Convert PDF Pages to Images using C#

ConvertPDFtoImages_CSharp.md

Learn, how to convert PDF to Images using C#: https://blog.conholdate.com/2021/09/23/convert-pdf-to-images-using-csharp/

The following topics are covered here:

1. Convert PDF to PNG Images using C#
2. Convert PDF to JPG Images using C#
3. PDF to BMP Conversion in C#
4. PDF to TIFF Conversion in C#
5. Extract Images from PDF document using C#

ConvertPDFtoImages_CSharp_ExtractImagesFromPDF.cs

// Open document
Document pdfDocument = new Document("C:\\Files\\sample.pdf");

// Loop through pages
foreach (var page in pdfDocument.Pages)
{
    int imageCounter = 1;
    // Loop through all images
    foreach (XImage image in page.Resources.Images)
    {
        // Create file stream for image
        FileStream outputImage = new FileStream(String.Format("C:\\Files\\Page{0}_Image{1}.jpg", page.Number, imageCounter), FileMode.Create);

        // Save output image
        image.Save(outputImage);

        // Close stream
        outputImage.Close();

        imageCounter++;
    }
}

ConvertPDFtoImages_CSharp_PDFtoBMP.cs

// Open document
Document pdfDocument = new Document("C:\\Files\\sample.pdf");

foreach (var page in pdfDocument.Pages)
{
    // Define Resolution
    Resolution resolution = new Resolution(300);
    
    // Create PNG device with specified attributes
    // Width, Height, Resolution
    BmpDevice BmpDevice = new BmpDevice(500, 700, resolution);

    // Convert a particular page and save the image to stream
    BmpDevice.Process(pdfDocument.Pages[page.Number], "C:\\Files\\image" + page.Number + "_out" + ".bmp");
}

ConvertPDFtoImages_CSharp_PDFtoJPG.cs

// Open document
Document pdfDocument = new Document("C:\\Files\\sample.pdf");

foreach (var page in pdfDocument.Pages)
{
    // Define Resolution
    Resolution resolution = new Resolution(300);
    
    // Create Jpeg device with specified attributes
    // Width, Height, Resolution
    JpegDevice JpegDevice = new JpegDevice(500, 700, resolution);

    // Convert a particular page and save the image to stream
    JpegDevice.Process(pdfDocument.Pages[page.Number], "C:\\Files\\image" + page.Number + "_out" + ".Jpg");
}

ConvertPDFtoImages_CSharp_PDFtoPNG.cs

// Open document
Document pdfDocument = new Document("C:\\Files\\sample.pdf");

foreach (var page in pdfDocument.Pages)
{
    // Define Resolution
    Resolution resolution = new Resolution(300);

    // Create Png device with specified attributes
    // Width, Height, Resolution
    PngDevice PngDevice = new PngDevice(500, 700, resolution);

    // Convert a particular page and save the image to stream
    PngDevice.Process(pdfDocument.Pages[page.Number], "C:\\Files\\image" + page.Number + "_out" + ".Png");
}

ConvertPDFtoImages_CSharp_PDFtoTIFF.cs

// Open document
Document pdfDocument = new Document("C:\\Files\\sample.pdf");

// Define Resolution
Resolution resolution = new Resolution(300);

// Create TiffSettings object
TiffSettings tiffSettings = new TiffSettings
{
    Compression = CompressionType.None,
    Depth = ColorDepth.Default,
    Shape = ShapeType.Portrait,
    SkipBlankPages = false
};

// Create TIFF device
TiffDevice tiffDevice = new TiffDevice(resolution, tiffSettings);

// Convert a particular page and save the image to stream
tiffDevice.Process(pdfDocument, "C:\\Files\\AllPagesToTIFF_out.tif");