Create PDF from Images in C#

create-pdf-from-images.cs

// Create a new document
Document doc = new Document();

// Access image files in the folder
string[] fileList = Directory.GetFiles(@"D:/images/");

foreach (String file in fileList)
{
    // Add a page to pages collection of document
    var page = doc.Pages.Add();

    // Load image into stream
    FileStream imageStream = new FileStream(file, FileMode.Open);

    // Set margins so image will fit, etc.
    page.PageInfo.Margin.Bottom = 0;
    page.PageInfo.Margin.Top = 0;
    page.PageInfo.Margin.Left = 0;
    page.PageInfo.Margin.Right = 0;
    page.CropBox = new Rectangle(0, 0, 400, 400);

    // Create an image object
    Image image1 = new Image();

    // Add the image into paragraphs collection of the section
    page.Paragraphs.Add(image1);

    // Set the image file stream
    image1.ImageStream = imageStream;
}

// Save resultant PDF file
doc.Save("document.pdf");