C# PDF from HTML

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C# PDF from HTML File Run See All 45 Code Examples

 // PM> Install-Package IronPdf
using IronPdf;

// Instantiate Renderer

var Renderer = new IronPdf.ChromePdfRenderer();

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

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

' PM> Install-Package IronPdf
Imports IronPdf

' Instantiate Renderer

Private Renderer = New IronPdf.ChromePdfRenderer()

' Create a PDF from an existing HTML file using C#
Private var As using

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

Install-Package IronPdf

C# PDF Manipulating See All 45 Code Examples

// PM> Install-Package IronPdf
using IronPdf;

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

' PM> Install-Package IronPdf
Imports IronPdf

' Instantiate Renderer
Private Renderer = New IronPdf.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.FitToPaperWidth = False
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")

Install-Package IronPdf

Add PDF Headers Footers See All 45 Code Examples

// PM> Install-Package IronPdf
using IronPdf;

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

// Add a header to every page easily
Renderer.RenderingOptions.FirstPageNumber = 1; // use 2 if a coverpage  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;

// 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}";

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

' PM> Install-Package IronPdf
Imports IronPdf

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

' Add a header to every page easily
Renderer.RenderingOptions.FirstPageNumber = 1 ' use 2 if a coverpage  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

' 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}"

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

Install-Package IronPdf

C# PDF Forms See All 45 Code Examples

// PM> Install-Package IronPdf
using IronPdf;

// Step 1.  Creating a PDF with editable forms from HTML using form and input tags

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=''>
                    </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.
using 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");

' PM> Install-Package IronPdf
Imports IronPdf

' Step 1.  Creating a PDF with editable forms from HTML using form and input tags

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=''>
                    </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.
Using 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")
End Using

Install-Package IronPdf

C# PDF from URL Run See All 45 Code Examples

// PM> Install-Package IronPdf
using IronPdf;

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

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

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

' PM> Install-Package IronPdf
Imports IronPdf

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

' Create a PDF from a URL or local file path
Private var As using

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

Install-Package IronPdf

C# PDF from HTML Run See All 45 Code Examples

// PM> Install-Package IronPdf
using IronPdf;

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

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

' PM> Install-Package IronPdf
Imports IronPdf

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

' Create a PDF from a HTML string using C#
Private var As using

' 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 
Using myAdvancedPdf = Renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", "C:\site\assets\")
	pdf.SaveAs("html-with-assets.pdf")
End Using

Install-Package IronPdf

C# PDF from ASPX See All 45 Code Examples

private void Form1_Load(object sender, EventArgs e)
{

IronPdf.AspxToPdf.RenderThisPageAsPdf();
//Changes the ASPX output into a pdf instead of HTML

}

Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs)

IronPdf.AspxToPdf.RenderThisPageAsPdf()
'Changes the ASPX output into a pdf instead of HTML

End Sub

Install-Package IronPdf

C# PDF from Images See All 45 Code Examples

// PM> Install-Package IronPdf
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

' PM> Install-Package IronPdf
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

// PM> Install-Package IronPdf
using IronPdf;
using System.Drawing;

//Example rendering PDF documents to Images or Thumbnails

using 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();

' PM> Install-Package IronPdf
Imports IronPdf
Imports System.Drawing

'Example rendering PDF documents to Images or Thumbnails

Private var As using

'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

Responsive HTML to PDF See All 45 Code Examples

// PM> Install-Package IronPdf
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");

' PM> Install-Package IronPdf
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")