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Convert a PowerPoint to PDF with C# REST API

Discover how to convert a PowerPoint to PDF with a C# REST API in this step‑by‑step guide. You’ll learn to transform PowerPoint files into PDFs using the C# REST interface and the .NET‑based Cloud SDK, while exploring the various properties and attributes that let you customize the conversion process.

Prerequisite

Steps to Convert PowerPoint File to PDF with C# .NET-based API

  1. Create the SlidesApi object with the Client ID and secret to convert PPTX to PDF
  2. Load the input presentation file into the FileStream object
  3. Define the export format as PDF and create a list of slides for conversion to PDF
  4. Call the Convert() method and provide the FileStream, export format, and slides array
  5. Create the output file stream and save the resultant stream as PDF

These steps explain how to convert a PowerPoint presentation to PDF with C# RESTful Service. Create the SlidesApi object, load the presentation file into the File stream, define the output file format, create a list of slides for rendering to PDF, and call the Convert() method using all these parameters. Save the output stream from the API call and save it on the disk.

Code to Convert PowerPoint Presentation to PDF with C# REST API

This example shows how to save PowerPoint to PDF with C# Low Code API. The Export format also supports a wide range of alternatives such as PPS, PPSX, PPTM, PPSM, SWF, and more. Additionally, you can arrange the slides in any sequence you like by specifying the desired order in the array, regardless of their original order in the source presentation.

Now you know how to export your PowerPoint slides to PDF using the C# REST API. If you’d like to build a presentation from the ground up, check out our guide on Create presentation with C# REST API.

 

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