What are the main differences between iTextsharp and IronPDF when converting HTML to PDF?

The main differences lie in CSS styling support, ease of use, and licensing. IronPDF offers full support for modern HTML5 and CSS3, making it easier for developers to maintain the original layout and styling of web pages in PDFs. In contrast, iTextsharp only supports basic HTML/CSS2, requiring extra work for complex styling. IronPDF is known for its user-friendly interface, while iTextsharp is open-source but may be more complex to set up. IronPDF requires a commercial license, whereas iText is typically open-source.

How do IronPDF and iText differ in handling complex HTML and CSS when generating PDFs?

IronPDF excels at handling complex HTML and advanced CSS layouts like flexbox and grid, providing more accurate and visually consistent PDF outputs compared to the original web pages. iText, on the other hand, supports only basic HTML and CSS2, which limits its ability to process and render complex web page styles effectively.

What is the ease of use like between iText and IronPDF?

IronPDF is generally easier to use with its intuitive API and seamless integration with C# applications, making it ideal for developers who need quick and efficient PDF generation. iText offers flexibility and customization, but it can be more challenging to set up and use, especially for complex HTML and CSS rendering.

Can IronPDF handle inline CSS styling when converting HTML to PDFs?

Yes, IronPDF can handle inline CSS styling efficiently, rendering advanced HTML documents along with their styling into new PDF documents accurately, ensuring that the styling closely resembles the original content.

Which library is better for PDF manipulation tasks beyond simple HTML to PDF conversion?

IronPDF is well-suited for advanced PDF manipulation tasks beyond simple HTML to PDF conversion. It offers features for PDF security, document creation, and more, making it a comprehensive all-in-one PDF library.

What are the licensing differences between IronPDF and iText?

IronPDF is a commercial product, requiring a license for commercial use or use beyond development, while iText is typically available as open-source software but also offers commercial licenses for extended features or support.

Why might a developer choose IronPDF over iText for a project?

A developer might choose IronPDF over iText due to its ease of use, full CSS support, and robust performance with modern web content. IronPDF is ideal for projects that demand high-quality PDF output and seamless integration with existing C# applications.

Does IronPDF offer any features for generating invoices or branded documents?

Yes, IronPDF provides features for generating invoices, creating branded PDF documents, and converting entire web pages into professional PDFs, offering control over layout and styling to match branding requirements.

Which library has better community and premium support options?

IronPDF offers premium support to its commercial users, ensuring developers have access to timely assistance. iText has community support, which is beneficial for open-source projects but may not offer the same level of dedicated service as IronPDF's commercial support.

Can IronPDF automate HTML to PDF conversion for various use cases?

Yes, IronPDF can automate the conversion of HTML to PDF for various use cases, such as generating reports, documentation, and other PDF documents, making it a versatile tool for developers.

The C# PDF Library

Explore IronPDF Start Free Trial

HTML to PDF

Online Demo See All Code Examples

using IronPdf;

// Disable local disk access or cross-origin requests
Installation.EnableWebSecurity = true;

// Instantiate Renderer
var renderer = new ChromePdfRenderer();

// Create a PDF from a HTML string using C#
var pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>");

// Export to a file or Stream
pdf.SaveAs("output.pdf");

// Advanced Example with HTML Assets
// Load external html assets: Images, CSS and JavaScript.
// An optional BasePath 'C:\site\assets\' is set as the file location to load assets from
var myAdvancedPdf = renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", @"C:\site\assets\");
myAdvancedPdf.SaveAs("html-with-assets.pdf");

using IronPdf;

// Disable local disk access or cross-origin requests
Installation.EnableWebSecurity = true;

// Instantiate Renderer
var renderer = new ChromePdfRenderer();

// Create a PDF from a HTML string using C#
var pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>");

// Export to a file or Stream
pdf.SaveAs("output.pdf");

// Advanced Example with HTML Assets
// Load external html assets: Images, CSS and JavaScript.
// An optional BasePath 'C:\site\assets\' is set as the file location to load assets from
var myAdvancedPdf = renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", @"C:\site\assets\");
myAdvancedPdf.SaveAs("html-with-assets.pdf");

PM >Install-Package IronPdf

Install-Package IronPdf

PRODUCT COMPARISONS

iTextsharp HTML to PDF With CSS Styles C# Example vs IronPDF

Curtis Chau

Updated: July 19, 2026

Converting HTML to PDF is a crucial task in many modern software development workflows, whether it's for generating reports, invoices, or creating documentation. As a C# developer, you have several libraries at your disposal to streamline this process.

