How to Convert HTML to PDF in C# .NET Core

Imports IronPdf

' Instantiate Renderer
Private renderer = New 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")

Imports IronPdf

' Instantiate Renderer
Private renderer = New 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")

Imports IronPdf
Imports IronPdf.Engines.Chrome
Imports IronPdf.Rendering


Private renderer = New ChromePdfRenderer With {
	.RenderingOptions = New ChromePdfRenderOptions With {
		.CssMediaType = PdfCssMediaType.Print,
		.MarginBottom = 0,
		.MarginLeft = 0,
		.MarginRight = 0,
		.MarginTop = 0,
		.Timeout = 120
	}
}
renderer.RenderingOptions.WaitFor.RenderDelay(50)

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

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

Imports IronPdf
Imports IronPdf.Engines.Chrome
Imports IronPdf.Rendering


Private renderer = New ChromePdfRenderer With {
	.RenderingOptions = New ChromePdfRenderOptions With {
		.CssMediaType = PdfCssMediaType.Print,
		.MarginBottom = 0,
		.MarginLeft = 0,
		.MarginRight = 0,
		.MarginTop = 0,
		.Timeout = 120
	}
}
renderer.RenderingOptions.WaitFor.RenderDelay(50)

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

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

Imports IronPdf

' Instantiate Renderer
Private renderer = New ChromePdfRenderer()

' Create a PDF from a URL or local file path
Private pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

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

Imports IronPdf

' Instantiate Renderer
Private renderer = New ChromePdfRenderer()

' Create a PDF from a URL or local file path
Private pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

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

Imports IronPdf

Private imagePath As String = "meetOurTeam.jpg"

' Convert an image to a PDF
Private pdf As PdfDocument = ImageToPdfConverter.ImageToPdf(imagePath)

' Export the PDF
pdf.SaveAs("imageToPdf.pdf")

Imports IronPdf

Private imagePath As String = "meetOurTeam.jpg"

' Convert an image to a PDF
Private pdf As PdfDocument = ImageToPdfConverter.ImageToPdf(imagePath)

' Export the PDF
pdf.SaveAs("imageToPdf.pdf")

Imports IronPdf

' Instantiate Renderer
Dim renderer As New ChromePdfRenderer()

' Render PDF from web URL
Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

' Export images from PDF
pdf.RasterizeToImageFiles("wikipage_*.png")

Imports IronPdf

' Instantiate Renderer
Dim renderer As New ChromePdfRenderer()

' Render PDF from web URL
Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

' Export images from PDF
pdf.RasterizeToImageFiles("wikipage_*.png")

Imports IronPdf

' Instantiate Renderer
Dim renderer As New DocxToPdfRenderer()

' Render from DOCX file
Dim pdf As PdfDocument = renderer.RenderDocxAsPdf("Modern-chronological-resume.docx")

' Save the PDF
pdf.SaveAs("pdfFromDocx.pdf")

Imports IronPdf

' Instantiate Renderer
Dim renderer As New DocxToPdfRenderer()

' Render from DOCX file
Dim pdf As PdfDocument = renderer.RenderDocxAsPdf("Modern-chronological-resume.docx")

' Save the PDF
pdf.SaveAs("pdfFromDocx.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Render from RTF file
Private pdf As PdfDocument = renderer.RenderRtfFileAsPdf("sample.rtf")

' Save the PDF
pdf.SaveAs("pdfFromRtfFile.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Render from RTF file
Private pdf As PdfDocument = renderer.RenderRtfFileAsPdf("sample.rtf")

' Save the PDF
pdf.SaveAs("pdfFromRtfFile.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Render from markdown file
Private pdf As PdfDocument = renderer.RenderMarkdownFileAsPdf("sample.md")

' Save the PDF
pdf.SaveAs("pdfFromMarkdownFile.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Render from markdown file
Private pdf As PdfDocument = renderer.RenderMarkdownFileAsPdf("sample.md")

' Save the PDF
pdf.SaveAs("pdfFromMarkdownFile.pdf")

