The C# PDF Library

HTML to PDF Run

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");

HTML File to PDF Run

using IronPdf;

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

// Create a PDF from an existing HTML file using C#
var pdf = renderer.RenderHtmlFileAsPdf("example.html");

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

URL to PDF Run

using IronPdf;

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

// Create a PDF from a URL or local file path
var pdf = renderer.RenderUrlAsPdf("https://ironpdf.com/");

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

 ASPX To PDF (Advanced Settings)
﻿using IronPdf;

var PdfOptions = new IronPdf.ChromePdfRenderOptions()
{
    CreatePdfFormsFromHtml = true,
    EnableJavaScript = false,
    Title = "My ASPX Page Rendered as a PDF"
    //.. many more options available
};

AspxToPdf.RenderThisPageAsPdf(AspxToPdf.FileBehavior.Attachment, "MyPdfFile.pdf", PdfOptions);

 Images To PDF
using IronPdf;
using System.IO;
using System.Linq;

// One or more images as IEnumerable. This example selects all JPEG images in a specific 'assets' folder.
var imageFiles = Directory.EnumerateFiles("assets").Where(f => f.EndsWith(".jpg") || f.EndsWith(".jpeg"));

// Converts the images to a PDF and save it.
ImageToPdfConverter.ImageToPdf(imageFiles).SaveAs("composite.pdf");

// Also see PdfDocument.RasterizeToImageFiles() method to flatten a PDF to images or thumbnails

 Headers & Footers
using IronPdf;

// Initiate PDF Renderer
var renderer = new ChromePdfRenderer();

// Add a header to every page easily
renderer.RenderingOptions.FirstPageNumber = 1; // use 2 if a cover page  will be appended
renderer.RenderingOptions.TextHeader.DrawDividerLine = true;
renderer.RenderingOptions.TextHeader.CenterText = "{url}";
renderer.RenderingOptions.TextHeader.Font = IronSoftware.Drawing.FontTypes.Helvetica;
renderer.RenderingOptions.TextHeader.FontSize = 12;
renderer.RenderingOptions.MarginTop = 25; //create 25mm space for header

// Add a footer too
renderer.RenderingOptions.TextFooter.DrawDividerLine = true;
renderer.RenderingOptions.TextFooter.Font = IronSoftware.Drawing.FontTypes.Arial;
renderer.RenderingOptions.TextFooter.FontSize = 10;
renderer.RenderingOptions.TextFooter.LeftText = "{date} {time}";
renderer.RenderingOptions.TextFooter.RightText = "{page} of {total-pages}";
renderer.RenderingOptions.MarginTop = 25; //create 25mm space for footer

// Mergeable fields are:
// {page} {total-pages} {url} {date} {time} {html-title} & {pdf-title}

 PDF Forms
using IronPdf;
using System;

// Step 1.  Creating a PDF with editable forms from HTML using form and input tags
// Radio Button and Checkbox can also be implemented with input type 'radio' and 'checkbox'
const string formHtml = @"
    <html>
        <body>
            <h2>Editable PDF  Form</h2>
            <form>
              First name: <br> <input type='text' name='firstname' value=''> <br>
              Last name: <br> <input type='text' name='lastname' value=''> <br>
              <br>
              <p>Please specify your gender:</p>
              <input type='radio' id='female' name='gender' value= 'Female'>
                <label for='female'>Female</label> <br>
                <br>
              <input type='radio' id='male' name='gender' value='Male'>
                <label for='male'>Male</label> <br>
                <br>
              <input type='radio' id='non-binary/other' name='gender' value='Non-Binary / Other'>
                <label for='non-binary/other'>Non-Binary / Other</label>
              <br>