In this article, we'll compare two of the most popular libraries within the .NET ecosystem: IronPDF and iText. Both libraries offer robust functionality, but they differ in key areas such as ease of use, PDF creation tools, CSS styling support, and licensing. Whether you're a beginner or a seasoned developer, this guide will help you understand their core features and decide which one is the best fit for you based on your needs and project requirements.

Want to follow along? Download the IronPDF free trial to explore IronPDF's powerful features for yourself.

Comparing Top Libraries: iText and IronPDF

Both iText and IronPDF provide developers with the tools they need for HTML to PDF conversion in C#. However, each has its own strengths and weaknesses.

iText is an open-source library that has been around for a long time. It offers flexibility and extensive customization options, but it can be somewhat complex to set up and use, especially when dealing with advanced HTML and CSS rendering. However, it should be noted that iText is a legacy product and only receives security-related updates now.
IronPDF, on the other hand, is a commercial product developed by Iron Software. It is known for its user-friendly interface, robust CSS support, and ease of use. It integrates seamlessly with C# applications, making it an excellent choice for developers who need fast and efficient PDF generation without sacrificing quality.

Before we dive into how to convert HTML to PDF format with these two libraries, let's first look at a basic example comparison which shows the difference in how these two libraries handle converting CSS and JavaScript-heavy web page/HTML content into a PDF document.

iText vs IronPDF URL to PDF

As you can see from the resulting PDF documents, this demonstrates how iText can only process the raw HTML content from the provided URL, whereas IronPDF is capable of maintaining the original CSS layout and styling, ensuring the generated PDF document closely resembles the original web page.

Step-by-Step Installation Guide

Setting Up iText

Install via NuGet Console: To begin using iText, you can install it directly from NuGet. Open your Visual Studio project, go to the NuGet Package Manager, and run the following command:
PM > Install-Package iTextSharp
```
Install-Package iTextSharp
```
Install via NuGet Package Manager: Alternatively, you can install it via the NuGet package manager for the Solution screen. To do this, navigate to "Tools > NuGet Package Manager > Manage NuGet Packages for Solution".

Then, search for the iText library and click "Install".

iText NuGet screen

Add References: Once installed, add the necessary references in your project, particularly those related to HTML to PDF conversion.

using iTextSharp.text.pdf;
using iTextSharp.text.html.simpleparser;

using iTextSharp.text.pdf;
using iTextSharp.text.html.simpleparser;

Imports iTextSharp.text.pdf
Imports iTextSharp.text.html.simpleparser

Imports iTextSharp.text.pdf
Imports iTextSharp.text.html.simpleparser

Setting Up IronPDF

Install via NuGet Console: To begin using IronPDF, you can install it directly from NuGet. Open your Visual Studio project, go to the NuGet Package Manager, and run the following command:
PM > Install-Package IronPdf
```
Install-Package IronPdf
```
Install via NuGet Package Manager: Alternatively, you can install it via the NuGet package manager for the Solution screen just as we did in the steps above for iText. However, this time, search for IronPDF, before clicking "Install".
Add References: Once installed, import IronPDF into your project:
```
using IronPdf;
```
```
using IronPdf;
```
```
Imports IronPdf
```
```
Imports IronPdf
```

It is important to remember that IronPDF requires a license key for commercial use/use outside of development.

Implementing HTML to PDF Conversion

Using iText

Once iText is set up, ensure you have the itextsharp.xmlworker package installed within your project before you can start to create PDFs from HTML content. However, you'll face challenges with more complex HTML, especially when CSS styles are involved. iText tends to require additional effort to achieve perfect styling when compared to IronPDF. It's important to remember that iText handles basic HTML/CSS2 only (no flexbox, no grid, limited CSS).

using System;
using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.tool.xml;

// Register provider for specific code pages
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);

// Define HTML content with CSS styling
string html = @"
<html>
<head>
  <style>
    body { font-family: Arial; color: #333; }
    h1 { background: #3498db; color: #fff; padding: 10px; }
    table { width: 100%; border-collapse: collapse; margin-top: 15px; }
    th, td { border: 1px solid #ccc; padding: 6px; }
    th { background: #2980b9; color: #fff; }
    .footer { margin-top: 20px; font-size: 12px; color: #777; text-align: center; }
  </style>
</head>
<body>
  <h1>April Report</h1>
  <p>Here’s a quick overview of this month’s performance metrics.</p>
  <table>
    <tr><th>Metric</th><th>Value</th></tr>
    <tr><td>Features</td><td>12</td></tr>
    <tr><td>Bugs Fixed</td><td>89</td></tr>
  </table>
  <p class='footer'>Generated by iTextSharp</p>
</body>
</html>";

