.NET APIs to Convert AutoCAD Files

Convert DWG and DXF files to PDF and Raster Images without any AutoCAD dependencies.

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Aspose.CAD for .NET

Aspose.CAD for .NET


Aspose.CAD for .NET is a standalone AutoCAD processing API. It provides the functionality to convert DWG, DWF and DXF files to high-quality PDF and raster images. Developers can select and convert specific layouts and layers from the AutoCAD files as well as track the whole file conversion process with ease.


Advanced .NET CAD API Features



Supports the latest versions of AutoCAD DWG and DXF files


Convert the AutoCAD files to high-quality PDF


Convert the AutoCAD files to high-quality Raster images


Select and convert specific layouts


Select and convert specific layers


Track the file conversion process

Convert CAD to PDF

Aspose.CAD for .NET provides the ability to convert supported CAD drawings to PDF format. The conversion process is highly customizable, allowing you to configure the rendering aspects, such as page size, background color, draw color, scale mode and so on.

Save CAD in PDF format - C#

// load the drawing to be converted
using (var img = Aspose.CAD.Image.Load(dir + "template.dwg"))
    // create an instance of CadRasterizationOptions & set resultant page size
    var rasterizationOptions = new Aspose.CAD.ImageOptions.CadRasterizationOptions()
        PageSize = new Aspose.CAD.SizeF(1200, 1200),
    // save resultant PDF
    img.Save(dir + "output.pdf", new Aspose.CAD.ImageOptions.PdfOptions() { VectorRasterizationOptions = rasterizationOptions });

Convert CAD to Raster Images

.NET CAD library also offers high fidelity rendering engine at its core which can convert CAD drawings to most commonly used raster image formats including GIF, TIFF, BMP, PNG & JPEG without requiring any additional software or tool.


Support and Learning Resources


Aspose.CAD offers individual native APIs for other popular development environments as listed below: