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PRODUCT COMPARISONS

A Comparison Between Wkhtmltopdf in Windows & IronPDF

IronPDF vs. wkhtmltopdf: A Comprehensive Comparison

IronPDF and wkhtmltopdf - Compare to Other Components are both tools that can be used to convert HTML pages or complete websites, including images, to PDF format. However, there are several differences between the two tools in terms of their features, performance, and ease of use.

What is wkhtmltopdf?

wkhtmltopdf is an open-source command-line tool that allows you to convert HTML pages or websites to PDF format. It is available for Windows, Linux, and macOS X operating systems and can be used with several programming languages, including C# and Java.

wkhtmltopdf

How to Install wkhtmltopdf on Java and C#

Here are the steps to install wkhtmltopdf on a Windows server in both C# and Java:

Installing wkhtmltopdf for C#

  1. Download the current version for Windows from the official website URL: wkhtmltopdf Downloads
  2. Double-click the downloaded installer and follow the instructions in the installation wizard to install wkhtmltopdf.
  3. Once installed, modify the path by adding the wkhtmltopdf executable to your system's PATH environment variable. This can be done via the command prompt using the following command:

    set PATH=%PATH%;C:\Program Files\wkhtmltopdf\bin
    set PATH=%PATH%;C:\Program Files\wkhtmltopdf\bin
    SHELL

Installing wkhtmltopdf for Java

  1. Download the latest version of wkhtmltopdf for Windows from the official website: wkhtmltopdf Downloads
  2. Extract the contents of the downloaded archive to a destination folder on your system.

In both C# and Java, the installation and usage of wkhtmltopdf involve executing the wkhtmltopdf command via the command prompt or using the ProcessBuilder class to execute the command programmatically. It is important to ensure that the wkhtmltopdf executable is added to the system's PATH environment variable and that the necessary switches and options are provided to generate the desired output PDF file.

What is IronPDF and how to install it for C# and Java

Explore IronPDF Features and Installation is a library that allows developers to create, manipulate, and convert PDFs using C# and Java. It provides a wide range of features, including HTML to PDF conversion, PDF generation from scratch, and PDF manipulation.

IronPDF

To install IronPDF for C#

  1. Install the IronPDF NuGet package using the Package Manager Console or via the Visual Studio UI.
  2. In your code, add the following using statement to import the IronPDF namespace:

    using IronPdf;
    using IronPdf;
    Imports IronPdf
    $vbLabelText   $csharpLabel
  3. To generate a PDF from HTML content, use the following code:

    var Renderer = new ChromePdfRenderer();
    Renderer.RenderHtmlAsPdf("IronFile.html").SaveAs("IronPDF-file.pdf");
    var Renderer = new ChromePdfRenderer();
    Renderer.RenderHtmlAsPdf("IronFile.html").SaveAs("IronPDF-file.pdf");
    Dim Renderer = New ChromePdfRenderer()
    Renderer.RenderHtmlAsPdf("IronFile.html").SaveAs("IronPDF-file.pdf")
    $vbLabelText   $csharpLabel
  4. To create a PDF from scratch, use the following code:

    using IronPdf;
    
    var Renderer = new ChromePdfRenderer();
    // Create a PDF from a URL or local file path
    using var pdf = Renderer.RenderUrlAsPdf("https://www.amazon.com/?tag=hp2-brobookmark-us-20");
    // Export to a file or a Stream 
    pdf.SaveAs("url.pdf");
    using IronPdf;
    
    var Renderer = new ChromePdfRenderer();
    // Create a PDF from a URL or local file path
    using var pdf = Renderer.RenderUrlAsPdf("https://www.amazon.com/?tag=hp2-brobookmark-us-20");
    // Export to a file or a Stream 
    pdf.SaveAs("url.pdf");
    Imports IronPdf
    
    Private Renderer = New ChromePdfRenderer()
    ' Create a PDF from a URL or local file path
    Private pdf = Renderer.RenderUrlAsPdf("https://www.amazon.com/?tag=hp2-brobookmark-us-20")
    ' Export to a file or a Stream 
    pdf.SaveAs("url.pdf")
    $vbLabelText   $csharpLabel