// Create PDF from HTML content
using (FileStream stream = new FileStream("report.pdf", FileMode.Create))
{
    Document pdfDoc = new Document(PageSize.A4, 25, 25, 30, 30);
    PdfWriter writer = PdfWriter.GetInstance(pdfDoc, stream);
    pdfDoc.Open();
    using (StringReader sr = new StringReader(html))
    {
        // Use XMLWorkerHelper to parse and add HTML content to the PDF document
        XMLWorkerHelper.GetInstance().ParseXHtml(writer, pdfDoc, sr);
    }
    pdfDoc.Close();
    writer.Close();
}
Console.WriteLine("PDF generation completed successfully.");

using System;
using System.IO;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.tool.xml;

// Register provider for specific code pages
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);

// Define HTML content with CSS styling
string html = @"
<html>
<head>
  <style>
    body { font-family: Arial; color: #333; }
    h1 { background: #3498db; color: #fff; padding: 10px; }
    table { width: 100%; border-collapse: collapse; margin-top: 15px; }
    th, td { border: 1px solid #ccc; padding: 6px; }
    th { background: #2980b9; color: #fff; }
    .footer { margin-top: 20px; font-size: 12px; color: #777; text-align: center; }
  </style>
</head>
<body>
  <h1>April Report</h1>
  <p>Here’s a quick overview of this month’s performance metrics.</p>
  <table>
    <tr><th>Metric</th><th>Value</th></tr>
    <tr><td>Features</td><td>12</td></tr>
    <tr><td>Bugs Fixed</td><td>89</td></tr>
  </table>
  <p class='footer'>Generated by iTextSharp</p>
</body>
</html>";

// Create PDF from HTML content
using (FileStream stream = new FileStream("report.pdf", FileMode.Create))
{
    Document pdfDoc = new Document(PageSize.A4, 25, 25, 30, 30);
    PdfWriter writer = PdfWriter.GetInstance(pdfDoc, stream);
    pdfDoc.Open();
    using (StringReader sr = new StringReader(html))
    {
        // Use XMLWorkerHelper to parse and add HTML content to the PDF document
        XMLWorkerHelper.GetInstance().ParseXHtml(writer, pdfDoc, sr);
    }
    pdfDoc.Close();
    writer.Close();
}
Console.WriteLine("PDF generation completed successfully.");

Imports System
Imports System.IO
Imports iTextSharp.text
Imports iTextSharp.text.pdf
Imports iTextSharp.tool.xml

' Register provider for specific code pages
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance)

' Define HTML content with CSS styling
Dim html As String = "
<html>
<head>
  <style>
    body { font-family: Arial; color: #333; }
    h1 { background: #3498db; color: #fff; padding: 10px; }
    table { width: 100%; border-collapse: collapse; margin-top: 15px; }
    th, td { border: 1px solid #ccc; padding: 6px; }
    th { background: #2980b9; color: #fff; }
    .footer { margin-top: 20px; font-size: 12px; color: #777; text-align: center; }
  </style>
</head>
<body>
  <h1>April Report</h1>
  <p>Here’s a quick overview of this month’s performance metrics.</p>
  <table>
    <tr><th>Metric</th><th>Value</th></tr>
    <tr><td>Features</td><td>12</td></tr>
    <tr><td>Bugs Fixed</td><td>89</td></tr>
  </table>
  <p class='footer'>Generated by iTextSharp</p>
</body>
</html>"

' Create PDF from HTML content
Using stream As New FileStream("report.pdf", FileMode.Create)
	Dim pdfDoc As New Document(PageSize.A4, 25, 25, 30, 30)
	Dim writer As PdfWriter = PdfWriter.GetInstance(pdfDoc, stream)
	pdfDoc.Open()
	Using sr As New StringReader(html)
		' Use XMLWorkerHelper to parse and add HTML content to the PDF document
		XMLWorkerHelper.GetInstance().ParseXHtml(writer, pdfDoc, sr)
	End Using
	pdfDoc.Close()
	writer.Close()
End Using
Console.WriteLine("PDF generation completed successfully.")

