a powerful library that enables developers to create, manipulate, convert and render presentations within any .NET application. It provides a wide range of features and capabilities, including the ability to export PPTX files to HTML.

The second step is to use Aspose.Cells for .NET to convert the HTML file to XLTX. Aspose.Cells for .NET is a powerful library that enables developers to create, manipulate, convert and render spreadsheets within any .NET application. It provides a wide range of features and capabilities, including the ability to convert HTML files to XLTX.

By using Aspose.Total for .NET, developers can easily convert PPTX files to XLTX within any .NET, C#, ASP.NET and VB.NET application. It provides a simple and efficient way to convert PPTX files to XLTX in two simple steps. Firstly, by using Aspose.Slides for .NET, developers can export PPTX to HTML. After that, by using Aspose.Cells for .NET, developers can convert HTML to XLTX.

How to Convert PPTX to XLTX via C#

  1. Open PPTX file using Presentation class
  2. Export PPTX as HTML by using Save method
  3. Load HTML document by using Workbook class
  4. Save the document to XLTX using Save method

PPTX File Conversion in C#

For PPTX file to XLTX Conversion in C#, please install the API from the command line as nuget install Aspose.Total or via Package Manager Console of Visual Studio.

Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads .

Free Online Converter for PPTX to XLTX

Convert Protected PPTX to XLTX via C#

While converting PPTX file to XLTX, if your input PPTX document is password protected you cannot convert it to XLTX without decrypting the document. When your document is password protected, it means it enforces certain restrictions on the presentation. To remove the restrictions, the password has to be entered. A password-protected presentation is considered a locked presentation. The API allows you to open the encrypted document by passing the correct password in a LoadOptions object.

Convert PPTX to XLTX with Watermark via C#

While converting PPTX file to XLTX, you can also add watermark to your output XLTX file format. In order to add a watermark, you can create a new Workbook object and open the converted HTML document, select Worksheet via its index, create a Shape and use its AddTextEffect function. After that you can save your HTML document as XLTX with Watermark.

FAQ

  • How can I convert PPTX to XLTX Online?
    Online App for PPTX conversion is integrated above. To initiate the PPTX to XLTX conversion process, simply add the PPTX file by either dragging and dropping it into the designated area or clicking on it to import the document. Next, click on the "Convert" button. Once the PPTX to XLTX conversion has been completed, you can download the converted file. With just a single click, you will receive your output XLTX files.
  • How long does it take to convert PPTX?
    The speed of this online converter is largely dependent on the size of the PPTX file. If the PPTX file is small in size, the conversion to XLTX can be completed within a few seconds. Additionally, if you have integrated the conversion code within a .NET application, the speed of the conversion process will depend on how well you have optimized your application for this purpose.
  • Is it safe to convert PPTX to XLTX using free Aspose.Total converter?
    Of course! As soon as the PPTX to XLTX conversion is complete, you will have instant access to the download link for the converted XLTX files. Please note that we automatically delete any uploaded files after 24 hours, and the download links will no longer be active after this time period. Your files are completely secure and private, as no one else has access to them. The file conversion process, including PPTX conversion, is absolutely safe to use. We offer this free app primarily for testing purposes so that you can evaluate the results before integrating the code.
  • What browser should I use to convert PPTX?
    This online conversion tool is compatible with any modern browser, such as Google Chrome, Firefox, Opera, or Safari. However, if you are developing a desktop application, the Aspose.Total PPTX Conversion API is a reliable option for smooth integration.

Explore PPTX Conversion Options with .NET

Convert PPTX to CSV (Comma Seperated Values)
Convert PPTX to DIF (Data Interchange Format)
Convert PPTX to EXCEL (Spreadsheet File Formats)
Convert PPTX to FODS (OpenDocument Flat XML Spreadsheet)
Convert PPTX to MARKDOWN (Lightweight Markup Language)
Convert PPTX to ODS (OpenDocument Spreadsheet)
Convert PPTX to SXC (StarOffice Calc Spreadsheet)
Convert PPTX to TSV (Tab-separated Values)
Convert PPTX to XLAM (Excel Macro-Enabled Add-In)
Convert PPTX to XLS (Microsoft Excel Binary Format)
Convert PPTX to XLSB (Excel Binary Workbook)
Convert PPTX to XLSM (Macro-enabled Spreadsheet)
Convert PPTX to XLSX (Open XML Workbook)
Convert PPTX to XLT (Excel 97 - 2003 Template)
Convert PPTX to XLTM (Excel Macro-Enabled Template)