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PDF Generator C#

Or download the DLL directly here

HTML PDF Generator Run See All 45 Code Examples

using IronPdf;

// Instantiate Renderer
var Renderer = new IronPdf.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");

Imports IronPdf

' Instantiate Renderer
Private Renderer = New IronPdf.ChromePdfRenderer()

' Create a PDF from an existing HTML file using C#
Private pdf = Renderer.RenderHtmlFileAsPdf("example.html")

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

Install-Package IronPdf

URL PDF Generator Run See All 45 Code Examples

using IronPdf;

// Instantiate Renderer
var Renderer = new IronPdf.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");

Imports IronPdf

' Instantiate Renderer
Private Renderer = New IronPdf.ChromePdfRenderer()

' Create a PDF from a URL or local file path
Private pdf = Renderer.RenderUrlAsPdf("https://ironpdf.com/")

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

Install-Package IronPdf

ASPX PDF Generator See All 45 Code Examples

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

Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs)
	'Changes the ASPX output into a pdf instead of HTML
	IronPdf.AspxToPdf.RenderThisPageAsPdf()
End Sub

Install-Package IronPdf

HTML PDF Generator Run See All 45 Code Examples

using IronPdf;

// Instantiate Renderer
var Renderer = new IronPdf.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");

Imports IronPdf

' Instantiate Renderer
Private Renderer = New IronPdf.ChromePdfRenderer()

' Create a PDF from a HTML string using C#
Private 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 
Dim myAdvancedPdf = Renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", "C:\site\assets\")
myAdvancedPdf.SaveAs("html-with-assets.pdf")

Install-Package IronPdf

Images PDF Generator See All 45 Code Examples

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 = System.IO.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

Imports IronPdf
Imports System.IO
Imports System.Linq

' One or more images as IEnumerable. This example selects all JPEG images in a specific 'assets' folder.
Private ImageFiles = System.IO.Directory.EnumerateFiles("assets").Where(Function(f) f.EndsWith(".jpg") OrElse 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

PDF to Images See All 45 Code Examples

using IronPdf;
using System.Drawing;

//Example rendering PDF documents to Images or Thumbnails

var Pdf = PdfDocument.FromFile("Example.pdf");

//Extract all pages to a folder as image files
Pdf.RasterizeToImageFiles(@"C:\image\folder\*.png");

//Dimensions and page ranges may be specified
Pdf.RasterizeToImageFiles(@"C:\image\folder\thumbnail_*.jpg", 100, 80);


//Extract all pages as System.Drawing.Bitmap objects
System.Drawing.Bitmap[] pageImages = Pdf.ToBitmap();

Imports IronPdf
Imports System.Drawing

'Example rendering PDF documents to Images or Thumbnails

Private Pdf = PdfDocument.FromFile("Example.pdf")

'Extract all pages to a folder as image files
Pdf.RasterizeToImageFiles("C:\image\folder\*.png")

'Dimensions and page ranges may be specified
Pdf.RasterizeToImageFiles("C:\image\folder\thumbnail_*.jpg", 100, 80)


'Extract all pages as System.Drawing.Bitmap objects
Dim pageImages() As System.Drawing.Bitmap = Pdf.ToBitmap()

Install-Package IronPdf

Headers & Footers See All 45 Code Examples

using IronPdf;
 
// Initiate PDF Renderer
var Renderer = new IronPdf.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 = IronPdf.Font.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 = IronPdf.Font.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}

Imports IronPdf

' Initiate PDF Renderer
Private Renderer = New IronPdf.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 = IronPdf.Font.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 = IronPdf.Font.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 See All 45 Code Examples

using IronPdf;
// Step 1.  Creating a PDF with editable forms from HTML using form and input tags
// Radio Button and Checkbox can also be implimented with input type 'radio' and 'checkbox'
var 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 IronPdf.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.GetFieldByName("firstname");
FirstNameField.Value = "Minnie";
Console.WriteLine("FirstNameField value: {0}", FirstNameField.Value);
// Set and Read the value of the "lastname" field
IronPdf.Forms.FormField LastNameField = FormDocument.Form.GetFieldByName("lastname");
LastNameField.Value = "Mouse";
Console.WriteLine("LastNameField value: {0}", LastNameField.Value);
FormDocument.SaveAs("FilledForm.pdf");

