using IronPdf;

// Instantiate the renderer
var renderer = new ChromePdfRenderer();

// Create a PDF from an HTML string
var pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>");
pdf.SaveAs("output.pdf");

// Advanced example with external assets
var myAdvancedPdf = renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", @"C:\site\assets\");
myAdvancedPdf.SaveAs("html-with-assets.pdf");

// Render with custom options
renderer.RenderingOptions.MarginTop = 50;
renderer.RenderingOptions.MarginBottom = 50;
renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print;
var customPdf = renderer.RenderHtmlAsPdf("<h1>Custom Settings</h1>");
customPdf.SaveAs("custom-settings.pdf");

using IronPdf;

// Instantiate the renderer
var renderer = new ChromePdfRenderer();

// Create a PDF from an HTML string
var pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>");
pdf.SaveAs("output.pdf");

// Advanced example with external assets
var myAdvancedPdf = renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", @"C:\site\assets\");
myAdvancedPdf.SaveAs("html-with-assets.pdf");

// Render with custom options
renderer.RenderingOptions.MarginTop = 50;
renderer.RenderingOptions.MarginBottom = 50;
renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print;
var customPdf = renderer.RenderHtmlAsPdf("<h1>Custom Settings</h1>");
customPdf.SaveAs("custom-settings.pdf");

using iText.Html2pdf;
using System.IO;

public class HtmlToPdf
{
    public static void ConvertHtmlToPdf()
    {
        using (FileStream htmlSource = File.Open("input.html", FileMode.Open))
        using (FileStream pdfDest = File.Open("output.pdf", FileMode.Create))
        {
            ConverterProperties converterProperties = new ConverterProperties();
            HtmlConverter.ConvertToPdf(htmlSource, pdfDest, converterProperties);
        }
    }
}

using iText.Html2pdf;
using System.IO;

public class HtmlToPdf
{
    public static void ConvertHtmlToPdf()
    {
        using (FileStream htmlSource = File.Open("input.html", FileMode.Open))
        using (FileStream pdfDest = File.Open("output.pdf", FileMode.Create))
        {
            ConverterProperties converterProperties = new ConverterProperties();
            HtmlConverter.ConvertToPdf(htmlSource, pdfDest, converterProperties);
        }
    }
}

using IronPdf;

// Load an encrypted PDF or create a new one
var pdf = PdfDocument.FromFile("encrypted.pdf", "password");

// Set document security settings
pdf.SecuritySettings.MakePdfDocumentReadOnly("secret-key");
pdf.SecuritySettings.AllowUserCopyPasteContent = false;
pdf.SecuritySettings.AllowUserAnnotations = false;
pdf.SecuritySettings.AllowUserPrinting = IronPdf.Security.PdfPrintSecurity.NoPrint;
pdf.SecuritySettings.AllowUserFormData = false;
pdf.Password = "my-password";

// Set owner password for administrative access
pdf.SecuritySettings.OwnerPassword = "owner-password";

// Save with encryption
pdf.SaveAs("secured.pdf");

using IronPdf;

// Load an encrypted PDF or create a new one
var pdf = PdfDocument.FromFile("encrypted.pdf", "password");

// Set document security settings
pdf.SecuritySettings.MakePdfDocumentReadOnly("secret-key");
pdf.SecuritySettings.AllowUserCopyPasteContent = false;
pdf.SecuritySettings.AllowUserAnnotations = false;
pdf.SecuritySettings.AllowUserPrinting = IronPdf.Security.PdfPrintSecurity.NoPrint;
pdf.SecuritySettings.AllowUserFormData = false;
pdf.Password = "my-password";

// Set owner password for administrative access
pdf.SecuritySettings.OwnerPassword = "owner-password";

