Image to Image .NET Examples

This page contains various examples of using the Image to Image API in .NET. The examples are complete and fully functional. Read more about how to convert Image to Image in .NET.

Basic examples

Basic examples

Convert a local PNG file to a JPEG file

using System;
using System.IO;

public class ApiTest
{
    public static void Main()
    {
        try
        {
            // create the API client instance
            pdfcrowd.ImageToImageClient client =
                new pdfcrowd.ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            client.setOutputFormat("jpg");

            // run the conversion and write the result to a file
            client.convertFileToFile("/path/to/logo.png", "logo.jpg");
        }
        catch(pdfcrowd.Error why)
        {
            // report the error
            System.Console.Error.WriteLine("Pdfcrowd Error: " + why);

            // rethrow or handle the exception
            throw;
        }
    }
}

Convert a local PNG file to in-memory JPEG

using System;
using System.IO;

public class ApiTest
{
    public static void Main()
    {
        try
        {
            // create the API client instance
            pdfcrowd.ImageToImageClient client =
                new pdfcrowd.ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            client.setOutputFormat("jpg");

            // run the conversion and store the result into the "image" variable
            byte[] image = client.convertFile("/path/to/logo.png");

            // at this point the "image" variable contains JPG raw data and
            // can be sent in an HTTP response, saved to a file, etc.
        }
        catch(pdfcrowd.Error why)
        {
            // report the error
            System.Console.Error.WriteLine("Pdfcrowd Error: " + why);

            // rethrow or handle the exception
            throw;
        }
    }
}

Convert a local PNG file and write the resulting JPEG to an output stream

using System;
using System.IO;

public class ApiTest
{
    public static void Main()
    {
        try
        {
            // create the API client instance
            pdfcrowd.ImageToImageClient client =
                new pdfcrowd.ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            client.setOutputFormat("jpg");

            // create an output stream for the conversion result
            FileStream outputStream = new FileStream("logo.jpg", FileMode.CreateNew);

            // run the conversion and write the result into the output stream
            client.convertFileToStream("/path/to/logo.png", outputStream);

            // close the output stream
            outputStream.Close();
        }
        catch(pdfcrowd.Error why)
        {
            // report the error
            System.Console.Error.WriteLine("Pdfcrowd Error: " + why);

            // rethrow or handle the exception
            throw;
        }
    }
}

Convert url with PNG file to a JPEG file

using System;
using System.IO;

public class ApiTest
{
    public static void Main()
    {
        try
        {
            // create the API client instance
            pdfcrowd.ImageToImageClient client =
                new pdfcrowd.ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            client.setOutputFormat("jpg");

            // run the conversion and write the result to a file
            client.convertUrlToFile("https://pdfcrowd.com/static/images/logo.png", "logo.jpg");
        }
        catch(pdfcrowd.Error why)
        {
            // report the error
            System.Console.Error.WriteLine("Pdfcrowd Error: " + why);

            // rethrow or handle the exception
            throw;
        }
    }
}

Convert url with PNG file to in-memory JPEG

using System;
using System.IO;

public class ApiTest
{
    public static void Main()
    {
        try
        {
            // create the API client instance
            pdfcrowd.ImageToImageClient client =
                new pdfcrowd.ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            client.setOutputFormat("jpg");

            // run the conversion and store the result into the "image" variable
            byte[] image = client.convertUrl("https://pdfcrowd.com/static/images/logo.png");

            // at this point the "image" variable contains JPG raw data and
            // can be sent in an HTTP response, saved to a file, etc.
        }
        catch(pdfcrowd.Error why)
        {
            // report the error
            System.Console.Error.WriteLine("Pdfcrowd Error: " + why);

            // rethrow or handle the exception
            throw;
        }
    }
}

Convert url with PNG file and write the resulting JPEG to an output stream

using System;
using System.IO;

public class ApiTest
{
    public static void Main()
    {
        try
        {
            // create the API client instance
            pdfcrowd.ImageToImageClient client =
                new pdfcrowd.ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            client.setOutputFormat("jpg");