              <p>Please select all medical conditions that apply:</p>
              <input type='checkbox' id='condition1' name='Hypertension' value='Hypertension'>
              <label for='condition1'> Hypertension</label><br>
              <input type='checkbox' id='condition2' name='Heart Disease' value='Heart Disease'>
              <label for='condition2'> Heart Disease</label><br>
              <input type='checkbox' id='condition3' name='Stoke' value='Stoke'>
              <label for='condition3'> Stoke</label><br>
              <input type='checkbox' id='condition4' name='Diabetes' value='Diabetes'>
              <label for='condition4'> Diabetes</label><br>
              <input type='checkbox' id='condition5' name='Kidney Disease' value='Kidney Disease'>
              <label for='condition5'> Kidney Disease</label><br>
            </form>
        </body>
    </html>";

// Instantiate Renderer
var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.CreatePdfFormsFromHtml = true;
renderer.RenderHtmlAsPdf(formHtml).SaveAs("BasicForm.pdf");

// Step 2. Reading and Writing PDF form values.
var FormDocument = PdfDocument.FromFile("BasicForm.pdf");

// Set and Read the value of the "firstname" field
var FirstNameField = FormDocument.Form.FindFormField("firstname");
FirstNameField.Value = "Minnie";
Console.WriteLine("FirstNameField value: {0}", FirstNameField.Value);

// Set and Read the value of the "lastname" field
var LastNameField = FormDocument.Form.FindFormField("lastname");
LastNameField.Value = "Mouse";
Console.WriteLine("LastNameField value: {0}", LastNameField.Value);

FormDocument.SaveAs("FilledForm.pdf");

 Responsive HTML to PDF
using IronPdf;
using IronPdf.Engines.Chrome;

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

// Set the width of the Responsive Viewport in pixels
int pixelWidth = 1280;
renderer.RenderingOptions.PaperFit.UseResponsiveCssRendering(pixelWidth);

// Set paper mode to automatic fit to physical paper
renderer.RenderingOptions.FitToPaperMode = FitToPaperModes.AutomaticFit;

// Render an HTML file
var pdf = renderer.RenderHtmlFileAsPdf("Assets/Responsive.html");

Product Comparisons

April 30, 2024

A Comparsion Between Report .NET & IronPDF

Report.NET is a robust C# library designed to help developers create, manage, and manipulate PDF documents directly within their .NET applications

April 4, 2024

How to Add Page Numbers in PDF using iTextSharp in C#

In this article, we are going to see how to add page numbers in PDF using iTextSharp C#

April 4, 2024

How to Read PDF Documents in C# using iTextSharp:

In this article, we will learn the process of reading PDF files using iTextSharp in C#, exploring the essential steps and providing a comprehensive guide to help you unlock the potential of this versatile library.

April 4, 2024

iTextSharp Read PDF Alternatives (Developer Tutorial)

we will compare two popular libraries for reading PDF files in C#: IronPDF and iTextSharp (the latest .NET library iText).

April 4, 2024

C# Reporting Tools (Features Comparison)

In this article, we are going to look at reporting tools for .NET report designers in detail.

March 7, 2024

A Comparison Between IronPDF & PDFSharpCore

PDFSharpCore library is a partial port of the original PDFsharp library. It targets .NET Core additionally MigraDoc foundation

March 7, 2024

A Comparison Between IronPDF & Apryse C#

In this comparison, we're looking at two popular PDF libraries: IronPDF and Apryse C#

March 7, 2024

A Comparison of Splitting PDF in C# Between iTextSharp and IronPDF

In this article, we'll learn how to split PDFs using C#. C# is a versatile and powerful language, and there are several libraries available that make it relatively straightforward to manipulate PDFs

February 19, 2024

PDFsharp vs iTextSharp (C# PDF Library Comparison)

In this article, we will delve into details of the installation processes, provide code examples for basic tasks, and ultimately assess these three PDF libraries to determine the best choice for your PDF-related needs.

January 28, 2024

A Comparison Between IronPDF and PdfPig

PdfPig is a C# library primarily focused on reading and extracting content from PDF files. It's a port of the popular PDFBox library and is tailored for the .NET platform

December 25, 2023

PDFsharp View PDF Alternatives Using IronPDF

This article explores the significance of viewing PDFs using C#, introduces two powerful libraries - PDFsharp and IronPDF - and provides step-by-step instructions on installing and utilizing them to view PDFs.

