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");

Using IronPDF

April 29, 2024

How to Use C# to Convert PDF to Bitmap

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April 29, 2024

How to Read a PDF Line By Line in C#

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April 3, 2024

How to Create Reporting Application in C#

In this article, we are going to use IronPDF in reporting application C#.

April 3, 2024

How to Create Report in ASP .NET

This is where IronPDF comes in. IronPDF is a versatile library that simplifies the generation of PDF reports in ASP.NET and other web frameworks

March 6, 2024

How to Parse Data from PDF Documents

The need to efficiently extract and utilize this data has become paramount. Parsing data from PDF documents is a crucial aspect of various industries.

March 6, 2024

How to Convert Color PDFs to Grayscale

Colorful PDFs are visually appealing, but there are scenarios where a grayscale approach is preferred.

December 12, 2023

How to Convert HTML Page to PDF using VB

IronPDF is designed to integrate seamlessly with VB, allowing developers to create high-quality PDFs from HTML with utmost efficiency.

November 29, 2023

How to Convert PDF to Tiff File in .NET

This article will demonstrate how to convert a PDF file to TIFF images using the first-class PDF support from the IronPDF C# library.

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How to Add PDF Stamper in C#

IronPDF's stamping methods offer powerful customizations, specialized for intricate designs and dynamic barcodes. Let's explore this comprehensive toolkit.

November 13, 2023

How to Read PDF Files in C#

IronPDF, a robust PDF reader library for C#, enables developers to work effortlessly with PDF documents. It offers extensive features and capabilities.

September 26, 2023

How to Compress PDF Files in .NET Library

PDF compression, while maintaining high-quality printing, demonstrates the excellent PDF support from the IronPDF library. Let's explore its capacity.

September 12, 2023

PDF Conversion in C# (Developer Tutorial)

PDF conversion in C# is a common task for developers managing documents, with IronPDF offering an optimal solution for PDF file manipulation.

September 12, 2023

How to Convert PDF to PNG in .NET

In this article, we will use IronPDF to convert PDF to PNG images programmatically.

July 22, 2023

How to Display a PDF File in ASP.NET Core

This article will guide you on how to display PDF files in an ASP.NET Core PDF viewer Web App, demonstrating the flexibility and functionality of the IronPDF C# library.

July 22, 2023

How to Display PDF Embedded Text in .NET MAUI

By the end of this article, you will understand how to open and extract content from a PDF file in a .NET MAUI app programmatically using the C# PDF library, IronPDF.

June 27, 2023

How to Convert PDF to PNG in C#

This article will explore IronPDF's functionality in converting PDF files to PNG images using different approaches, concisely and efficiently.

June 27, 2023

PDF vs PDFA (How It Works For Developers)

In this article, we will delve into the differences between PDF and PDFA, using IronPDF as a tool to complete this task with ease.

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How to Use Fluent Validation With IronPDF in C#

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How to Use ChatGPT with IronPDF For C# Developer

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June 20, 2023

How to Create PDF Signatures in .NET

A comprehensive .NET Core PDF library provides developers with a robust set of tools to implement PDF signatures programmatically.

June 13, 2023

How to View PDF Files in VB.NET

This article will guide you through the process of creating a robust PDF viewer using IronPDF in a VB.NET environment.

June 6, 2023

How to Build a .NET PDF editor application using IronPDF

This blog posts shows step-by-step you how to create a PDF Editor in C#.NET using the IronPDf library.

May 30, 2023

How to Merge PDF Files in VB.NET

This article shows how simple it is to use the IronPDF library to merge PDF files with utmost efficiency, requiring only a few lines of code.

May 23, 2023

How to Save PDF File in C# (Beginner Tutorial)

This tutorial will show how to use IronPDF's flexibility to save PDF files from a Windows Form Application, along with more advanced features.

May 16, 2023

How to Convert CSHTML to PDF in C#

In this article, we will walk you through the steps of converting CSHTML to PDF with IronPDF in C#, along with examples.

May 8, 2023

How to Display PDF From Byte Array in Blazor

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May 1, 2023

How to Unsecure a PDF (Beginner Tutorial)

Using IronPDF, we can unsecure PDF files with just a few lines of C# code and a straightforward and efficient process.

April 19, 2023

How to Parse PDF File in VB.NET

The IronPDF VB.NET library provides first-class support for parsing PDF files to extract embedded text and images using versatile APIs.

April 19, 2023

How to Convert PDF to JPG in .NET

This tutorial utilizes a simple yet efficient approach to convert PDF to JPG using the IronPDF C# library, with full control over the output images.

April 19, 2023

ASP PDF Viewer (Developer Tutorial)

ASP.NET provides various ways to display these files through a PDF viewer. An ASP PDF viewer allows web developers to display PDF files directly on a web page.

April 19, 2023

PDF Converter .NET (Developer Tutorial)

IronPDF is a powerful PDF library that enables developers to quickly create, read, and edit PDF documents from various sources: HTML, Markdown, and RTF files.

April 19, 2023

How to Crop PDF File in C#

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April 18, 2023

How to Add Images to PDF in VB .NET

IronPDF allows for the easy insertion of images into PDF documents. With just a few lines of code, it is compatible with various image formats and offers advanced features for interacting with PDFs.

April 18, 2023

PDF API C# (Code Example Tutorial)

IronPDF is a powerful PDF converter and API library for PDF processing that enables developers to easily generate, read, and manipulate PDF documents.

April 18, 2023

How to Create PDF in ASP .NET

PDF Creator using ASP is an ideal solution for businesses and organizations that need to generate PDF documents on a regular basis.