Imports System.Xml
Imports System.IO
Imports System.Xml.Xsl
Imports IronPdf

' XSLT template that defines the transformation from XML to HTML
Dim xslt As String = "<?xml version='1.0' encoding='UTF-8'?>" & _
"<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>" & _
"<xsl:template match='/'>" & _
"<html>" & _
"<style>" & _
"td{" & _
"  text-align: center;" & _
"  padding: 20px;" & _
"  border: 1px solid #CDE7F0;" & _
"}" & _
"th{" & _
"  color: white;" & _
"  padding: 20px;" & _
"}" & _
"</style>" & _
"<body style='font-family: Arial, Helvetica Neue, Helvetica, sans-serif;'>" & _
"  <table style='border-collapse: collapse;'>" & _
"    <thead>" & _
"      <tr>" & _
"        <th colspan='3'>" & _
"          <img style='margin: auto;' src='https://ironsoftware.com/img/svgs/ironsoftware-logo-black.svg'/>" & _
"        </th>" & _
"      </tr>" & _
"    </thead>" & _
"    <tbody>" & _
"      <tr bgcolor='#9acd32'>" & _
"        <th bgcolor='#32ab90'>Title</th>" & _
"        <th bgcolor='#f49400'>Feature</th>" & _
"        <th bgcolor='#2a95d5'>Compatible</th>" & _
"      </tr>" & _
"      <xsl:for-each select='catalog/cd'>" & _
"      <tr>" & _
"        <td style='font-weight: bold;'><xsl:value-of select='title'/></td>" & _
"        <td style='background-color: #eff8fb; color: #2a95d5; font-weight: bold;'><xsl:value-of select='feature'/></td>" & _
"        <td><xsl:value-of select='compatible'/></td>" & _
"      </tr>" & _
"      </xsl:for-each>" & _
"    </tbody>" & _
"  </table>" & _
"</body>" & _
"</html>" & _
"</xsl:template>" & _
"</xsl:stylesheet>"

[...]

' Create an instance of XslCompiledTransform
Dim transform As New XslCompiledTransform()

' Load the XSLT from a string
Using reader As XmlReader = XmlReader.Create(New StringReader(xslt))
    transform.Load(reader)
End Using

' Transform the XML to HTML
Dim results As New StringWriter()
Using reader As XmlReader = XmlReader.Create(New StringReader(xml))
    transform.Transform(reader, Nothing, results)
End Using

' Create a renderer for converting HTML to PDF
Dim renderer As New ChromePdfRenderer()
' Options, headers, and footers may be set here if needed
' Render our XML as a PDF via XSLT transformation
renderer.RenderHtmlAsPdf(results.ToString()).SaveAs("Final.pdf")

Imports System.Xml
Imports System.IO
Imports System.Xml.Xsl
Imports IronPdf

' XSLT template that defines the transformation from XML to HTML
Dim xslt As String = "<?xml version='1.0' encoding='UTF-8'?>" & _
"<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>" & _
"<xsl:template match='/'>" & _
"<html>" & _
"<style>" & _
"td{" & _
"  text-align: center;" & _
"  padding: 20px;" & _
"  border: 1px solid #CDE7F0;" & _
"}" & _
"th{" & _
"  color: white;" & _
"  padding: 20px;" & _
"}" & _
"</style>" & _
"<body style='font-family: Arial, Helvetica Neue, Helvetica, sans-serif;'>" & _
"  <table style='border-collapse: collapse;'>" & _
"    <thead>" & _
"      <tr>" & _
"        <th colspan='3'>" & _
"          <img style='margin: auto;' src='https://ironsoftware.com/img/svgs/ironsoftware-logo-black.svg'/>" & _
"        </th>" & _
"      </tr>" & _
"    </thead>" & _
"    <tbody>" & _
"      <tr bgcolor='#9acd32'>" & _
"        <th bgcolor='#32ab90'>Title</th>" & _
"        <th bgcolor='#f49400'>Feature</th>" & _
"        <th bgcolor='#2a95d5'>Compatible</th>" & _
"      </tr>" & _
"      <xsl:for-each select='catalog/cd'>" & _
"      <tr>" & _
"        <td style='font-weight: bold;'><xsl:value-of select='title'/></td>" & _
"        <td style='background-color: #eff8fb; color: #2a95d5; font-weight: bold;'><xsl:value-of select='feature'/></td>" & _
"        <td><xsl:value-of select='compatible'/></td>" & _
"      </tr>" & _
"      </xsl:for-each>" & _
"    </tbody>" & _
"  </table>" & _
"</body>" & _
"</html>" & _
"</xsl:template>" & _
"</xsl:stylesheet>"

[...]