December 25, 2023

A Comparison Between IronPDF and DinktoPdf

DinkToPdf library , also known as wrapper for WkHtmlToPdf library that uses webkit engine to convert HTML to PDF

December 13, 2023

A Comparison of Between Jsreport and IronPDF

JSReport SDK .NET is an advanced reporting solution for .NET applications, particularly optimized for ASP.NET Core environments

December 13, 2023

A Comparison of Creating PDF in C# Between ITextSharp and IronPDF

In this article, we will explore the process of creating PDF documents programmatically in C# with two popular libraries: iTextSharp and IronPDF.

November 15, 2023

iTextSharp Documentation Reviewed VS IronPDF

In this article, we will compare these two libraries based on their documentation and customer support to help developers make the best choice based on their needs and current skill level.

November 15, 2023

Extract Text From PDF in C# Using iTextSharp VS IronPDF

iTextSharp effectively for text extraction. We will also discuss and compare the best and most powerful PDF library IronPDF in this post.

November 15, 2023

A Comparison Between Puppeteer & IronPDF in C#

In this article, we are comparing Puppeteer and IronPDF.

November 14, 2023

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

iTextSharp is a renowned open-source library commonly used for creating and manipulating PDF documents in C#. Now, it is commonly known as iText7

September 13, 2023

How to Merge PDF Files Using iTextSharp

In this article, we will explore how to merge PDFs using iTextSharp and compare it with IronPDF to help you make an informed decision when choosing a library for your PDF manipulation needs.

September 7, 2023

A Comparison Between Adobe Reader SDK in C# & IronPDF

In the world of .NET C# development, two prominent libraries stand out for working with PDF files - Acrobat Adobe Reader SDK and IronPDF

August 25, 2023

How to Convert PDF to Image Using Itextsharp

This article explores the significance of converting PDFs to images Java and tools available to accomplish

June 21, 2023

iText7 Read PDF in C# Alternatives (VS IronPDF)

iText 7 now formally known as iText 7 Core is a PDF library to program PDF documents in .NET C# and Java. It is available as open source license (AGPL) and can be licensed for commercial applications.

June 7, 2023

A Comparison Between IronPDF & Foxit PDF SDK

Foxit PDF SDK and IronPDF are two of the most popular PDF processing SDKs available in the market. Both SDKs offer a wide range of features that cater to developers' needs.

May 31, 2023

Create PDF From Byte Array C# iTextSharp (vs IronPDF)

We can create PDF documents with public static byte arrays generated from the iText document doc. Below is the sample which help us to create a new document with the help of the iText PDF library.

May 9, 2023

A Comparison Between iTextSharp and IronPDF For Editing PDFs

In this tutorial, we will discuss how to edit PDF files using iTextSharp and IronPDF libraries and compare them both.

May 2, 2023

What is iText? (C# and Java PDF Library Alternatives Using IronPDF)

The iText Group is a world pioneer in PDF (Portable Document Format) technology, including products such as iText 7 Suite, iText pdf2Data, and iText DITO application software.

April 22, 2023

How to Generate PDF in C# (.NET 5) using PDFSharp

The video is an instructional guide on how to use the PDFsharp library to generate a PDF file using C# code.

April 19, 2023

A Comparison Between Wkhtmltopdf in Windows & IronPDF

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.

April 19, 2023

Add Digital Signature to PDF in C# Using Itextsharp

In this tutorial, we will show you how to add digital signature information to a PDF file in C# using the iTextSharp and IronPDF libraries.

March 13, 2023

A Comparison between IronPDF and ExpertPDF for .NET

ExpertPDF is also a .NET library that offers developers to convert from HTML to PDF on the fly. If you need to generate PDF reports or make a PDF reader, you don't have to use complex report generating software anymore.

February 22, 2023

Product Comparisons with IronPDF

In this blog post, we do an in-depth comparison of IronPDF with four other leading HTML-to-PDF Conversion Libraries.

February 3, 2023

itext7 Extract Text From PDF vs IronPDF (Code Example Tutorial)

IronPDF is a library developed and maintained by Iron Software that helps C# and Java Software Engineers to create, edit and extract PDF content in projects in .NET/Java.