// Save with encryption
pdf.SaveAs("secured.pdf");

using iText.Kernel.Pdf;
using System.Text;

public class EncryptPdf
{
    public static readonly string DEST = "encrypt_pdf.pdf";
    public static readonly string OWNER_PASSWORD = "World";
    public static readonly string USER_PASSWORD = "Hello";

    protected void ManipulatePdf(string dest)
    {
        PdfDocument document = new PdfDocument(new PdfReader("input.pdf"), new PdfWriter(dest,
            new WriterProperties().SetStandardEncryption(
                Encoding.UTF8.GetBytes(USER_PASSWORD),
                Encoding.UTF8.GetBytes(OWNER_PASSWORD),
                EncryptionConstants.ALLOW_PRINTING,
                EncryptionConstants.ENCRYPTION_AES_128)));
        document.Close();
    }
}

using iText.Kernel.Pdf;
using System.Text;

public class EncryptPdf
{
    public static readonly string DEST = "encrypt_pdf.pdf";
    public static readonly string OWNER_PASSWORD = "World";
    public static readonly string USER_PASSWORD = "Hello";

    protected void ManipulatePdf(string dest)
    {
        PdfDocument document = new PdfDocument(new PdfReader("input.pdf"), new PdfWriter(dest,
            new WriterProperties().SetStandardEncryption(
                Encoding.UTF8.GetBytes(USER_PASSWORD),
                Encoding.UTF8.GetBytes(OWNER_PASSWORD),
                EncryptionConstants.ALLOW_PRINTING,
                EncryptionConstants.ENCRYPTION_AES_128)));
        document.Close();
    }
}

using IronPdf;

PdfDocument pdf = PdfDocument.FromFile("novel.pdf");

// Redact 'are' from all pages
pdf.RedactTextOnAllPages("are");

// Redact specific text on specific pages
pdf.RedactTextOnPage(0, "confidential");

// Use regular expressions for pattern matching
pdf.RedactTextOnAllPages(@"\b\d{3}-\d{2}-\d{4}\b"); // Redact SSN pattern

pdf.SaveAs("redacted.pdf");

using IronPdf;

PdfDocument pdf = PdfDocument.FromFile("novel.pdf");

// Redact 'are' from all pages
pdf.RedactTextOnAllPages("are");

// Redact specific text on specific pages
pdf.RedactTextOnPage(0, "confidential");

// Use regular expressions for pattern matching
pdf.RedactTextOnAllPages(@"\b\d{3}-\d{2}-\d{4}\b"); // Redact SSN pattern

pdf.SaveAs("redacted.pdf");

using iText.Kernel.Pdf;
using iText.Kernel.Colors;

// Define areas to redact on each page
Rectangle[] rectanglesToRedact = { new Rectangle(100, 100, 200, 50) };

// Draw black rectangles to cover sensitive areas
using (PdfDocument pdfDoc = new PdfDocument(new PdfReader("input.pdf"), new PdfWriter("output_redacted.pdf")))
{
    for (int pageNum = 1; pageNum <= pdfDoc.GetNumberOfPages(); pageNum++)
    {
        PdfPage page = pdfDoc.GetPage(pageNum);
        PdfCanvas canvas = new PdfCanvas(page);
        foreach (Rectangle rect in rectanglesToRedact)
        {
            canvas.SetFillColor(ColorConstants.BLACK)
                  .Rectangle(rect.GetX(), rect.GetY(), rect.GetWidth(), rect.GetHeight())
                  .Fill();
        }
    }
}

using iText.Kernel.Pdf;
using iText.Kernel.Colors;

// Define areas to redact on each page
Rectangle[] rectanglesToRedact = { new Rectangle(100, 100, 200, 50) };

// Draw black rectangles to cover sensitive areas
using (PdfDocument pdfDoc = new PdfDocument(new PdfReader("input.pdf"), new PdfWriter("output_redacted.pdf")))
{
    for (int pageNum = 1; pageNum <= pdfDoc.GetNumberOfPages(); pageNum++)
    {
        PdfPage page = pdfDoc.GetPage(pageNum);
        PdfCanvas canvas = new PdfCanvas(page);
        foreach (Rectangle rect in rectanglesToRedact)
        {
            canvas.SetFillColor(ColorConstants.BLACK)
                  .Rectangle(rect.GetX(), rect.GetY(), rect.GetWidth(), rect.GetHeight())
                  .Fill();
        }
    }
}

using IronPdf;
using IronPdf.Signing;
using System.Security.Cryptography.X509Certificates;

