using IronPdf;

// Create an instance of the ChromePdfRenderer class.
var renderer = new ChromePdfRenderer();

// Optional: Configure rendering options for better output
renderer.RenderingOptions.MarginTop = 25;
renderer.RenderingOptions.MarginBottom = 25;
renderer.RenderingOptions.PaperSize = IronPdf.Rendering.PdfPaperSize.A4;

// Enable JavaScript execution for dynamic content
renderer.RenderingOptions.EnableJavaScript = true;

// Set print CSS media type for proper formatting
renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print;

// Add custom headers for authenticated content
renderer.RenderingOptions.CustomCssUrl = "___PROTECTED_URL_142___";

// Configure viewport for responsive design
renderer.RenderingOptions.ViewPortWidth = 1024;

// Render the HTML file as a PDF document.
var pdf = renderer.RenderHtmlFileAsPdf("invoice.html");

// Optional: Add metadata
pdf.MetaData.Author = "Your Company";
pdf.MetaData.Keywords = "invoice, pdf, conversion";
pdf.MetaData.CreationDate = System.DateTime.Now;

// Save the PDF document as an output file.
pdf.SaveAs("output.pdf");

// Alternative: Save with compression
pdf.CompressImages(80);
pdf.SaveAs("compressed-output.pdf");

Imports IronPdf

' Create an instance of the ChromePdfRenderer class.
Dim renderer As New ChromePdfRenderer()

' Optional: Configure rendering options for better output
renderer.RenderingOptions.MarginTop = 25
renderer.RenderingOptions.MarginBottom = 25
renderer.RenderingOptions.PaperSize = IronPdf.Rendering.PdfPaperSize.A4

' Enable JavaScript execution for dynamic content
renderer.RenderingOptions.EnableJavaScript = True

' Set print CSS media type for proper formatting
renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print

' Add custom headers for authenticated content
renderer.RenderingOptions.CustomCssUrl = "___PROTECTED_URL_142___"

' Configure viewport for responsive design
renderer.RenderingOptions.ViewPortWidth = 1024

' Render the HTML file as a PDF document.
Dim pdf = renderer.RenderHtmlFileAsPdf("invoice.html")

' Optional: Add metadata
pdf.MetaData.Author = "Your Company"
pdf.MetaData.Keywords = "invoice, pdf, conversion"
pdf.MetaData.CreationDate = System.DateTime.Now

' Save the PDF document as an output file.
pdf.SaveAs("output.pdf")

' Alternative: Save with compression
pdf.CompressImages(80)
pdf.SaveAs("compressed-output.pdf")

using IronPdf;
using System.IO;
using System.Linq;

// Enumerate all PNG files from the specified directory.
var imageFiles = Directory.EnumerateFiles("assets").Where(f => f.EndsWith(".png"));

// Create an instance of ImageToPdfConverter
var imageToPdf = new ImageToPdfConverter();

// Optional: Set rendering options for better control
imageToPdf.ImageBehavior = ImageBehavior.CropPage;
imageToPdf.PaperSize = IronPdf.Imaging.PdfPaperSize.A4;

// Set margins for professional appearance
imageToPdf.PaperMargins = new IronPdf.Imaging.PdfPaperMargins(25);

// Control image quality and compression
imageToPdf.ImageQuality = 90; // 0-100 quality scale

// Convert the images to a PDF document.
ImageToPdfConverter.ImageToPdf(imageFiles).SaveAs("composite.pdf");

// Alternative: Convert a single image with custom settings
var singleImagePdf = imageToPdf.ImageToPdf("assets/logo.png");
singleImagePdf.SaveAs("single-image.pdf");

// Advanced: Add metadata to image PDF
singleImagePdf.MetaData.Title = "Company Logo";
singleImagePdf.MetaData.Subject = "Brand Assets";
singleImagePdf.MetaData.CreationDate = DateTime.Now;
singleImagePdf.SaveAs("logo-with-metadata.pdf");

Imports IronPdf
Imports System.IO
Imports System.Linq

' Enumerate all PNG files from the specified directory.
Dim imageFiles = Directory.EnumerateFiles("assets").Where(Function(f) f.EndsWith(".png"))

' Create an instance of ImageToPdfConverter
Dim imageToPdf = New ImageToPdfConverter()

' Optional: Set rendering options for better control
imageToPdf.ImageBehavior = ImageBehavior.CropPage
imageToPdf.PaperSize = IronPdf.Imaging.PdfPaperSize.A4

' Set margins for professional appearance
imageToPdf.PaperMargins = New IronPdf.Imaging.PdfPaperMargins(25)

' Control image quality and compression
imageToPdf.ImageQuality = 90 ' 0-100 quality scale

' Convert the images to a PDF document.
ImageToPdfConverter.ImageToPdf(imageFiles).SaveAs("composite.pdf")

' Alternative: Convert a single image with custom settings
Dim singleImagePdf = imageToPdf.ImageToPdf("assets/logo.png")
singleImagePdf.SaveAs("single-image.pdf")

' Advanced: Add metadata to image PDF
singleImagePdf.MetaData.Title = "Company Logo"
singleImagePdf.MetaData.Subject = "Brand Assets"
singleImagePdf.MetaData.CreationDate = DateTime.Now
singleImagePdf.SaveAs("logo-with-metadata.pdf")