Imports System
Imports System.IO
Imports iTextSharp.text
Imports iTextSharp.text.pdf
Imports iTextSharp.tool.xml

' Register provider for specific code pages
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance)

' Define HTML content with CSS styling
Dim html As String = "
<html>
<head>
  <style>
    body { font-family: Arial; color: #333; }
    h1 { background: #3498db; color: #fff; padding: 10px; }
    table { width: 100%; border-collapse: collapse; margin-top: 15px; }
    th, td { border: 1px solid #ccc; padding: 6px; }
    th { background: #2980b9; color: #fff; }
    .footer { margin-top: 20px; font-size: 12px; color: #777; text-align: center; }
  </style>
</head>
<body>
  <h1>April Report</h1>
  <p>Here’s a quick overview of this month’s performance metrics.</p>
  <table>
    <tr><th>Metric</th><th>Value</th></tr>
    <tr><td>Features</td><td>12</td></tr>
    <tr><td>Bugs Fixed</td><td>89</td></tr>
  </table>
  <p class='footer'>Generated by iTextSharp</p>
</body>
</html>"

' Create PDF from HTML content
Using stream As New FileStream("report.pdf", FileMode.Create)
	Dim pdfDoc As New Document(PageSize.A4, 25, 25, 30, 30)
	Dim writer As PdfWriter = PdfWriter.GetInstance(pdfDoc, stream)
	pdfDoc.Open()
	Using sr As New StringReader(html)
		' Use XMLWorkerHelper to parse and add HTML content to the PDF document
		XMLWorkerHelper.GetInstance().ParseXHtml(writer, pdfDoc, sr)
	End Using
	pdfDoc.Close()
	writer.Close()
End Using
Console.WriteLine("PDF generation completed successfully.")

Output PDF File

iText HTML to PDF output

Using IronPDF

IronPDF simplifies the PDF generation process, able to easily convert HTML content into new PDF documents in just a few lines of code, as demonstrated in the code sample below. It's capable of working with advanced HTML documents with CSS files used for styling, HTML strings, and CSS/JavaScript-heavy web content.

Here's a simple example that includes inline CSS:

using IronPdf;

class Program
{
    static void Main()
    {
        // Define HTML content with inline CSS styling
        var content = @"
        <html>
        <head>
            <style>
                body {
                    font-family: 'Segoe UI', sans-serif;
                    margin: 40px;
                    background-color: #f8f9fa;
                }
                h1 {
                    color: #2c3e50;
                    border-bottom: 2px solid #2980b9;
                    padding-bottom: 10px;
                }
                table {
                    width: 100%;
                    border-collapse: collapse;
                    margin-top: 20px;
                }
                table, th, td {
                    border: 1px solid #ccc;
                }
                th {
                    background-color: #2980b9;
                    color: white;
                    padding: 10px;
                }
                td {
                    padding: 10px;
                    background-color: #ecf0f1;
                }
                .footer {
                    margin-top: 40px;
                    text-align: center;
                    font-size: 0.9em;
                    color: #7f8c8d;
                }
                img {
                    width: 120px;
                    float: right;
                }
            </style>
        </head>
        <body>
            <img src='https://ironpdf.com/img/svgs/iron-pdf-logo.svg' alt='Company Logo' />
            <h1>Monthly Report - April 2025</h1>
            <p>This report outlines performance statistics and key updates for the development team.</p>

            <table>
                <tr>
                    <th>Metric</th>
                    <th>Value</th>
                    <th>Change</th>
                </tr>
                <tr>
                    <td>Feature Releases</td>
                    <td>12</td>
                    <td style='color: green;'>+20%</td>
                </tr>
                <tr>
                    <td>Bugs Resolved</td>
                    <td>89</td>
                    <td style='color: green;'>+45%</td>
                </tr>
                <tr>
                    <td>Downtime</td>
                    <td>2 hrs</td>
                    <td style='color: red;'>+15%</td>
                </tr>
            </table>

            <div class='footer'>
                Generated with IronPDF | © 2025 DevCorp
            </div>
        </body>
        </html>";