January 26, 2023

A Comparison between IronPDF and PDFium.NET

IronPDF and PDFium.NET are two libraries that provide methods for creating, manipulating, and printing PDFs in .NET and .NET Core.

December 12, 2022

A Comparison between IronPDF and Apitron PDF Kit

Apitron PDF Kit is a .NET component that allows you to manipulate or convert PDF files in whatever way you want. You can add images, drawings, texts, sign documents, and much more.

December 11, 2022

Telerik HTML to PDF Generator vs IronPDF

Telerik PDF Processing, part of Progress product portfolio, allows you to create PDFs and export these documents without writing any code.

November 16, 2022

A Comparison between IronPDF and GroupDocs

GroupDocs.Annotation for .NET is a set of APIs that enables you to create document annotation and document manipulation management apps using C#, ASP.NET, and other .NET technologies.

November 15, 2022

A Comparison between IronPDF and PDFNet

The PDFNet SDK is compatible with many platforms and frameworks to handle all PDF-related tasks.

November 14, 2022

A Comparison between IronPDF and PSPDFKit

PSPDFKit Library for .NET is a software development kit (SDK) for editing, filling out forms, redacting, and producing PDFs. It provides a robust API for adding PDF capability to any .NET application rapidly.

October 15, 2022

A Comparison between QuestPDF and IronPDF

QuestPDF implements its own layout engine that renders the full content using the SkiaSharp library.

October 13, 2022

A Comparison between IronPDF and Innovasys Document! X

Innovasys is a subsidiary company of Orbis Technologies Inc., a global pioneer in offering clients with revolutionary content management software.

October 2, 2022

A Comparison between IronPDF and NReco .NET Core

IronPDF and NReco are two libraries that may be used to produce, read, and change PDF files in your .NET application.

September 28, 2022

A Comparison between IronPDF and XFINIUM.PDF

The XFINIUM.PDF library is a cross platform PDF processing library. It has a large variety of capabilities.

September 27, 2022

A Comparison between IronPDF and SautinSoft PDF Focus

In this article, we will compare the two of the most popular PDF libraries for .NET applications. These two libraries are IronPDF and SautinSoft PDF Focus.

September 26, 2022

A Comparison between IronPDF and PDFShift

PDFShift is an HTML-to-PDF conversion API tool that enables organizations to convert HTML pages to PDF in a matter of seconds.

September 3, 2022

A Comparison between IronPDF and Textcontrol

Creating PDF files is often a tricky part of business applications. Using TX Text Control, you can create documents from scratch programmatically.

September 2, 2022

A Comparison between IronPDF & GrapeCity PDF Viewer

GrapeCity Documents for PDF is a solution that allows developers to import/export, create AcroForms (PDF Forms).

September 1, 2022

A Comparison between IronPDF & iText7

The iText 7 suite is a comprehensive PDF SDK that comprises the open source iText 7 Core PDF library as well as optional add-ons to meet your specific requirements.

June 12, 2022

A Comparison between IronPDF and Winnovative PDF Library for .NET

The Winnovative HTML-to-PDF Converter library for Dot NET and Dot NET Core can be used to convert URLs, HTML strings, and streams to a PDF documents.

June 6, 2022

A Comparison between IronPDF and ABCpdf

The ABCpdf .NET C# PDF library is a .NET component for the dynamic reading, writing, conversion and manipulation of Adobe PDF documents.

May 23, 2022

A Comparison between IronPDF and Bitmiracle.Docotic.Pdf

IronPDF and Bitmiracle.docotic.pdf are two libraries that may be used in your Microsoft.NET application to create, read, and alter a PDF document.

May 18, 2022

A Comparison between IronPDF and Devexpress PDF Viewer

IronPDF and Devexpress pdf are two libraries that may be used in your Microsoft.NET application.

May 17, 2022

A Comparison between IronPDF and SelectPDF

SelectPDF for .NET is a professional PDF library that can be used for creating, writing, editing, handling and reading PDF files without any external dependencies within .NET applications.