// Create X509Certificate2 object with X509KeyStorageFlags set to Exportable
X509Certificate2 cert = new X509Certificate2("IronSoftware.pfx", "123456", X509KeyStorageFlags.Exportable);

// Create PdfSignature object
var sig = new PdfSignature(cert)
{
    SigningContact = "support@ironsoftware.com",
    SigningLocation = "Chicago, USA",
    SigningReason = "Document Approval"
};

// Sign PDF document
PdfDocument pdf = PdfDocument.FromFile("document.pdf");
pdf.Sign(sig);

// Apply timestamp
var timestampedSig = new PdfSignature(cert)
{
    TimestampHashAlgorithm = TimestampHashAlgorithm.SHA256,
    TimeStampUrl = "___PROTECTED_URL_245___"
};

pdf.SaveAs("signed.pdf");

using IronPdf;
using IronPdf.Signing;
using System.Security.Cryptography.X509Certificates;

// Create X509Certificate2 object with X509KeyStorageFlags set to Exportable
X509Certificate2 cert = new X509Certificate2("IronSoftware.pfx", "123456", X509KeyStorageFlags.Exportable);

// Create PdfSignature object
var sig = new PdfSignature(cert)
{
    SigningContact = "support@ironsoftware.com",
    SigningLocation = "Chicago, USA",
    SigningReason = "Document Approval"
};

// Sign PDF document
PdfDocument pdf = PdfDocument.FromFile("document.pdf");
pdf.Sign(sig);

// Apply timestamp
var timestampedSig = new PdfSignature(cert)
{
    TimestampHashAlgorithm = TimestampHashAlgorithm.SHA256,
    TimeStampUrl = "___PROTECTED_URL_245___"
};

pdf.SaveAs("signed.pdf");

using System;
using System.IO;
using iText.Kernel.Pdf;
using iText.Signatures;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Pkcs;
using Org.BouncyCastle.X509;

class Program
{
    static void Main(string[] args)
    {
        string src = "input.pdf";
        string dest = "output_signed.pdf";
        string pfxFile = "your_certificate.pfx";
        string pfxPassword = "your_password";

        try
        {
            // Load your certificate
            Pkcs12Store ks = new Pkcs12Store(new FileStream(pfxFile, FileMode.Open), pfxPassword.ToCharArray());
            string alias = null;
            foreach (string al in ks.Aliases)
            {
                if (ks.IsKeyEntry(al))
                {
                    alias = al;
                    break;
                }
            }
            ICipherParameters pk = ks.GetKey(alias).Key;
            X509CertificateEntry[] chain = ks.GetCertificateChain(alias);
            X509Certificate2 cert = new X509Certificate2(chain[0].Certificate.GetEncoded());

            // Create output PDF with signed content
            using (PdfReader reader = new PdfReader(src))
            {
                using (PdfWriter writer = new PdfWriter(dest))
                {
                    using (PdfDocument pdfDoc = new PdfDocument(reader, writer))
                    {
                        // Create the signer
                        PdfSigner signer = new PdfSigner(pdfDoc, writer, new StampingProperties().UseAppendMode());

                        // Configure signature appearance
                        PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
                        appearance.SetReason("Digital Signature");
                        appearance.SetLocation("Your Location");
                        appearance.SetContact("Your Contact");

                        // Create signature
                        IExternalSignature pks = new PrivateKeySignature(pk, "SHA-256");
                        signer.SignDetached(pks, chain, null, null, null, 0, PdfSigner.CryptoStandard.CMS);
                    }
                }
            }
            Console.WriteLine($"PDF digitally signed successfully: {dest}");
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error signing PDF: {ex.Message}");
        }
    }
}

using System;
using System.IO;
using iText.Kernel.Pdf;
using iText.Signatures;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Pkcs;
using Org.BouncyCastle.X509;

class Program
{
    static void Main(string[] args)
    {
        string src = "input.pdf";
        string dest = "output_signed.pdf";
        string pfxFile = "your_certificate.pfx";
        string pfxPassword = "your_password";

        try
        {
            // Load your certificate
            Pkcs12Store ks = new Pkcs12Store(new FileStream(pfxFile, FileMode.Open), pfxPassword.ToCharArray());
            string alias = null;
            foreach (string al in ks.Aliases)
            {
                if (ks.IsKeyEntry(al))
                {
                    alias = al;
                    break;
                }
            }
            ICipherParameters pk = ks.GetKey(alias).Key;
            X509CertificateEntry[] chain = ks.GetCertificateChain(alias);
            X509Certificate2 cert = new X509Certificate2(chain[0].Certificate.GetEncoded());