' Create an instance of XslCompiledTransform
Dim transform As New XslCompiledTransform()

' Load the XSLT from a string
Using reader As XmlReader = XmlReader.Create(New StringReader(xslt))
    transform.Load(reader)
End Using

' Transform the XML to HTML
Dim results As New StringWriter()
Using reader As XmlReader = XmlReader.Create(New StringReader(xml))
    transform.Transform(reader, Nothing, results)
End Using

' Create a renderer for converting HTML to PDF
Dim renderer As New ChromePdfRenderer()
' Options, headers, and footers may be set here if needed
' Render our XML as a PDF via XSLT transformation
renderer.RenderHtmlAsPdf(results.ToString()).SaveAs("Final.pdf")

Imports IronPdf
Imports System

Dim pdf As PdfDocument = PdfDocument.FromFile("sample.pdf")

' Convert PDF to HTML string
Dim html As String = pdf.ToHtmlString()
Console.WriteLine(html)

' Convert PDF to HTML file
pdf.SaveAsHtml("myHtml.html")

Imports IronPdf
Imports System

Dim pdf As PdfDocument = PdfDocument.FromFile("sample.pdf")

' Convert PDF to HTML string
Dim html As String = pdf.ToHtmlString()
Console.WriteLine(html)

' Convert PDF to HTML file
pdf.SaveAsHtml("myHtml.html")

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports IronPdf

Namespace AspxToPdfTutorial
	Partial Public Class Invoice
		Inherits System.Web.UI.Page

		Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
			IronPdf.AspxToPdf.RenderThisPageAsPdf(IronPdf.AspxToPdf.FileBehavior.InBrowser)
		End Sub
	End Class
End Namespace

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports IronPdf

Namespace AspxToPdfTutorial
	Partial Public Class Invoice
		Inherits System.Web.UI.Page

		Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
			IronPdf.AspxToPdf.RenderThisPageAsPdf(IronPdf.AspxToPdf.FileBehavior.InBrowser)
		End Sub
	End Class
End Namespace

Imports IronPdf.Extensions.Maui

Namespace mauiSample

	Partial Public Class MainPage
		Inherits ContentPage

		Public Sub New()
			InitializeComponent()
		End Sub

		Private Sub PrintToPdf(ByVal sender As Object, ByVal e As EventArgs)
			Dim renderer As New ChromePdfRenderer()

			' Apply HTML header
			renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter() With {.HtmlFragment = "<h1>Header</h1>"}

			' Render PDF from Maui Page
			Dim pdf As PdfDocument = renderer.RenderContentPageToPdf(Of MainPage, App)().Result

			pdf.SaveAs("C:\Users\lyty1\Downloads\contentPageToPdf.pdf")
		End Sub
	End Class
End Namespace

Imports IronPdf.Extensions.Maui

Namespace mauiSample

	Partial Public Class MainPage
		Inherits ContentPage

		Public Sub New()
			InitializeComponent()
		End Sub

		Private Sub PrintToPdf(ByVal sender As Object, ByVal e As EventArgs)
			Dim renderer As New ChromePdfRenderer()

			' Apply HTML header
			renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter() With {.HtmlFragment = "<h1>Header</h1>"}

			' Render PDF from Maui Page
			Dim pdf As PdfDocument = renderer.RenderContentPageToPdf(Of MainPage, App)().Result

			pdf.SaveAs("C:\Users\lyty1\Downloads\contentPageToPdf.pdf")
		End Sub
	End Class
End Namespace

Imports IronPdf

Private renderer As New ChromePdfRenderer()

renderer.RenderHtmlFileAsPdf("report.html").SaveAs("report.pdf")

Imports IronPdf

Private renderer As New ChromePdfRenderer()

renderer.RenderHtmlFileAsPdf("report.html").SaveAs("report.pdf")

code
If True Then

	' Model to bind user input
	private InputHTMLModel _InputMsgModel = New InputHTMLModel()

'INSTANT VB TODO TASK: Local functions are not converted by Instant VB:
'	private async Task SubmitHTML()
'	{
'		' Set your IronPDF license key
'		IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";
'
'		' Create a renderer to convert HTML to PDF
'		var render = New IronPdf.ChromePdfRenderer();
'
'		' Render the HTML input into a PDF document
'		var doc = render.RenderHtmlAsPdf(_InputMsgModel.HTML);
'
'		var fileName = "iron.pdf";
'
'		' Create a stream reference for the PDF content
'		var streamRef = New DotNetStreamReference(stream: doc.Stream);
'
'		' Invoke JavaScript function to download the PDF in the browser
'		await JS.InvokeVoidAsync("SubmitHTML", fileName, streamRef);
'	}

