How to rasterize a PDF into an image-based PDF in C# .NET Framework

Rasterizing a PDF file is a bit tricky to accomplish using traditional coding means. Luckily for you, this post is actually about a shortcut method using an API instead.

Before we get started, we need to install our API client. This is done by running the following command in Package Manager’s console.

Install-Package Cloudmersive.APIClient.NET.DocumentAndDataConvert -Version 2.2.0

Now we can use the following code to call the EditPdfRasterize function:

using System;
using System.Diagnostics;
using Cloudmersive.APIClient.NET.DocumentAndDataConvert.Api;
using Cloudmersive.APIClient.NET.DocumentAndDataConvert.Client;
using Cloudmersive.APIClient.NET.DocumentAndDataConvert.Model;
namespace Example
{
public class EditPdfRasterizeExample
{
public void main()
{
// Configure API key authorization: Apikey
Configuration.Default.AddApiKey("Apikey", "YOUR_API_KEY");
// Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
// Configuration.Default.AddApiKeyPrefix("Apikey", "Bearer");
var apiInstance = new EditPdfApi();
var inputFile = new System.IO.Stream(); // System.IO.Stream | Input file to perform the operation on.
try
{
// Rasterize a PDF to an image-based PDF
byte[] result = apiInstance.EditPdfRasterize(inputFile);
Debug.WriteLine(result);
}
catch (Exception e)
{
Debug.Print("Exception when calling EditPdfApi.EditPdfRasterize: " + e.Message );
}
}
}
}

And… that’s it. We are seriously all done. If this was a helpful method for you, bear in mind that we have hundreds of similar functions available.