            // Create output PDF with signed content
            using (PdfReader reader = new PdfReader(src))
            {
                using (PdfWriter writer = new PdfWriter(dest))
                {
                    using (PdfDocument pdfDoc = new PdfDocument(reader, writer))
                    {
                        // Create the signer
                        PdfSigner signer = new PdfSigner(pdfDoc, writer, new StampingProperties().UseAppendMode());

                        // Configure signature appearance
                        PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
                        appearance.SetReason("Digital Signature");
                        appearance.SetLocation("Your Location");
                        appearance.SetContact("Your Contact");

                        // Create signature
                        IExternalSignature pks = new PrivateKeySignature(pk, "SHA-256");
                        signer.SignDetached(pks, chain, null, null, null, 0, PdfSigner.CryptoStandard.CMS);
                    }
                }
            }
            Console.WriteLine($"PDF digitally signed successfully: {dest}");
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error signing PDF: {ex.Message}");
        }
    }
}

using IronPdf;

// Stamps a Watermark onto a new or existing PDF
var renderer = new ChromePdfRenderer();

var pdf = renderer.RenderUrlAsPdf("___PROTECTED_URL_246___");

// Add text watermark
pdf.ApplyWatermark("<h2 style='color:red'>SAMPLE</h2>", 30, IronPdf.Editing.VerticalAlignment.Middle, IronPdf.Editing.HorizontalAlignment.Center);

// Add image watermark
pdf.ApplyWatermark("<img src='logo.png' style='width:200px'>", 45, IronPdf.Editing.VerticalAlignment.Bottom, IronPdf.Editing.HorizontalAlignment.Right);

// Add complex HTML watermark with transparency
string watermarkHtml = @"
<div style='font-size:80px; color:rgba(255,0,0,0.3); font-family:Arial; transform:rotate(-45deg);'>
    CONFIDENTIAL
</div>";
pdf.ApplyWatermark(watermarkHtml, 0, IronPdf.Editing.VerticalAlignment.Middle, IronPdf.Editing.HorizontalAlignment.Center);

pdf.SaveAs(@"C:\Path\To\Watermarked.pdf");

using IronPdf;

// Stamps a Watermark onto a new or existing PDF
var renderer = new ChromePdfRenderer();

var pdf = renderer.RenderUrlAsPdf("___PROTECTED_URL_246___");

// Add text watermark
pdf.ApplyWatermark("<h2 style='color:red'>SAMPLE</h2>", 30, IronPdf.Editing.VerticalAlignment.Middle, IronPdf.Editing.HorizontalAlignment.Center);

// Add image watermark
pdf.ApplyWatermark("<img src='logo.png' style='width:200px'>", 45, IronPdf.Editing.VerticalAlignment.Bottom, IronPdf.Editing.HorizontalAlignment.Right);

// Add complex HTML watermark with transparency
string watermarkHtml = @"
<div style='font-size:80px; color:rgba(255,0,0,0.3); font-family:Arial; transform:rotate(-45deg);'>
    CONFIDENTIAL
</div>";
pdf.ApplyWatermark(watermarkHtml, 0, IronPdf.Editing.VerticalAlignment.Middle, IronPdf.Editing.HorizontalAlignment.Center);

pdf.SaveAs(@"C:\Path\To\Watermarked.pdf");

using iText.IO.Font;
using iText.IO.Font.Constants;
using iText.Kernel.Colors;
using iText.Kernel.Font;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Extgstate;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;

public class TransparentWatermark 
{
    public static readonly string DEST = "results/sandbox/stamper/transparent_watermark.pdf";
    public static readonly string SRC = "../../../resources/pdfs/hero.pdf";