            // create an output stream for the conversion result
            FileStream outputStream = new FileStream("logo.jpg", FileMode.CreateNew);

            // run the conversion and write the result into the output stream
            client.convertUrlToStream("https://pdfcrowd.com/static/images/logo.png", outputStream);

            // close the output stream
            outputStream.Close();
        }
        catch(pdfcrowd.Error why)
        {
            // report the error
            System.Console.Error.WriteLine("Pdfcrowd Error: " + why);

            // rethrow or handle the exception
            throw;
        }
    }
}

Convert an in-memory PNG to a JPEG file

using System;
using System.IO;

public class ApiTest
{
    public static void Main()
    {
        try
        {
            // create the API client instance
            pdfcrowd.ImageToImageClient client =
                new pdfcrowd.ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            client.setOutputFormat("jpg");

            // run the conversion and write the result to a file
            client.convertRawDataToFile(File.ReadAllBytes("/path/to/logo.png"), "logo.jpg");
        }
        catch(pdfcrowd.Error why)
        {
            // report the error
            System.Console.Error.WriteLine("Pdfcrowd Error: " + why);

            // rethrow or handle the exception
            throw;
        }
    }
}

Convert an in-memory PNG to in-memory JPEG

using System;
using System.IO;

public class ApiTest
{
    public static void Main()
    {
        try
        {
            // create the API client instance
            pdfcrowd.ImageToImageClient client =
                new pdfcrowd.ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            client.setOutputFormat("jpg");

            // run the conversion and store the result into the "image" variable
            byte[] image = client.convertRawData(File.ReadAllBytes("/path/to/logo.png"));

            // at this point the "image" variable contains JPG raw data and
            // can be sent in an HTTP response, saved to a file, etc.
        }
        catch(pdfcrowd.Error why)
        {
            // report the error
            System.Console.Error.WriteLine("Pdfcrowd Error: " + why);

            // rethrow or handle the exception
            throw;
        }
    }
}

Convert an in-memory PNG and write the resulting JPEG to an output stream

using System;
using System.IO;

public class ApiTest
{
    public static void Main()
    {
        try
        {
            // create the API client instance
            pdfcrowd.ImageToImageClient client =
                new pdfcrowd.ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            client.setOutputFormat("jpg");

            // create an output stream for the conversion result
            FileStream outputStream = new FileStream("logo.jpg", FileMode.CreateNew);

            // run the conversion and write the result into the output stream
            client.convertRawDataToStream(File.ReadAllBytes("/path/to/logo.png"), outputStream);

            // close the output stream
            outputStream.Close();
        }
        catch(pdfcrowd.Error why)
        {
            // report the error
            System.Console.Error.WriteLine("Pdfcrowd Error: " + why);

            // rethrow or handle the exception
            throw;
        }
    }
}

Get info about the current conversion

using System;
using System.IO;

public class ApiTest
{
    public static void Main()
    {
        try
        {
            // create the API client instance
            pdfcrowd.ImageToImageClient client =
                new pdfcrowd.ImageToImageClient("your_username", "your_apikey");

            // configure the conversion
            client.setOutputFormat("jpg");
            client.setDebugLog(true);

            // run the conversion and write the result to a file
            client.convertFileToFile("/path/to/logo.png", "logo.jpg");
            
            // print URL to the debug log
            System.Console.WriteLine("Debug log url: " + client.getDebugLogUrl());
            
            // print the number of available conversion credits in your account
            System.Console.WriteLine("Remaining credit count: " + client.getRemainingCreditCount());
            
            // print the number of credits consumed by the conversion
            System.Console.WriteLine("Consumed credit count: " + client.getConsumedCreditCount());
            
            // print the unique ID of the conversion
            System.Console.WriteLine("Job id: " + client.getJobId());
            
            // print the size of the output in bytes
            System.Console.WriteLine("Output size: " + client.getOutputSize());
        }
        catch(pdfcrowd.Error why)
        {
            // report the error
            System.Console.Error.WriteLine("Pdfcrowd Error: " + why);

            // rethrow or handle the exception
            throw;
        }
    }
}

Advanced examples

Template rendering Examples