'INSTANT VB TODO TASK: Local functions are not converted by Instant VB:
'	public class InputHTMLModel
'	{
'		public string HTML
'		{
'			get;
'			set;
'		} = "My new message";
'	}
End If

code
If True Then

	' Model to bind user input
	private InputHTMLModel _InputMsgModel = New InputHTMLModel()

'INSTANT VB TODO TASK: Local functions are not converted by Instant VB:
'	private async Task SubmitHTML()
'	{
'		' Set your IronPDF license key
'		IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";
'
'		' Create a renderer to convert HTML to PDF
'		var render = New IronPdf.ChromePdfRenderer();
'
'		' Render the HTML input into a PDF document
'		var doc = render.RenderHtmlAsPdf(_InputMsgModel.HTML);
'
'		var fileName = "iron.pdf";
'
'		' Create a stream reference for the PDF content
'		var streamRef = New DotNetStreamReference(stream: doc.Stream);
'
'		' Invoke JavaScript function to download the PDF in the browser
'		await JS.InvokeVoidAsync("SubmitHTML", fileName, streamRef);
'	}

'INSTANT VB TODO TASK: Local functions are not converted by Instant VB:
'	public class InputHTMLModel
'	{
'		public string HTML
'		{
'			get;
'			set;
'		} = "My new message";
'	}
End If

<Parameter>
Public Property persons As IEnumerable(Of PersonInfo)
Public Property Parameters As Dictionary(Of String, Object) = New Dictionary(Of String, Object)()

Protected Overrides Async Function OnInitializedAsync() As Task
    persons = New List(Of PersonInfo) From {
        New PersonInfo With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New PersonInfo With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New PersonInfo With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
End Function

Private Async Sub PrintToPdf()
    Dim renderer As New ChromePdfRenderer()

    ' Apply text footer
    renderer.RenderingOptions.TextFooter = New TextHeaderFooter() With {
        .LeftText = "{date} - {time}",
        .DrawDividerLine = True,
        .RightText = "Page {page} of {total-pages}",
        .Font = IronSoftware.Drawing.FontTypes.Arial,
        .FontSize = 11
    }

    Parameters.Add("persons", persons)

    ' Render razor component to PDF
    Dim pdf As PdfDocument = renderer.RenderRazorComponentToPdf(Of Person)(Parameters)

    File.WriteAllBytes("razorComponentToPdf.pdf", pdf.BinaryData)
End Sub

<Parameter>
Public Property persons As IEnumerable(Of PersonInfo)
Public Property Parameters As Dictionary(Of String, Object) = New Dictionary(Of String, Object)()

Protected Overrides Async Function OnInitializedAsync() As Task
    persons = New List(Of PersonInfo) From {
        New PersonInfo With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New PersonInfo With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New PersonInfo With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
End Function

Private Async Sub PrintToPdf()
    Dim renderer As New ChromePdfRenderer()

    ' Apply text footer
    renderer.RenderingOptions.TextFooter = New TextHeaderFooter() With {
        .LeftText = "{date} - {time}",
        .DrawDividerLine = True,
        .RightText = "Page {page} of {total-pages}",
        .Font = IronSoftware.Drawing.FontTypes.Arial,
        .FontSize = 11
    }

    Parameters.Add("persons", persons)

    ' Render razor component to PDF
    Dim pdf As PdfDocument = renderer.RenderRazorComponentToPdf(Of Person)(Parameters)

    File.WriteAllBytes("razorComponentToPdf.pdf", pdf.BinaryData)
End Sub

Imports IronPdf.Razor.Pages

Public Function OnPostAsync() As IActionResult
    persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }

    ViewData("personList") = persons

    Dim renderer As New ChromePdfRenderer()

    ' Render Razor Page to PDF document
    Dim pdf As PdfDocument = renderer.RenderRazorToPdf(Me)

    Response.Headers.Add("Content-Disposition", "inline")

    Return File(pdf.BinaryData, "application/pdf", "razorPageToPdf.pdf")
End Function

Imports IronPdf.Razor.Pages

Public Function OnPostAsync() As IActionResult
    persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }

    ViewData("personList") = persons

    Dim renderer As New ChromePdfRenderer()