March 25, 2023

How to Read PDF Table in C#

In this article, we'll demonstrate how to extract table data using the IronPDF C# library with high accuracy and flexibility.

March 16, 2023

How to Convert QR Code to PDF

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February 25, 2023

PDF Viewer C# Windows Application (Tutorial)

This article will show you how to create a simple PDF viewer application using IronPDF, a C# PDF library for .NET developers.

February 22, 2023

How to Read PDF Files in C#

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How to Convert Word to PDF in C# (Tutorial)

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February 1, 2023

Convert PPT (PowerPoint) to PDF in C# (Example Tutorial)

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January 30, 2023

How to View PDF in .NET MAUI (Step-by-Step) Tutorial

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January 29, 2023

PDFium in C# Alternatives Using IronPDF

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How to Generate PDF from Template in C#

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January 26, 2023

How to Download PDF From URL in C# (Step-By-Step) Tutorial

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January 19, 2023

Convert Excel to PDF in C# (Step-by-Step) Tutorial

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Should You Buy IronPDF?

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How to Create PDF Files in .NET Using IronPDF

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September 25, 2022

Creating a PDF Generator in ASP.NET Core using IronPDF

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Blazor PDF Viewer Tutorial

In this guide, we'll build a server-side Blazor application using IronPDF for online PDF viewing, ensuring cross-platform functionality and smooth PDF interaction.

September 23, 2022

Create a PDF File with Blazor Tutorial

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September 22, 2022

Creating a PDF file in .NET MAUI Using IronPDF

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September 6, 2022

C# Text to PDF (Code Example Tutorial)

In this tutorial, we've learned to easily convert text to PDF, add watermarks, and print it with just a few lines of code.

September 5, 2022

How to Convert Image to PDF in C# [Code Example Tutorial]

Let's explore IronPDF, a free C# library that efficiently converts images to PDF, complete with comprehensive documentation and professional support.

September 4, 2022

C# Convert JPG to PDF (Code Example Tutorial)

Let's guide you through the process of converting JPG images to PDF format in C# using just a few lines of code.

September 3, 2022

C# Convert PNG to PDF (Code Example Tutorial)

In this article, we'll guide you how to convert PNG to PDF using the powerful IronPDF image conversion API in C#.

July 21, 2022

Save Byte Array to PDF C# (Code Example)

In this guide, we're going to explore how we can easily transform a byte array into a PDF file using the super handy IronPDF .NET library.

July 17, 2022

C# Convert PDF to Text (Code Example)

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June 30, 2022

How to Scan Multiple Pages into One PDF File

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June 29, 2022

Programmatically Fill PDF Forms in C# (Coding Tutorial)

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June 28, 2022

How to Generate PDF in ASP.NET Using C#

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June 27, 2022

C# Extract Text From PDF (Code Example Tutorial)

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June 26, 2022

How to Extract Data from PDF in C#

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June 23, 2022

How to Add Page Numbers in PDF using C#

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June 20, 2022

How to Add Images in PDF using C#

We're going to utilize the IronPDF C# library to programmatically insert images into our PDF document. Let's explore what IronPDF has to offer.

June 13, 2022

How to Combine Images Into One PDF

Combine multiple images and save the newly created PDF file programmatically in simple steps.

March 10, 2022

C# Create PDF File Programmatically

Creating PDF files programmatically in .NET can be frustrating. Thankfully, there is a solution that makes it much easier.

March 8, 2022

How to Open a PDF File in C#

IronPDF helps to simplifies the process of creating and editing PDF in C# effortlessly. This article helps to generate PDF file for developers

February 27, 2022

How to Build a C# PDF Generator

Read this tutorial to learn how to build your own PDF Generator using C# that can convert HTML to PDF and much more!

February 25, 2022

How to Remove a Password from a PDF File

Remove password protection from PDF without hassle using online tools and C# framework programmatically.

February 24, 2022

How to Password Protect a PDF Document

It is essential to protect PDF documents from unauthorized users who want to steal your data or leak confidential information about your company.

January 24, 2022

Create PDF in C# from HTML File

This tutorial simplifies the process of using IronPDF as a PDF Generator in C#. It covers the basics as well as many advanced C# PDF topics: merging, watermarking, and adding digital signatures.

January 23, 2022

Convert ASPX to PDF

We frequently generate dynamic PDF files using ASP.NET (ASPX) websites, and IronPDF simplifies this process by enabling us to accomplish it in just one line of code.

January 20, 2022

Generating PDF Files in C#

IronPDF can generate PDF Files in many ways. Read this tutorial to learn about all of these ways!

January 17, 2022

x509certificate2 Add Digital Signature to PDF Programmatically

This guide demonstrates how to use IronPDF to digitally sign a PDF file in C#, providing an additional layer of protection for user files.

January 12, 2022

C# Create PDF (Code Example Tutorial)

This tutorial explains how to efficiently convert HTML to PDF in different contexts using the C# library, IronPDF.

January 6, 2022

.NET Core PDF Library

IronPDF for .NET Core is available cross-platform and supports generating PDF files with a pixel-perfect solution.

November 25, 2021

C# Read PDF File: Easy Tutorial

IronPDF is a library that offers easy PDF file interaction for developers: read PDF files and display data in just two lines of code.

November 4, 2021

How to view PDF files in ASP.NET using C# and IronPDF

It is possible to create PDF documents quickly and easily using C# with IronPDF. Merging PDF files, watermarking, and adding a cover page are made easy.

October 27, 2021