Imports IronPdf
' Step 1.  Creating a PDF with editable forms from HTML using form and input tags
' Radio Button and Checkbox can also be implimented with input type 'radio' and 'checkbox'
Private 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
Private Renderer = New IronPdf.ChromePdfRenderer()
Renderer.RenderingOptions.CreatePdfFormsFromHtml = True
Renderer.RenderHtmlAsPdf(FormHtml).SaveAs("BasicForm.pdf")
' Step 2. Reading and Writing PDF form values.
Dim FormDocument = PdfDocument.FromFile("BasicForm.pdf")
' Set and Read the value of the "firstname" field
Dim FirstNameField = FormDocument.Form.GetFieldByName("firstname")
FirstNameField.Value = "Minnie"
Console.WriteLine("FirstNameField value: {0}", FirstNameField.Value)
' Set and Read the value of the "lastname" field
Dim LastNameField As IronPdf.Forms.FormField = FormDocument.Form.GetFieldByName("lastname")
LastNameField.Value = "Mouse"
Console.WriteLine("LastNameField value: {0}", LastNameField.Value)
FormDocument.SaveAs("FilledForm.pdf")

Install-Package IronPdf

Responsive HTML to PDF See All 45 Code Examples

using IronPdf;

// Instantiate Renderer
var Renderer = new IronPdf.ChromePdfRenderer();

//Choose Screen or Print CSS media
Renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Screen;

//Set the width of the responsive virtual browser window in pixels
Renderer.RenderingOptions.ViewPortWidth = 1280;

// Render an HTML document or snippet as a string
var PDF = Renderer.RenderHtmlFileAsPdf("Assets/Responsive.html");

Imports IronPdf

' Instantiate Renderer
Private Renderer = New IronPdf.ChromePdfRenderer()

'Choose Screen or Print CSS media
Renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Screen

'Set the width of the responsive virtual browser window in pixels
Renderer.RenderingOptions.ViewPortWidth = 1280

' Render an HTML document or snippet as a string
Dim PDF = Renderer.RenderHtmlFileAsPdf("Assets/Responsive.html")

Install-Package IronPdf

PDF Generation Settings See All 45 Code Examples

using IronPdf;
using IronPdf.Engines.Chrome;

// Instantiate Renderer
var Renderer = new ChromePdfRenderer();
 
// Many rendering options to use to customize!
Renderer.RenderingOptions.SetCustomPaperSizeInInches(12.5, 20);
Renderer.RenderingOptions.PrintHtmlBackgrounds = true;
Renderer.RenderingOptions.PaperOrientation = IronPdf.Rendering.PdfPaperOrientation.Landscape;
Renderer.RenderingOptions.Title = "My PDF Document Name";
Renderer.RenderingOptions.EnableJavaScript = true;
Renderer.RenderingOptions.RenderDelay = 50; // in milliseconds
Renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Screen;
Renderer.RenderingOptions.FitToPaperMode = FitToPaperModes.None;
Renderer.RenderingOptions.Zoom = 100;
Renderer.RenderingOptions.CreatePdfFormsFromHtml = true; 

// Supports margin customization!
Renderer.RenderingOptions.MarginTop = 40;  //millimeters
Renderer.RenderingOptions.MarginLeft = 20;  //millimeters
Renderer.RenderingOptions.MarginRight = 20;  //millimeters
Renderer.RenderingOptions.MarginBottom = 40;  //millimeters
 
// Can set FirstPageNumber if you have a coverpage
Renderer.RenderingOptions.FirstPageNumber = 1; // use 2 if a coverpage will be appended
 
// Settings have been set, we can render:
Renderer.RenderHtmlFileAsPdf("assets/wikipedia.html").SaveAs("output/my-content.pdf");

Imports IronPdf
Imports IronPdf.Engines.Chrome

' Instantiate Renderer
Private Renderer = New ChromePdfRenderer()

' Many rendering options to use to customize!
Renderer.RenderingOptions.SetCustomPaperSizeInInches(12.5, 20)
Renderer.RenderingOptions.PrintHtmlBackgrounds = True
Renderer.RenderingOptions.PaperOrientation = IronPdf.Rendering.PdfPaperOrientation.Landscape
Renderer.RenderingOptions.Title = "My PDF Document Name"
Renderer.RenderingOptions.EnableJavaScript = True
Renderer.RenderingOptions.RenderDelay = 50 ' in milliseconds
Renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Screen
Renderer.RenderingOptions.FitToPaperMode = FitToPaperModes.None
Renderer.RenderingOptions.Zoom = 100
Renderer.RenderingOptions.CreatePdfFormsFromHtml = True

' Supports margin customization!
Renderer.RenderingOptions.MarginTop = 40 'millimeters
Renderer.RenderingOptions.MarginLeft = 20 'millimeters
Renderer.RenderingOptions.MarginRight = 20 'millimeters
Renderer.RenderingOptions.MarginBottom = 40 'millimeters

' Can set FirstPageNumber if you have a coverpage
Renderer.RenderingOptions.FirstPageNumber = 1 ' use 2 if a coverpage will be appended

' Settings have been set, we can render:
Renderer.RenderHtmlFileAsPdf("assets/wikipedia.html").SaveAs("output/my-content.pdf")