    ' Render Razor Page to PDF document
    Dim pdf As PdfDocument = renderer.RenderRazorToPdf(Me)

    Response.Headers.Add("Content-Disposition", "inline")

    Return File(pdf.BinaryData, "application/pdf", "razorPageToPdf.pdf")
End Function

Public Async Function Persons() As Task(Of IActionResult)
    Dim persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
    If _httpContextAccessor.HttpContext.Request.Method = HttpMethod.Post.Method Then
        Dim renderer As New ChromePdfRenderer()

        ' Render View to PDF document
        Dim pdf As PdfDocument = renderer.RenderRazorViewToPdf(_viewRenderService, "Views/Home/Persons.cshtml", persons)
        Response.Headers.Add("Content-Disposition", "inline")

        ' Output PDF document
        Return File(pdf.BinaryData, "application/pdf", "viewToPdfMVCCore.pdf")
    End If
    Return View(persons)
End Function

Public Async Function Persons() As Task(Of IActionResult)
    Dim persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
    If _httpContextAccessor.HttpContext.Request.Method = HttpMethod.Post.Method Then
        Dim renderer As New ChromePdfRenderer()

        ' Render View to PDF document
        Dim pdf As PdfDocument = renderer.RenderRazorViewToPdf(_viewRenderService, "Views/Home/Persons.cshtml", persons)
        Response.Headers.Add("Content-Disposition", "inline")

        ' Output PDF document
        Return File(pdf.BinaryData, "application/pdf", "viewToPdfMVCCore.pdf")
    End If
    Return View(persons)
End Function

Public Function Persons() As ActionResult
    Dim persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
    
    If HttpContext.Request.HttpMethod = "POST" Then
        ' Provide the path to your view file
        Dim viewPath = "~/Views/Home/Persons.cshtml"
        Dim renderer As New ChromePdfRenderer()
        
        ' Render Razor view to PDF document
        Dim pdf As PdfDocument = renderer.RenderView(Me.HttpContext, viewPath, persons)
        Response.Headers.Add("Content-Disposition", "inline")
        
        ' View the PDF
        Return File(pdf.BinaryData, "application/pdf")
    End If
    
    Return View(persons)
End Function

Public Function Persons() As ActionResult
    Dim persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
    
    If HttpContext.Request.HttpMethod = "POST" Then
        ' Provide the path to your view file
        Dim viewPath = "~/Views/Home/Persons.cshtml"
        Dim renderer As New ChromePdfRenderer()
        
        ' Render Razor view to PDF document
        Dim pdf As PdfDocument = renderer.RenderView(Me.HttpContext, viewPath, persons)
        Response.Headers.Add("Content-Disposition", "inline")
        
        ' View the PDF
        Return File(pdf.BinaryData, "application/pdf")
    End If
    
    Return View(persons)
End Function

Imports IronPdf
Imports Microsoft.AspNetCore.Http

app.MapGet("/PrintPdf", Async Function() As Task(Of IResult)
    ' Set your IronPDF license key
    IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01"

    ' Enable detailed logging for troubleshooting
    IronPdf.Logging.Logger.LoggingMode = IronPdf.Logging.Logger.LoggingModes.All

    ' Render the Razor view to an HTML string
    Dim html As String = Await RazorTemplateEngine.RenderAsync("Views/Home/Data.cshtml")

    ' Create a new instance of ChromePdfRenderer 
    Dim renderer As New ChromePdfRenderer()

    ' Render the HTML string as a PDF document
    Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf(html, "./wwwroot")

    ' Return the PDF file as a response
    Return Results.File(pdf.BinaryData, "application/pdf", "razorViewToPdf.pdf")
End Function)

Imports IronPdf
Imports Microsoft.AspNetCore.Http

app.MapGet("/PrintPdf", Async Function() As Task(Of IResult)
    ' Set your IronPDF license key
    IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01"

    ' Enable detailed logging for troubleshooting
    IronPdf.Logging.Logger.LoggingMode = IronPdf.Logging.Logger.LoggingModes.All

    ' Render the Razor view to an HTML string
    Dim html As String = Await RazorTemplateEngine.RenderAsync("Views/Home/Data.cshtml")

    ' Create a new instance of ChromePdfRenderer 
    Dim renderer As New ChromePdfRenderer()

    ' Render the HTML string as a PDF document
    Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf(html, "./wwwroot")

