This page describes how to use our cloud-based API to convert images to PDF in .NET. The API is user-friendly and can be integrated into your application with just a few lines of code.
The .NET API client library provides easy access to the Pdfcrowd API. No third-party libraries are required.
Download pdfcrowd-5.12.1-dotnet.zip, unzip it and add a reference to pdfcrowd.dll to your project.We also offer other installation options such as NuGet or GitHub.
The credentials to access the API are your Pdfcrowd username and the API key.
Refer to the Image to PDF .NET Reference for a description of all API methods.
Here are a few .NET examples to get you started quickly with the API. See more examples.
using System; using System.IO; public class ApiTest { public static void Main() { try { // create the API client instance pdfcrowd.ImageToPdfClient client = new pdfcrowd.ImageToPdfClient("your_username", "your_apikey"); // run the conversion and write the result to a file client.convertFileToFile("/path/to/logo.png", "logo.pdf"); } catch(pdfcrowd.Error why) { // report the error System.Console.Error.WriteLine("Pdfcrowd Error: " + why); // rethrow or handle the exception throw; } } }
using System; using System.IO; public class ApiTest { public static void Main() { try { // create the API client instance pdfcrowd.ImageToPdfClient client = new pdfcrowd.ImageToPdfClient("your_username", "your_apikey"); // run the conversion and write the result to a file client.convertUrlToFile("https://pdfcrowd.com/static/images/logo.png", "logo.pdf"); } catch(pdfcrowd.Error why) { // report the error System.Console.Error.WriteLine("Pdfcrowd Error: " + why); // rethrow or handle the exception throw; } } }
using System; using System.IO; public class ApiTest { public static void Main() { try { // create the API client instance pdfcrowd.ImageToPdfClient client = new pdfcrowd.ImageToPdfClient("your_username", "your_apikey"); // run the conversion and write the result to a file client.convertRawDataToFile(File.ReadAllBytes("/path/to/logo.png"), "logo.pdf"); } catch(pdfcrowd.Error why) { // report the error System.Console.Error.WriteLine("Pdfcrowd Error: " + why); // rethrow or handle the exception throw; } } }