        // Use ChromePdfRenderer to render the HTML content as a PDF
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderHtmlAsPdf(content);
        pdf.SaveAs("AdvancedStyledReport.pdf");
    }
}

using IronPdf;

class Program
{
    static void Main()
    {
        // Define HTML content with inline CSS styling
        var content = @"
        <html>
        <head>
            <style>
                body {
                    font-family: 'Segoe UI', sans-serif;
                    margin: 40px;
                    background-color: #f8f9fa;
                }
                h1 {
                    color: #2c3e50;
                    border-bottom: 2px solid #2980b9;
                    padding-bottom: 10px;
                }
                table {
                    width: 100%;
                    border-collapse: collapse;
                    margin-top: 20px;
                }
                table, th, td {
                    border: 1px solid #ccc;
                }
                th {
                    background-color: #2980b9;
                    color: white;
                    padding: 10px;
                }
                td {
                    padding: 10px;
                    background-color: #ecf0f1;
                }
                .footer {
                    margin-top: 40px;
                    text-align: center;
                    font-size: 0.9em;
                    color: #7f8c8d;
                }
                img {
                    width: 120px;
                    float: right;
                }
            </style>
        </head>
        <body>
            <img src='https://ironpdf.com/img/svgs/iron-pdf-logo.svg' alt='Company Logo' />
            <h1>Monthly Report - April 2025</h1>
            <p>This report outlines performance statistics and key updates for the development team.</p>

            <table>
                <tr>
                    <th>Metric</th>
                    <th>Value</th>
                    <th>Change</th>
                </tr>
                <tr>
                    <td>Feature Releases</td>
                    <td>12</td>
                    <td style='color: green;'>+20%</td>
                </tr>
                <tr>
                    <td>Bugs Resolved</td>
                    <td>89</td>
                    <td style='color: green;'>+45%</td>
                </tr>
                <tr>
                    <td>Downtime</td>
                    <td>2 hrs</td>
                    <td style='color: red;'>+15%</td>
                </tr>
            </table>

            <div class='footer'>
                Generated with IronPDF | © 2025 DevCorp
            </div>
        </body>
        </html>";

        // Use ChromePdfRenderer to render the HTML content as a PDF
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderHtmlAsPdf(content);
        pdf.SaveAs("AdvancedStyledReport.pdf");
    }
}

Imports IronPdf

Friend Class Program
	Shared Sub Main()
		' Define HTML content with inline CSS styling
		Dim content = "
        <html>
        <head>
            <style>
                body {
                    font-family: 'Segoe UI', sans-serif;
                    margin: 40px;
                    background-color: #f8f9fa;
                }
                h1 {
                    color: #2c3e50;
                    border-bottom: 2px solid #2980b9;
                    padding-bottom: 10px;
                }
                table {
                    width: 100%;
                    border-collapse: collapse;
                    margin-top: 20px;
                }
                table, th, td {
                    border: 1px solid #ccc;
                }
                th {
                    background-color: #2980b9;
                    color: white;
                    padding: 10px;
                }
                td {
                    padding: 10px;
                    background-color: #ecf0f1;
                }
                .footer {
                    margin-top: 40px;
                    text-align: center;
                    font-size: 0.9em;
                    color: #7f8c8d;
                }
                img {
                    width: 120px;
                    float: right;
                }
            </style>
        </head>
        <body>
            <img src='https://ironpdf.com/img/svgs/iron-pdf-logo.svg' alt='Company Logo' />
            <h1>Monthly Report - April 2025</h1>
            <p>This report outlines performance statistics and key updates for the development team.</p>

            <table>
                <tr>
                    <th>Metric</th>
                    <th>Value</th>
                    <th>Change</th>
                </tr>
                <tr>
                    <td>Feature Releases</td>
                    <td>12</td>
                    <td style='color: green;'>+20%</td>
                </tr>
                <tr>
                    <td>Bugs Resolved</td>
                    <td>89</td>
                    <td style='color: green;'>+45%</td>
                </tr>
                <tr>
                    <td>Downtime</td>
                    <td>2 hrs</td>
                    <td style='color: red;'>+15%</td>
                </tr>
            </table>

            <div class='footer'>
                Generated with IronPDF | © 2025 DevCorp
            </div>
        </body>
        </html>"

		' Use ChromePdfRenderer to render the HTML content as a PDF
		Dim renderer = New ChromePdfRenderer()
		Dim pdf = renderer.RenderHtmlAsPdf(content)
		pdf.SaveAs("AdvancedStyledReport.pdf")
	End Sub
End Class