    ' Return the PDF file as a response
    Return Results.File(pdf.BinaryData, "application/pdf", "razorViewToPdf.pdf")
End Function)

Imports IronPdf
Imports System

Private renderer As New ChromePdfRenderer With {
	.LoginCredentials = New ChromeHttpLoginCredentials() With {
		.NetworkUsername = "testUser",
		.NetworkPassword = "testPassword"
	}
}

Private uri = New Uri("http://localhost:51169/Invoice")

' Render web URL to PDF
Private pdf As PdfDocument = renderer.RenderUrlAsPdf(uri)

' Export PDF
pdf.SaveAs("UrlToPdfExample.Pdf")

Imports IronPdf
Imports System

Private renderer As New ChromePdfRenderer With {
	.LoginCredentials = New ChromeHttpLoginCredentials() With {
		.NetworkUsername = "testUser",
		.NetworkPassword = "testPassword"
	}
}

Private uri = New Uri("http://localhost:51169/Invoice")

' Render web URL to PDF
Private pdf As PdfDocument = renderer.RenderUrlAsPdf(uri)

' Export PDF
pdf.SaveAs("UrlToPdfExample.Pdf")

Imports IronPdf

' Instantiate ChromePdfRenderer
Private renderer As New ChromePdfRenderer()

renderer.RenderingOptions.RequestContext = IronPdf.Rendering.RequestContexts.Global

Dim credentials As New ChromeHttpLoginCredentials() With {
	.NetworkUsername = "testUser",
	.NetworkPassword = "testPassword"
}

Dim uri As String = "http://localhost:51169/Invoice"

' Apply cookies
renderer.ApplyCookies(uri, credentials)

Imports IronPdf

' Instantiate ChromePdfRenderer
Private renderer As New ChromePdfRenderer()

renderer.RenderingOptions.RequestContext = IronPdf.Rendering.RequestContexts.Global

Dim credentials As New ChromeHttpLoginCredentials() With {
	.NetworkUsername = "testUser",
	.NetworkPassword = "testPassword"
}

Dim uri As String = "http://localhost:51169/Invoice"

' Apply cookies
renderer.ApplyCookies(uri, credentials)

Imports IronPdf
Imports System.Collections.Generic

Dim renderer = New ChromePdfRenderer()
renderer.RenderingOptions.HttpRequestHeaders = New Dictionary(Of String, String) From {
    {"Authorization", "Bearer test-token-123"}
}

' Render PDF from authenticated page
Dim pdf = renderer.RenderUrlAsPdf("https://httpbin.org/bearer")
pdf.SaveAs("output.pdf")

Imports IronPdf
Imports System.Collections.Generic

Dim renderer = New ChromePdfRenderer()
renderer.RenderingOptions.HttpRequestHeaders = New Dictionary(Of String, String) From {
    {"Authorization", "Bearer test-token-123"}
}

' Render PDF from authenticated page
Dim pdf = renderer.RenderUrlAsPdf("https://httpbin.org/bearer")
pdf.SaveAs("output.pdf")

Imports IronPdf

' Instantiate a ChromePdfRenderer object, which uses a headless version of the Chrome browser
' to render HTML/CSS as a PDF document.
Private renderer As New ChromePdfRenderer()

' Configure rendering options
' Enable printing of HTML backgrounds to ensure all styles are visible.
renderer.RenderingOptions.PrintHtmlBackgrounds = True

' Set HTML header content using HtmlHeaderFooter.
renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter With {.HtmlFragment = "<h1>Header Content</h1>"}

' Set a custom paper size for the PDF in millimeters (width and height).
renderer.RenderingOptions.SetCustomPaperSizeinMilimeters(150, 150)

' Set the top margin to zero to start the content from the very top of the page.
renderer.RenderingOptions.MarginTop = 0

' Define a Markdown string that will be rendered as a PDF.
' Markdown text allows basic formatting like bold and italic styles.
Dim md As String = "This is some **bold** and *italic* text."