May 16, 2022

A Comparison between IronPDF and EVOPDF

IronPDF and EVOPDF are both libraries that provide methods to create, manipulate and print PDFs in .NET and .NET Core. The next question is to decide which C# PDF Library is best suited for your.

April 14, 2022

A Comparison between IronPDF and PDFTron

IronPDF and PDFTron are both libraries that provide methods to create, manipulate and print PDF in .NET and .NET Core. The next question is to decide which C# PDF Library is best suited for your needs.

April 12, 2022

A Comparison between IronPDF and GemBox.Pdf

IronPDF and GemBox.Pdf are both libraries that provide methods to create, manipulate and print PDFs in .NET and .NET Core.

April 11, 2022

A Comparison between IronPDF and HiQPdf C#

IronPDF and HiQPdf are two libraries that may be used to produce, read, and change PDF files in your Microsoft.net application.

April 1, 2022

A Comparison between IronPDF and ITextPDF

Using the ITextPDF and IronPDF libraries, you are able to create, read, and modify a PDF file within your Microsoft.NET applications and web application.

March 31, 2022

A Comparison between IronPDF and PDFreactor

PDFreactor and IronPDF give engineers the tools to generate, manipulate, edit, format, and print PDF documents from various inputs.

March 23, 2022

IronPDF and Docraptor - A Comprehensive Comparison

This article will compare the two most praised C# libraries for PDF conversions among developers. Following are comparisons for Docraptor & IronPDF.

March 17, 2022

A Comparison between IronPDF and EO.Pdf

The library IronPDF and EO.Pdf are both used to create read or modify PDF files in your Microsoft.net application both ASP.NET web application and traditional windows application.

March 16, 2022

IronPDF and DynamicPDF - A Comprehensive Comparison

The library IronPDF and Dynamic PDF are both used to create, read or modify PDF files in your Microsoft.NET application both ASP.NET web applications and traditional windows applications.

December 14, 2021

A Comparison between IronPDF and PDFCrowd

IronPDF and PDFCrowd are both libraries that provide methods to create, manipulate and print PDFs in .NET and .NET Core. The next question is to decide which C# PDF Library is best suited for your .NET project?

November 9, 2021

iTextSharp C# HTML to PDF Alternative for .NET Core

IronPDF and iText 7 (formerly known as iTextSharp) both provide the ability generate, manipulate, and print PDFs in .NET and .NET Core.

October 4, 2021

Syncfusion PDF Viewer Comparison for HTML to PDF

Handling PDFs, including generating, editing, deleting, manipulating and customizing document outputs in .NET, can be done efficiently with IronPDFs library.

October 1, 2021

Wkhtmltopdf C# Comparison with Code Examples

Step-by-step tutorial with code examples for working with PDFs using wkhtmltopdf and IronPDF.

September 27, 2021

Aspose PDF Converter Tutorial and Comparison

When we need to purchase APIs for our project, pricing and licensing packages can play a very important role in the selection. Here we compare the main 4 perpetual licenses provided by Aspose PDF to their IronPDF counterparts.

September 24, 2021

ActivePDF DocConverter Tutorial and Comparison to IronPDF

Here we'll walk through the functions, code examples, and step-by-step actions for how to use both software components in a .NET Visual Studio project, so you can decide for yourself what's best for your application.

September 16, 2021

SpirePDF C# HTML to PDF Tutorial & Library Comparison

IronPDF focuses on developer productivity. The Library simplifies many common complex PDF code tasks into convenient C# methods to extract text and images, sign PDFS, edit PDFs with new HTML and more.

September 8, 2021

PDFSharp HTML to PDF Example and Tutorials Comparison

IronPDF is compatible with any .NET Framework project from Version 4 upwards and .NET Core from version 2 upwards.

September 3, 2021

Accusoft Prizmdoc PDF Viewer Tutorial and Comparison

We can see that IronPDF provides more functions to set Header and Footer properties with a simple programming structure as compared to PrizmDoc Viewer.