Convert PPTX to PNG and JPG in C# with Conholdate.total – .NET Implementation

convert_pptx_to_png_and_jpg.cs

using System;
using System.IO;
using Conholdate.Total; // Ensure the SDK namespace is referenced

class Program
{
    static void Main()
    {
        // Path to the source PPTX file
        string sourcePath = "input.pptx";

        // Load the presentation
        using var presentation = new Presentation(sourcePath);

        // Iterate through each slide
        for (int i = 0; i < presentation.Slides.Count; i++)
        {
            // Define output file names
            string pngFile = Path.Combine("output", $"slide_{i + 1}.png");
            string jpgFile = Path.Combine("output", $"slide_{i + 1}.jpg");

            // Ensure output directory exists
            Directory.CreateDirectory("output");

            // Save slide as PNG
            using (var pngStream = new FileStream(pngFile, FileMode.Create))
            {
                presentation.Save(pngStream, SaveFormat.Png,
                    new ImageSaveOptions { SlideIndex = i });
            }

            // Save slide as JPG with high quality
            using (var jpgStream = new FileStream(jpgFile, FileMode.Create))
            {
                var jpgOptions = new ImageSaveOptions
                {
                    SlideIndex = i,
                    JpegQuality = 90 // Increase quality to reduce compression artifacts
                };
                presentation.Save(jpgStream, SaveFormat.Jpeg, jpgOptions);
            }

            Console.WriteLine($"Slide {i + 1} saved as PNG and JPG.");
        }

        Console.WriteLine("Conversion completed successfully.");
    }
}