Output

To install IronPDF for Java

  1. Download the IronPDF Java Library from the IronPDF website.
  2. Add the IronPDF JAR file to your project's classpath.
  3. In your code, import the IronPDF package:

    import com.ironsoftware.ironpdf.*;
    import com.ironsoftware.ironpdf.*;
    JAVA
  4. Once installed, generate a PDF from HTML content using the following code:

    import com.ironsoftware.ironpdf.*;
    import java.io.IOException;
    import java.nio.file.Paths;
    
    public class PdfExample {
       public static void main(String[] args) throws IOException {
           // Apply your license key 
           License.setLicenseKey("YOUR-LICENSE-KEY");
    
           // Set a log path 
           Settings.setLogPath(Paths.get("C:/tmp/IronPdfEngine.log"));
    
           // Render the HTML as a PDF, stored in myPdf as type PdfDocument
           PdfDocument myPdf = PdfDocument.renderHtmlAsPdf(" ~Hello World~  Made with IronPDF!");
    
           // Save the PdfDocument to a file
           myPdf.saveAs(Paths.get("html_saved.pdf"));
       }
    }
    import com.ironsoftware.ironpdf.*;
    import java.io.IOException;
    import java.nio.file.Paths;
    
    public class PdfExample {
       public static void main(String[] args) throws IOException {
           // Apply your license key 
           License.setLicenseKey("YOUR-LICENSE-KEY");
    
           // Set a log path 
           Settings.setLogPath(Paths.get("C:/tmp/IronPdfEngine.log"));
    
           // Render the HTML as a PDF, stored in myPdf as type PdfDocument
           PdfDocument myPdf = PdfDocument.renderHtmlAsPdf(" ~Hello World~  Made with IronPDF!");
    
           // Save the PdfDocument to a file
           myPdf.saveAs(Paths.get("html_saved.pdf"));
       }
    }
    JAVA

Note that IronPDF uses a proprietary HTML-to-PDF conversion engine and does not rely on external tools like wkhtmltopdf.

How to use IronPDF and wkhtmltopdf to manipulate PDF files in C#

IronPDF and wkhtmltopdf are two libraries that can be used to manipulate PDF files in C#. In this section, we will explore how to use both libraries to manipulate PDF files.

Manipulate PDF Files

Manipulating PDF files with IronPDF

IronPDF is a C# library that can be used to create, manipulate, and render PDF documents. It provides an easy-to-use API that allows developers to perform various operations on PDF files, such as adding text, images, and tables, as well as merging, splitting, and converting PDF files. Here is an example of how to use IronPDF to add text to a PDF file:

using IronPdf;

var Renderer = new ChromePdfRenderer();
// Render a local HTML file as PDF
using var PDF = Renderer.RenderHtmlFileAsPdf("Project/MyHtmlDocument.html");
// Save the PDF to disk
PDF.SaveAs("Project/MyOutput.pdf");
using IronPdf;

var Renderer = new ChromePdfRenderer();
// Render a local HTML file as PDF
using var PDF = Renderer.RenderHtmlFileAsPdf("Project/MyHtmlDocument.html");
// Save the PDF to disk
PDF.SaveAs("Project/MyOutput.pdf");
Imports IronPdf

Private Renderer = New ChromePdfRenderer()
' Render a local HTML file as PDF
Private PDF = Renderer.RenderHtmlFileAsPdf("Project/MyHtmlDocument.html")
' Save the PDF to disk
PDF.SaveAs("Project/MyOutput.pdf")
$vbLabelText   $csharpLabel

HTML to PDF

Manipulating PDF files with wkhtmltopdf

wkhtmltopdf is a command-line tool that can be used to convert HTML pages to PDF files. It uses the Qt WebKit rendering engine to render the HTML pages to PDF format.

using System.Text;
using System.Diagnostics;

class PdfGenerator
{
    static void Main(string[] args)
    {
        // Function to convert HTML to PDF using wkhtmltopdf
        ConvertHtmlToPdf("URL", "Sample.pdf");
        Console.WriteLine("PDF successfully created!");
        Console.ReadKey();
    }

    // Function to configure and start the wkhtmltopdf process
    public static void ConvertHtmlToPdf(string url, string filename)
    {
        // Construct the command line parameters
        StringBuilder paramsBuilder = new StringBuilder();
        paramsBuilder.AppendFormat("\"{0}\" \"{1}\"", url, filename);

        // Create and configure the process
        using (Process process = new Process())
        {
            // Specify the path to wkhtmltopdf executable
            process.StartInfo.FileName = "C:\\Program Files (x86)\\wkhtmltopdf\\bin\\wkhtmltopdf.exe";
            process.StartInfo.Arguments = paramsBuilder.ToString();

