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");

Install-Package IronPdf

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");

Install-Package IronPdf

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");

Install-Package IronPdf

ASPX to PDF

using IronPdf;

private void Form1_Load(object sender, EventArgs e)
{
    //Changes the ASPX output into a pdf instead of HTML
    IronPdf.AspxToPdf.RenderThisPageAsPdf();
}

Install-Package IronPdf

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);

Install-Package IronPdf

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

Install-Package IronPdf

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}

Install-Package IronPdf

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");

Install-Package IronPdf

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");

Install-Package IronPdf

PDF Tools

September 29, 2024

How to Remove Password from PDF Without Adobe Pro

In this first part let us take a look at four different online tools that you can use to remove passwords from your PDF files

September 29, 2024

How to Password Protect a PDF Without Adobe Pro

Securing your PDF files with a password is essential to protect sensitive information from unauthorized access. While Adobe Adobe Acrobat Reader is a popular tool for this purpose

September 29, 2024

How to Edit a PDF Without Adobe Pro (Beginner Tutorial)

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April 29, 2024

Python Find in Lists (How It Works For Developers)

In this tutorial, we'll explore various methods to find elements in a Python list, along with illustrative code examples

March 26, 2024

How To Turn PDF 180 Degrees (Beginner Tutorial)

We will also discuss how to turn PDF 180 Degrees using IronPDF C# PDF Library.

March 12, 2024

How to Use C# to Convert PowerPoint to Image

There are several methods for turning PowerPoint presentations into photos in C#

March 6, 2024

How to use C# to Create a PowerPoint Presentation

In this article, we are going to use C# to create a PowerPoint presentation.

March 6, 2024

Open Source PDF Editor (Free & Paid Tools Comparison)

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March 6, 2024

How to View PDF files in Android Phone

To view or open PDF files on an Android device using Adobe Acrobat PDF Reader is a simple process

November 14, 2023

How To Convert PDF to PDFA in C++

This article guides you through the process of converting PDF documents into PDF/A format using the QPDF library in C++

November 14, 2023

How to Add Page Numbers to a PDF File

In this article, we will guide you through the process of adding page numbers to a PDF for free using three methods: Sejda, Smallpdf, and IronPDF for more edit PDF options.

November 14, 2023

How To Reduce PDF File Size Without Losing Quality (Online Tools)

In this article, we will delve into two such tools and provide detailed steps to help you effectively reduce PDF file size, while preserving the file quality.

November 13, 2023

How to save PDF as JPEG (Beginner Guide)

In this article, we'll walk you through the process of converting a PDF to JPEG, providing you with simple and effective methods to achieve your goal.

November 13, 2023

PDF Highlighter (Free & Online Tools Tutorial)

In this article, we will see how to highlight PDFs without using Adobe Acrobat Reader.

November 13, 2023

How to Redact a PDF without Adobe Pro

In this comprehensive guide, we will walk you through various effective options, empowering you to securely redact PDF documents without incurring hefty expenses.

October 29, 2023

How to Password Protect a PDF for Free

you don't need to invest in expensive software to add a password, as there are many free version PDF tools available other than Adobe Reader.

September 12, 2023

How to Download Webpage as PDF (Beginner Tutorial)

In this article, we'll guide you through the process of downloading a webpage as a PDF for free using two easy methods: using a browser's built-in functionality and the "HTML to PDF" online tool from Soda PDF

August 29, 2023

IronPDF vs ChatGPT - Extracting Text from PDF Documents

It allows us to convert the files into text to perform operation. Here are further specifics on ChatGPT read PDFs.

August 29, 2023

How to Edit Text in PDF (Beginner Tutorial)

in this article, we will guide you through editing text in PDFs, ensuring that you maintain the document's integrity while making necessary revisions.

August 29, 2023

How to Save Email as PDF (Beginner Tutorial)

In this article, we will guide you through the process of saving an email as a PDF, helping you organize your digital communication efficiently.

August 29, 2023

How to Annotate a PDF File (Beginner Tutorial)

In this guide, we will walk you through the process on how to annotate a PDF using different PDF annotation tool and methods.

August 29, 2023

How to Extract Text From PDF (Beginner Tutorial)

this article aims to provide you with a thorough understanding of various methods to extract text from PDF files effectively, while maintaining accuracy and preserving formatting.

August 29, 2023

IronPDF vs Docusign - How to Add a Digital Signature to a PDF

Whether you're a business professional, a remote worker, or simply looking to simplify your pdf files signing process, this step-by-step guide will walk you through the process of DocuSigning a PDF.