' Render the Markdown string to a PDF document.
' The library will convert Markdown syntax into equivalent HTML before rendering it as a PDF.
Dim pdf As PdfDocument = renderer.RenderMarkdownStringAsPdf(md)

' Save the generated PDF to a file named "renderingOptions.pdf."
pdf.SaveAs("renderingOptions.pdf")

Imports IronPdf

' Instantiate a ChromePdfRenderer object, which uses a headless version of the Chrome browser
' to render HTML/CSS as a PDF document.
Private renderer As New ChromePdfRenderer()

' Configure rendering options
' Enable printing of HTML backgrounds to ensure all styles are visible.
renderer.RenderingOptions.PrintHtmlBackgrounds = True

' Set HTML header content using HtmlHeaderFooter.
renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter With {.HtmlFragment = "<h1>Header Content</h1>"}

' Set a custom paper size for the PDF in millimeters (width and height).
renderer.RenderingOptions.SetCustomPaperSizeinMilimeters(150, 150)

' Set the top margin to zero to start the content from the very top of the page.
renderer.RenderingOptions.MarginTop = 0

' Define a Markdown string that will be rendered as a PDF.
' Markdown text allows basic formatting like bold and italic styles.
Dim md As String = "This is some **bold** and *italic* text."

' Render the Markdown string to a PDF document.
' The library will convert Markdown syntax into equivalent HTML before rendering it as a PDF.
Dim pdf As PdfDocument = renderer.RenderMarkdownStringAsPdf(md)

' Save the generated PDF to a file named "renderingOptions.pdf."
pdf.SaveAs("renderingOptions.pdf")

Dim renderer As New ChromePdfRenderer()

renderer.RenderingOptions.MarginTop = 40
renderer.RenderingOptions.MarginLeft = 20
renderer.RenderingOptions.MarginRight = 20
renderer.RenderingOptions.MarginBottom = 40

Dim renderer As New ChromePdfRenderer()

renderer.RenderingOptions.MarginTop = 40
renderer.RenderingOptions.MarginLeft = 20
renderer.RenderingOptions.MarginRight = 20
renderer.RenderingOptions.MarginBottom = 40

Imports IronPdf

Dim renderer As New ChromePdfRenderer()

' Set GrayScale to true
renderer.RenderingOptions.GrayScale = True

Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://ironsoftware.com/")
pdf.CopyPage(0).SaveAs("test.pdf")

Imports IronPdf

Dim renderer As New ChromePdfRenderer()

' Set GrayScale to true
renderer.RenderingOptions.GrayScale = True

Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://ironsoftware.com/")
pdf.CopyPage(0).SaveAs("test.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Configure render options
renderer.RenderingOptions = New ChromePdfRenderOptions With {.TableOfContents = TableOfContentsTypes.WithPageNumbers}

Dim pdf As PdfDocument = renderer.RenderHtmlFileAsPdf("tableOfContent.html")

pdf.SaveAs("tableOfContents.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Configure render options
renderer.RenderingOptions = New ChromePdfRenderOptions With {.TableOfContents = TableOfContentsTypes.WithPageNumbers}

Dim pdf As PdfDocument = renderer.RenderHtmlFileAsPdf("tableOfContent.html")

pdf.SaveAs("tableOfContents.pdf")

Imports IronPdf

Private Const html As String = "
  <table style='border: 1px solid #000000'>
    <tr>
      <th>Company</th>
      <th>Product</th>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronPDF</td>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronOCR</td>
    </tr>
  </table>

  <div style='page-break-after: always;'> </div>

  <img src='https://ironpdf.com/img/products/ironpdf-logo-text-dotnet.svg'>"

Private renderer = New ChromePdfRenderer()

Private pdf = renderer.RenderHtmlAsPdf(html)
pdf.SaveAs("Page_Break.pdf")

Imports IronPdf

Private Const html As String = "
  <table style='border: 1px solid #000000'>
    <tr>
      <th>Company</th>
      <th>Product</th>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronPDF</td>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronOCR</td>
    </tr>
  </table>

  <div style='page-break-after: always;'> </div>

  <img src='https://ironpdf.com/img/products/ironpdf-logo-text-dotnet.svg'>"

Private renderer = New ChromePdfRenderer()

Private pdf = renderer.RenderHtmlAsPdf(html)
pdf.SaveAs("Page_Break.pdf")

Imports IronPdf

Private renderer As New ChromePdfRenderer()

' Chrome default rendering
renderer.RenderingOptions.PaperFit.UseChromeDefaultRendering()

' Render web URL to PDF
Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

pdf.SaveAs("chromeDefault.pdf")

Imports IronPdf

Private renderer As New ChromePdfRenderer()

' Chrome default rendering
renderer.RenderingOptions.PaperFit.UseChromeDefaultRendering()

' Render web URL to PDF
Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

pdf.SaveAs("chromeDefault.pdf")