            // Configure process settings
            process.StartInfo.UseShellExecute = false;
            process.StartInfo.RedirectStandardOutput = true;
            process.StartInfo.RedirectStandardError = true;

            // Start the process and wait for it to exit
            process.Start();
            if (!process.WaitForExit(60000))
            {
                process.Kill();
                Console.WriteLine("Process terminated as it exceeded the time limit.");
            }
        }
    }
}
using System.Text;
using System.Diagnostics;

class PdfGenerator
{
    static void Main(string[] args)
    {
        // Function to convert HTML to PDF using wkhtmltopdf
        ConvertHtmlToPdf("URL", "Sample.pdf");
        Console.WriteLine("PDF successfully created!");
        Console.ReadKey();
    }

    // Function to configure and start the wkhtmltopdf process
    public static void ConvertHtmlToPdf(string url, string filename)
    {
        // Construct the command line parameters
        StringBuilder paramsBuilder = new StringBuilder();
        paramsBuilder.AppendFormat("\"{0}\" \"{1}\"", url, filename);

        // Create and configure the process
        using (Process process = new Process())
        {
            // Specify the path to wkhtmltopdf executable
            process.StartInfo.FileName = "C:\\Program Files (x86)\\wkhtmltopdf\\bin\\wkhtmltopdf.exe";
            process.StartInfo.Arguments = paramsBuilder.ToString();

            // Configure process settings
            process.StartInfo.UseShellExecute = false;
            process.StartInfo.RedirectStandardOutput = true;
            process.StartInfo.RedirectStandardError = true;

            // Start the process and wait for it to exit
            process.Start();
            if (!process.WaitForExit(60000))
            {
                process.Kill();
                Console.WriteLine("Process terminated as it exceeded the time limit.");
            }
        }
    }
}
Imports System.Text
Imports System.Diagnostics

Friend Class PdfGenerator
	Shared Sub Main(ByVal args() As String)
		' Function to convert HTML to PDF using wkhtmltopdf
		ConvertHtmlToPdf("URL", "Sample.pdf")
		Console.WriteLine("PDF successfully created!")
		Console.ReadKey()
	End Sub

	' Function to configure and start the wkhtmltopdf process
	Public Shared Sub ConvertHtmlToPdf(ByVal url As String, ByVal filename As String)
		' Construct the command line parameters
		Dim paramsBuilder As New StringBuilder()
		paramsBuilder.AppendFormat("""{0}"" ""{1}""", url, filename)

		' Create and configure the process
		Using process As New Process()
			' Specify the path to wkhtmltopdf executable
			process.StartInfo.FileName = "C:\Program Files (x86)\wkhtmltopdf\bin\wkhtmltopdf.exe"
			process.StartInfo.Arguments = paramsBuilder.ToString()

			' Configure process settings
			process.StartInfo.UseShellExecute = False
			process.StartInfo.RedirectStandardOutput = True
			process.StartInfo.RedirectStandardError = True

			' Start the process and wait for it to exit
			process.Start()
			If Not process.WaitForExit(60000) Then
				process.Kill()
				Console.WriteLine("Process terminated as it exceeded the time limit.")
			End If
		End Using
	End Sub
End Class
$vbLabelText   $csharpLabel

In summary, IronPDF and wkhtmltopdf are two powerful tools that can be used to manipulate PDF files in C#. IronPDF provides an easy-to-use API for creating, manipulating, and rendering PDF files, while wkhtmltopdf is a command-line tool that can be used to convert HTML pages to PDF files. Both tools have their own strengths and weaknesses, and developers should choose the one that best suits their needs.

Manipulating a PDF file with IronPDF and wkhtmltopdf in Java using the Qt WebKit rendering engine

Manipulating PDF files is an essential part of document management, and developers need reliable tools to help them achieve this. Java developers have access to various libraries and tools for PDF manipulation, with IronPDF and wkhtmltopdf being popular options. In this comparison, we will explore how Java developers can manipulate PDF files using these tools.

IronPDF is a C# PDF library that offers easy and fast PDF manipulation capabilities. It also has a Java version, allowing Java developers to enjoy the same features. IronPDF provides an API for working with PDFs, including creating, editing, and rendering PDF documents. It also offers support for PDF forms, annotations, and security features.

To start working with IronPDF in Java, developers need to download the IronPDF Java library from the official website and import it into their Java project.

