Convert PPTX to TXT using C# or online

Build Microsoft PowerPoint PPTX Presentation to Word TXT document conversion apps on .NET Framework, .NET Core, Windows Azure, Mono or Xamarin Platforms.

How to Convert PPTX to TXT Using C#

In order to automate the process for any PowerPoint pptx presentation to Word txt files batch conversion, we’ll use Aspose.Slides for .NET and Aspose.Words for .NET APIs. The former is a PowerPoint presentation manipulation API that lets you create or modify Microsoft PowerPoint slides. Whereas, the latter is a word processing API for processing or manipulating Microsoft Word documents. Both APIs are part of Aspose.Total for .NET package. You can directly download from Nuget or may use the following commands from the Package Manager Console.

Package Manager Console Command

PM> Install-Package Aspose.Total

Steps to Convert PPTX to TXT via C#

Aspose.Total makes it easy for the developers to load & convert PPTX files to TXT in just a few lines of code.

  1. Add reference of Aspose.Slides for .NET and Aspose.Words for .NET
  2. Load PowerPoint PPTX presentation using Aspose.Slides.Presentation class
  3. Save the document into MemoryStream Object
  4. Create Aspose.Words.Document and intialize it with MemoryStream Object
  5. Save the document using Aspose.Words.Document.Save(“output.txt”, SaveFormat.Txt)

System Requirements

Aspose.Total for .NET is supported on all major operating systems. Just make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with .NET Framework, .NET Core, Windows Azure, Mono or Xamarin Platforms.
  • Development environment like Microsoft Visual Studio.
  • Aspose.Slides for .NET and Aspose.Words for .NET DLL referenced in your project.

This code sample shows how to convert a PPTX to TXT using C#

Aspose.Slides.Presentation pptx = new Aspose.Slides.Presentation("source.pptx");

var stream = new MemoryStream();

pptx.Save(stream, Aspose.Slides.Export.SaveFormat.Html);
stream.Seek(0, SeekOrigin.Begin);
// stream.Position = 0;

// Load the content of the presentation to a Word document
var txt = new Aspose.Words.Document(stream);
// Save the Word TXT document
txt.Save("output.txt", Aspose.Words.SaveFormat.Txt);

Online Converter for PPTX to TXT

Free App to Convert PPTX to TXT

Check our live demos for PPTX to TXT conversion with following benefits.

  No need to download or setup anything.
  No need to write any code.
  Just upload your PPTX file and hit the "Convert" button.
  You will instantly get the download link for resultant TXT file.

About Aspose.Total

Aspose.Total for .NET is complete package of document Manipulation APIs. APIs are easily integratable within any .NET based application to manipulate Microsoft Word, Excel, PowerPoint, Outlook, PDF, Images, Barcodes and more than 100 other formats. Programmers can easily use these to create, modify, render, print and convert between most popular file formats within any .NET, C#, ASP.NET and VB.NET applications without the need of any other software.


  • How can I convert PPTX to TXT Online?
    Online App for PPTX conversion is integrated above. To use the app, you can add your PPTX file by either dragging and dropping it into the designated area or clicking inside the area to import the file. Once the file is added, click the Convert button to initiate the conversion process. After the PPTX to TXT conversion is complete, you can download your newly converted file with just one click, and it will be available in TXT format.
  • How long does it take to convert PPTX?
    this online converter is fast, but the speed of the PPTX to TXT conversion mainly depends on the size of the PPTX file being converted. Smaller PPTX files can be rendered into TXT format within seconds. Additionally, if you have integrated the PPTX to TXT conversion code within a .NET application, the conversion speed will depend on how well you have optimized your application for the conversion process.
  • Is it safe to convert PPTX to TXT using free Aspose.Total converter?
    Of course! Once the PPTX to TXT conversion process is complete, the download link for the converted TXT file will be instantly available. All uploaded files, including PPTX files, are deleted from the system after 24 hours, and the download links cease to function after this time period. The online converter ensures the safety and privacy of your files, and the integrated app is available free of cost for testing purposes. This allows users to check the result before integrating the code into their projects.
  • What browser should I use to convert PPTX?
    You can utilize any contemporary web browser such as Google Chrome, Firefox, Opera, or Safari to convert PPTX files to TXT online. However, if you are creating a desktop application, the Aspose.Total PPTX Conversion API is recommended for a smooth and seamless conversion process.

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)
Convert PPTX to XLTX (Excel Template)

What is PPTX File Format?

The PPTX file format is the successor to the PPT (PowerPoint Presentation) format and is used by Microsoft PowerPoint, the popular presentation software included in the Microsoft Office suite. PPTX files were introduced with the release of Microsoft Office 2007 and are based on the Open XML file format.

PPTX files store presentations as a collection of individual slides, each containing various elements such as text, images, shapes, charts, tables, and multimedia content. The format uses XML-based encoding, which allows for more efficient storage, improved data recovery, and enhanced compatibility with other software applications.

One of the key advantages of the PPTX format is its smaller file size compared to the older PPT format. This is achieved through improved compression techniques and the elimination of redundant data, resulting in more compact files that are easier to share, transfer, and store.

PPTX files also offer advanced features and capabilities, including support for enhanced formatting options, slide transitions, animations, and embedded multimedia elements. The format allows for greater flexibility in designing and customizing presentations, enabling users to create visually appealing and interactive slideshows.

PPTX files can be opened, edited, and presented using Microsoft PowerPoint or compatible software applications across different platforms, including Windows, macOS, and mobile devices. They can be shared via email, uploaded to cloud storage services, or accessed through collaboration platforms for seamless teamwork and presentation delivery.

What is TXT File Format?

A TXT (text) file is indeed a plain text file format used for storing and exchanging text-based information without any formatting or layout. It is a simple and widely supported file format that consists of a sequence of characters without any specific structure or metadata.

TXT files are commonly used for various purposes, such as creating and sharing documents, taking notes, writing memos, and storing configuration and log files. They are particularly useful for storing data that can be easily read and processed by computers or software programs, as they contain unformatted text.

One of the advantages of TXT files is their universal accessibility. They are supported by virtually all operating systems and applications, making them easy to open and view on different platforms. TXT files can be created and edited using any text editor, ranging from basic options like Notepad to more advanced ones like Sublime Text or Vim.

Due to their simplicity, TXT files have small file sizes compared to other file formats that include formatting or embedded objects like images or tables. This makes TXT files efficient for exchanging large amounts of text-based data, such as email messages or code snippets.