Render PDF page as PNG

The following code renders the first page of a PDF document as a PNG at 150 DPI:

using (var pdfFile = new FileStream(pdfPath, FileMode.Open, FileAccess.Read))
using (var imageFile = new FileStream(imagePath, FileMode.Create))
{
  var pdf = new Document(pdfFile);
  var page = pdf.Pages[0];
  float resolution = 150f; // 150 DPI
  page.SaveAsBitmap(imageFile, ImageEncoding.Png, resolution);
}

Image formats

The following image formats are supported:

• ImageEncoding.Png
• ImageEncoding.Jpeg