IronPDF

On the other hand, wkhtmltopdf is a command-line tool that converts the entire HTML content to Portable Document Format using the Qt WebKit rendering engine. It is an open-source tool available for Windows, Linux, and macOS. wkhtmltopdf offers various options and switches for customizing the PDF output file, such as setting margins, page size, and orientation.

To use wkhtmltopdf in Java, developers can execute the wkhtmltopdf tool using the Process class in Java.

wkhtmltopdf

Both IronPDF and wkhtmltopdf offer reliable PDF manipulation capabilities in Java. IronPDF is more suitable for developers who prefer to work with an API, while wkhtmltopdf is ideal for developers who prefer to work with command-line tools. IronPDF is also more feature-rich and offers more options for PDF customization, while wkhtmltopdf is faster and has a smaller footprint.

Summary Comparison of Both Libraries

Features

  • IronPDF is a fully-featured HTML to PDF converter that includes support for CSS, JavaScript, and HTML5. It can also be used to add headers, footers, and watermarks to PDF documents and to merge multiple PDF files into a single document. Additionally, it includes OCR functionality for converting scanned documents to searchable PDFs.
  • wkhtmltopdf is a command-line tool that primarily focuses on converting HTML to PDF. It includes basic support for CSS and JavaScript but does not support HTML5. It does not include any advanced features such as adding headers or footers or merging PDF files.

Performance

  • IronPDF is a .NET library optimized for performance and can be used directly within a C# or Java application. It is capable of handling large HTML files and can generate PDFs quickly and efficiently.
  • wkhtmltopdf is a command-line tool that relies on an external process to generate PDFs. This can result in slower performance, especially when processing large HTML files.

Ease of Use

  • IronPDF is designed to be easy to use and includes a simple API that can be integrated directly into a C# or Java application. It also includes extensive documentation and support resources to help developers get up and running quickly.
  • wkhtmltopdf requires developers to work with the command-line interface, which can be more complex and time-consuming. It also lacks the same level of documentation and support resources as IronPDF.

Platform Support

  • IronPDF is a .NET library that can be used with any .NET-based platform, including Windows, Linux, and macOS. It can also be used with Java using the IKVM.NET runtime.
  • wkhtmltopdf is a command-line tool that is available for Windows, Linux, and macOS. It can also be used with several programming languages, including C# and Java.

Cost

  • IronPDF is a commercial product that requires a paid license for use in production environments. However, it does offer a free trial version for developers to test and evaluate the tool.
  • wkhtmltopdf is an open-source tool that is free to use for both commercial and non-commercial purposes.

In summary, IronPDF is a more fully-featured and user-friendly HTML to PDF converter that is optimized for performance and can be used directly within a C# or Java application. However, it is a commercial product that requires a paid license for use in production environments. On the other hand, wkhtmltopdf is an open-source command-line tool that can be used with several programming languages, including C# and Java, but lacks some of the advanced features and ease of use of IronPDF.

Pricing and Licensing

IronPDF and wkhtmltopdf are two popular tools used for generating PDF documents from HTML content. While both of these tools offer similar functionality, there are differences in their licensing and pricing.

IronPDF is a commercial software library that requires a license for commercial use. It offers a range of licensing options, including per developer, per server, and per deployment licenses. IronPDF provides technical support and software updates for its licensed users. The pricing for IronPDF varies depending on the licensing option chosen.

On the other hand, wkhtmltopdf is an open-source tool that is available for free. It is licensed under the LGPLv3 license, which allows for the use, modification, and distribution of the software. However, it does not offer any technical support or software updates. The user community provides support and updates through various channels such as GitHub issues and Stack Overflow.

In terms of pricing, IronPDF is more expensive than wkhtmltopdf. The pricing for IronPDF starts at $399 per developer license, whereas wkhtmltopdf is free to use.

It's worth noting that both IronPDF and wkhtmltopdf use the Qt WebKit rendering engine for converting HTML content to PDF documents. They both offer command-line tools for generating PDF documents and support a range of input formats, including HTML, URLs, and local files.

IronPDF License Agreement Screen

In summary, IronPDF and wkhtmltopdf offer similar functionality for generating PDF documents from HTML content. The main differences lie in their licensing and pricing models. IronPDF is a commercial software library that requires a license for commercial use, while wkhtmltopdf is an open-source tool that is available for free. Both are very useful when creating a PDF app.