August 29, 2023

How to Open PDF Files in Chrome

In this article, we delve into the depths of the PDF Viewer, exploring its features, advantages, and limitation and how we can overcome its limitation.

August 2, 2023

How to View PDF Files in C++

In this article, we will learn how to view text from PDF files in C++ using the Xpdf command-line tool. Xpdf provides a suite of command-line utilities and C++ libraries for working with PDF files.

August 2, 2023

How to Convert PDF to Image in NodeJS

In this article, we will learn how to convert PDF to image files using Node.js module.

July 5, 2023

How to Create PDF Files in C++

By leveraging the power of this library, we can programmatically create PDF documents from HTML content in our C++ applications.

July 5, 2023

How to Read PDF Files in C++

In this article, we will only explore how to read PDF files in C++ using the Xpdf command-line tool.

July 1, 2023

How to Convert HTML to PDF in C++

In C++, it is quite a tedious task to build an application from scratch, to generate HTML to PDF format files. So in this article, we will explore how to convert HTML to PDF in C++ using the wkhtmltopdf library.

May 23, 2023

Open Source PDF Editor (Updated List)

Let's take a deeper look into open source PDF editors and explore how they can bring value to your work.

May 23, 2023

PDF Editor in Mac (Updated List & Beginner Tutorial)

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May 16, 2023

How to Convert HTML to PDF in Node.js using Puppeteer

We will explore how to convert HTML pages to PDF using NodeJS and Puppeteer, an open-source library developed by Google.

March 28, 2023

Excel to PDF Converter (Free Online Tools List)

Excel files to PDF format conversion is an important method to protect data. Let's have a look at some tools which help convert excel spreadsheets to PDF files.

March 25, 2023

How to Convert PowerPoint to PDF

Converting PowerPoint presentations to PDFs ensures that your presentations will work with a wide range of devices and programs.

March 24, 2023

Make PDF Smaller (Free Online Tools)

It offers a high compression level for the smallest possible file size, but this may result in a loss of quality.

March 23, 2023

Make PDF Editable (Free Online Tools)

Sometimes there is a need to make a PDF editable for document signing or to edit fillable PDF forms. For this purpose, the PDF must be opened in editable formats.

March 19, 2023

How to Combine PDF Files Without Adobe

In this article, we will show you how to merge PDF files without Adobe Acrobat Reader using two popular tools, SamPDF Basic and SmallPDF, and introduce you to IronPDF as an alternative solution.

December 7, 2022

How to Edit PDFs on Mac

In this article, we are going to look at PDF editing tools for Mac. With different types of available applications for Mac, we are going to use Mac's built-in preview app along with IronPDF.

October 3, 2022

What is the Best PDF Library for C#?

This article will look at four .NET PDF libraries that can automate the process of making PDF files from HTML pages.

April 19, 2022

How to Save a Document as a PDF

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April 18, 2022

How to Edit a PDF on iPhone

Open the PDF you desire to edit with-inside the Files app to your iPhone. Go to the Files app, which comes already installed up in iPhones.

April 17, 2022

How to Combine PDF Files into One Document

There are many tools to combine PDF files into one document. Some easy and recommended tools to combine PDF.

March 11, 2022

How to Make a PDF Fillable

It might seem like separating PDF pages is complicated, but there are many ways that you can do it with just a few clicks of your mouse.

March 9, 2022

How to Separate PDF Pages

Separate PDF pages using various methods from online options to utilize IronPDF, to efficiently split PDF pages.

February 16, 2022

Best PDF Viewer Options in 2022

Here's our list of the top seven best PDF Viewers to use as of 2022.

February 2, 2022

How to Save a Webpage as a PDF File on Mac and Windows

You can save them to your favorite web browser for quick access, share the URL to view the page with others.

January 31, 2022

How to Extract Pages from PDF Files — a Step-By-Step Guide

Extraction is the process of copying and pasting chosen pages from one PDF into another. The content of extracted pages includes all form fields, comments, and links to the original page content.

January 26, 2022

How to Delete a Page in PDF Documents

Explore various methods to delete pages from PDF files, including IronPDF library for C# developers.

January 19, 2022

PDFviewer Tools for 2022

The use of digital PDF documents is often the most efficient method to manage various files, and PDFs need a specific app in order to be viewed, namely a "PDF Viewer".

January 12, 2022

How to Sign a PDF Document with Online Tools

Electronic signatures have become essential as companies seek ways to sign agreements and contracts, as well as share PDF forms online.

January 2, 2022

How to Save PDF as Image File

We may need to convert PDF files into images or vice versa. There are numerous tools available on the internet that can help us, but most of them either require payment or are simply not very useful.