Convert PDF to Image (.NET Core/Framework)

DynamicPDF Rasterizer supports the following image types.

• JPG/JPEG
• PNG
• TIFF, Multipage TIFF
• GIF
• BMP

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Converting a PDF to an Image

Follow these steps and sample code example to convert a PDF file to multiple image formats.

Steps

1. Create a PdfRasterizer object instance using the source PDF document.
2. Call the Draw method by specifying the file path to save the image, the image type as jpeg, and the image size as Dpi72.
3. Repeat step two, but change the file type to png and Dpi300.
4. Repeat step two, but change the file type to tiff and Dpi300.

Sample code - C# (PDF to JPG)

PdfRasterizer rasterizer = new PdfRasterizer("doc-a.pdf");
rasterizer.Draw("output.jpg", ImageFormat.Jpeg, ImageSize.Dpi72);

Sample code - C# (PDF to PNG)

PdfRasterizer rasterizer = new PdfRasterizer("doc-a.pdf");
rasterizer.Draw("output.png", ImageFormat.Png, ImageSize.Dpi300);

Sample code - C# (PDF to TIFF)

PdfRasterizer rasterizer = new PdfRasterizer("doc-a.pdf");
rasterizer.Draw("output.png", ImageFormat.Png, ImageSize.Dpi300);

Converting a PDF to multi-page TIFF

Create a multipage TIFF from a PDF by using the PdfRasterizer class's DrawToMultiPageTiff method. DynamicPDF Rasterizer has the following tiff image formats available for PDF to TIFF image conversion.

• ImageFormat.TiffWithLzw
• ImageFormat.TiffWithCcitGroup4
• ImageFormat.TiffWithCcitGroup3

Steps

1. Create a PdfRasterizer object instance using the source PDF document.
2. Call the DrawToMultiPageTiff method by specifying the file path to save the image, the image type as TiffWithCcitGroup4, and the image size as Dpi150.
3. Repeat step two, but change the type to gif.
4. Repeat step two, but change the type to bmp.

Sample code - C# (Multi-page TIFF from PDF)

PdfRasterizer rasterizer = new PdfRasterizer("doc-a.pdf");
rasterizer.DrawToMultiPageTiff("output.tiff", ImageFormat.TiffWithCcitGroup4, ImageSize.Dpi150);

Sample code - C# (PDF to GIF)

PdfRasterizer rasterizer = new PdfRasterizer("doc-a.pdf");
rasterizer.Draw("output.gif", ImageFormat.Gif, ImageSize.Dpi150);

Sample code - C# (PDF to BMP)

PdfRasterizer rasterizer = new PdfRasterizer("doc-a.pdf");
rasterizer.Draw("output.bmp", ImageFormat.Bmp, ImageSize.Dpi96);

Getting Started

The NuGet package and an example project are provided to get started.

NuGet Package

DynamicPDF Rasterizer for .NET is on NuGet with package ID ceTe.DynamicPDF.Rasterizer.NET.

Example Project

Clone or view the sample project on GitHub for an example illustrating how to convert a PDF to an image.

DynamicPDF Rasterizer Information

For more information, refer to the online help documentation.

• DynamicPDF Rasterizer for .NET