Conclusion

In conclusion, IronPDF is a powerful PDF manipulation library built for .NET languages. It is designed to provide developers with an easy-to-use and robust tool to create, edit, and manipulate PDF files. With a dedicated focus on ease of use and performance, IronPDF is an excellent choice for developers looking to create and manipulate PDFs in C# or Java.

On the other hand, wkhtmltopdf is a command-line tool that uses the Qt WebKit rendering engine to convert HTML into PDF files. It is open-source software that can be used on Windows, Linux, and macOS. While it is a powerful tool, its functionality is limited to converting HTML to PDF, and it requires some technical expertise to set up and use effectively.

One area where IronPDF shines compared to wkhtmltopdf is its licensing. IronPDF offers a commercial license that includes premium support and allows for use in commercial applications. This makes it a more attractive option for developers looking for a reliable and stable PDF manipulation library.

In terms of technical capabilities, IronPDF is superior to wkhtmltopdf. With features like page resizing, image compression, and document encryption, IronPDF offers developers greater flexibility in creating and manipulating PDF files. Additionally, IronPDF supports a wider range of image formats and has a simpler and more intuitive API, making it easier for developers to get started.

Lastly, it's worth mentioning that IronPDF is part of the Iron Software suite of products, which includes other useful libraries for .NET development. Developers can buy all five Iron Software products at the price of two licenses, making it an attractive package for those looking to get the most value for their money.

Frequently Asked Questions

What is wkhtmltopdf?

wkhtmltopdf is an open-source command-line tool that allows you to convert HTML pages or websites to PDF format. It is available for Windows, Linux, and macOS X operating systems and can be used with several programming languages, including C# and Java.

How do you install a tool to convert HTML to PDF in C#?

To install wkhtmltopdf in C#, download the current version for Windows from the official website, run the installer, and add the wkhtmltopdf executable to your system's PATH environment variable. Alternatively, you can use IronPDF by installing its NuGet package and importing the IronPDF namespace in your code.

What is a library for creating, manipulating, and converting PDFs using C# and Java?

IronPDF is a library that allows developers to create, manipulate, and convert PDFs using C# and Java. It provides a wide range of features, including HTML to PDF conversion, PDF generation from scratch, and PDF manipulation.

How do you install a PDF library for C#?

To install IronPDF for C#, install the IronPDF NuGet package using the Package Manager Console or via the Visual Studio UI. Then, import the IronPDF namespace in your code using 'using IronPdf;'.

What are the main differences between a fully-featured HTML to PDF converter and a command-line tool?

IronPDF is a fully-featured HTML to PDF converter that includes support for HTML5, CSS, and JavaScript, offering advanced features like headers, footers, and merging PDFs. wkhtmltopdf is a command-line tool with basic support for CSS and JavaScript, focusing primarily on HTML to PDF conversion.

Which is easier to use, a PDF library with a simple API or a command-line tool?

IronPDF is generally easier to use due to its simple API and extensive documentation, making it more user-friendly for developers. wkhtmltopdf requires command-line interface usage, which can be more complex.

What are the licensing differences between a commercial PDF library and an open-source tool?

IronPDF is a commercial software library requiring a paid license for commercial use, offering technical support and updates. wkhtmltopdf is open-source and free under the LGPLv3 license, but it does not offer official support or updates.

Can a PDF library be used with Java?

Yes, IronPDF has a Java version, allowing Java developers to use its features for creating, editing, and rendering PDF documents.

How is performance different between a PDF library optimized for performance and a command-line tool?

IronPDF is optimized for performance and can handle large HTML files efficiently. wkhtmltopdf, being a command-line tool, may experience slower performance due to reliance on external processes.

Is a PDF library part of a larger software suite?

Yes, IronPDF is part of the Iron Software suite, which includes other libraries for .NET development. Developers can purchase the entire suite at a discounted rate.

Chipego
Software Engineer
Chipego has a natural skill for listening that helps him to comprehend customer issues, and offer intelligent solutions. He joined the Iron Software team in 2023, after studying a Bachelor of Science in Information Technology. IronPDF and IronOCR are the two products Chipego has been focusing on, but his knowledge of all products is growing daily, as he finds new ways to support customers. He enjoys how collaborative life is at Iron Software, with team members from across the company bringing their varied experience to contribute to effective, innovative solutions. When Chipego is away from his desk, he can often be found enjoying a good book or playing football.