Imports IronPdf

Friend Class Program
	Shared Sub Main()
		' Define HTML content with inline CSS styling
		Dim content = "
        <html>
        <head>
            <style>
                body {
                    font-family: 'Segoe UI', sans-serif;
                    margin: 40px;
                    background-color: #f8f9fa;
                }
                h1 {
                    color: #2c3e50;
                    border-bottom: 2px solid #2980b9;
                    padding-bottom: 10px;
                }
                table {
                    width: 100%;
                    border-collapse: collapse;
                    margin-top: 20px;
                }
                table, th, td {
                    border: 1px solid #ccc;
                }
                th {
                    background-color: #2980b9;
                    color: white;
                    padding: 10px;
                }
                td {
                    padding: 10px;
                    background-color: #ecf0f1;
                }
                .footer {
                    margin-top: 40px;
                    text-align: center;
                    font-size: 0.9em;
                    color: #7f8c8d;
                }
                img {
                    width: 120px;
                    float: right;
                }
            </style>
        </head>
        <body>
            <img src='https://ironpdf.com/img/svgs/iron-pdf-logo.svg' alt='Company Logo' />
            <h1>Monthly Report - April 2025</h1>
            <p>This report outlines performance statistics and key updates for the development team.</p>

            <table>
                <tr>
                    <th>Metric</th>
                    <th>Value</th>
                    <th>Change</th>
                </tr>
                <tr>
                    <td>Feature Releases</td>
                    <td>12</td>
                    <td style='color: green;'>+20%</td>
                </tr>
                <tr>
                    <td>Bugs Resolved</td>
                    <td>89</td>
                    <td style='color: green;'>+45%</td>
                </tr>
                <tr>
                    <td>Downtime</td>
                    <td>2 hrs</td>
                    <td style='color: red;'>+15%</td>
                </tr>
            </table>

            <div class='footer'>
                Generated with IronPDF | © 2025 DevCorp
            </div>
        </body>
        </html>"

		' Use ChromePdfRenderer to render the HTML content as a PDF
		Dim renderer = New ChromePdfRenderer()
		Dim pdf = renderer.RenderHtmlAsPdf(content)
		pdf.SaveAs("AdvancedStyledReport.pdf")
	End Sub
End Class

Output PDF File

IronPDF HTML to PDF output

With IronPDF, you can expect a polished PDF file with accurate CSS styling, as seen with the above code example, making it a go-to for many developers working with complex HTML files, strings, and more. Beyond simple HTML to PDF document conversion tasks, IronPDF is capable of advanced PDF manipulation tasks and PDF security. This makes it an excellent all-in-one PDF library.

Key Differences and Competitor Landscape

When evaluating iText and IronPDF, it's important to consider not just their features, but also the competitive landscape. Other competitors like Apryse and Aspose.PDF offer similar HTML to PDF solutions, but with their own trade-offs in terms of pricing and functionality.

Feature	IronPDF	iText	Apryse	Aspose.PDF
Ease of Use	High	Medium	High	Medium
CSS Support	Full	Partial	Full	Full
Licensing	Commercial	Open Source	Commercial	Commercial
Support	Excellent	Community	Premium	Premium
Pricing	From $999	Free/Commercial license	Quote-based	From $1,679 per year

IronPDF stands out due to its comprehensive support for modern HTML5 and CSS3, which is critical for most developers today. Its extended support for manipulating PDF documents, control over PDF document creation, ease with the conversion process, and more, make IronPDF a popular PDF library.

Conclusion and Recommendations

In conclusion, both IronPDF and iText offer strong capabilities for HTML to PDF conversion in C#, but they cater to different types of developers. If you're looking for an open-source solution with strong community support, iText may be the right choice. However, for developers who need ease of use, robust CSS support, and a commercial solution, IronPDF offers a far more streamlined and feature-rich experience. Whether you're looking for a tool that can automate generating invoices, create branded PDF documents, or convert entire web pages to PDF files, IronPDF has you covered.

Try IronPDF's user-friendly features today - download the free trial for a firsthand experience and see how easy HTML to PDF conversion can be.

Please note: iText is a registered trademark of its respective owner. This site is not affiliated with, endorsed by, or sponsored by iText. All product names, logos, and brands are property of their respective owners. Comparisons are for informational purposes only and reflect publicly available information at the time of writing.

Curtis Chau

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Technical Writer

Curtis Chau holds a Bachelor’s degree in Computer Science (Carleton University) and specializes in front-end development with expertise in Node.js, TypeScript, JavaScript, and React. Passionate about crafting intuitive and aesthetically pleasing user interfaces, Curtis enjoys working with modern frameworks and creating well-structured, visually appealing manuals.

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