    public static void Main(string[] args) 
    {
        FileInfo file = new FileInfo(DEST);
        file.Directory.Create();
        
        new TransparentWatermark().ManipulatePdf(DEST);
    }

    protected void ManipulatePdf(string dest) 
    {
        PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
        PdfCanvas under = new PdfCanvas(pdfDoc.GetFirstPage().NewContentStreamBefore(), new PdfResources(), pdfDoc);
        PdfFont font = PdfFontFactory.CreateFont(FontProgramFactory.CreateFont(StandardFonts.HELVETICA));
        Paragraph paragraph = new Paragraph("This watermark is added UNDER the existing content")
                .SetFont(font)
                .SetFontSize(15);
        
        Canvas canvasWatermark1 = new Canvas(under, pdfDoc.GetDefaultPageSize())
                .ShowTextAligned(paragraph, 297, 550, 1, TextAlignment.CENTER, VerticalAlignment.TOP, 0);
        canvasWatermark1.Close();
        PdfCanvas over = new PdfCanvas(pdfDoc.GetFirstPage());
        over.SetFillColor(ColorConstants.BLACK);
        paragraph = new Paragraph("This watermark is added ON TOP OF the existing content")
                .SetFont(font)
                .SetFontSize(15);
        
        Canvas canvasWatermark2 = new Canvas(over, pdfDoc.GetDefaultPageSize())
                .ShowTextAligned(paragraph, 297, 500, 1, TextAlignment.CENTER, VerticalAlignment.TOP, 0);
        canvasWatermark2.Close();
        paragraph = new Paragraph("This TRANSPARENT watermark is added ON TOP OF the existing content")
                .SetFont(font)
                .SetFontSize(15);
        over.SaveState();
        
        PdfExtGState gs1 = new PdfExtGState();
        gs1.SetFillOpacity(0.5f);
        over.SetExtGState(gs1);
        Canvas canvasWatermark3 = new Canvas(over, pdfDoc.GetDefaultPageSize())
                .ShowTextAligned(paragraph, 297, 450, 1, TextAlignment.CENTER, VerticalAlignment.TOP, 0);
        canvasWatermark3.Close();
        over.RestoreState();
        
        pdfDoc.Close();
    }
}

using iText.IO.Font;
using iText.IO.Font.Constants;
using iText.Kernel.Colors;
using iText.Kernel.Font;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Extgstate;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;

public class TransparentWatermark 
{
    public static readonly string DEST = "results/sandbox/stamper/transparent_watermark.pdf";
    public static readonly string SRC = "../../../resources/pdfs/hero.pdf";

    public static void Main(string[] args) 
    {
        FileInfo file = new FileInfo(DEST);
        file.Directory.Create();
        
        new TransparentWatermark().ManipulatePdf(DEST);
    }

    protected void ManipulatePdf(string dest) 
    {
        PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
        PdfCanvas under = new PdfCanvas(pdfDoc.GetFirstPage().NewContentStreamBefore(), new PdfResources(), pdfDoc);
        PdfFont font = PdfFontFactory.CreateFont(FontProgramFactory.CreateFont(StandardFonts.HELVETICA));
        Paragraph paragraph = new Paragraph("This watermark is added UNDER the existing content")
                .SetFont(font)
                .SetFontSize(15);
        
        Canvas canvasWatermark1 = new Canvas(under, pdfDoc.GetDefaultPageSize())
                .ShowTextAligned(paragraph, 297, 550, 1, TextAlignment.CENTER, VerticalAlignment.TOP, 0);
        canvasWatermark1.Close();
        PdfCanvas over = new PdfCanvas(pdfDoc.GetFirstPage());
        over.SetFillColor(ColorConstants.BLACK);
        paragraph = new Paragraph("This watermark is added ON TOP OF the existing content")
                .SetFont(font)
                .SetFontSize(15);
        
        Canvas canvasWatermark2 = new Canvas(over, pdfDoc.GetDefaultPageSize())
                .ShowTextAligned(paragraph, 297, 500, 1, TextAlignment.CENTER, VerticalAlignment.TOP, 0);
        canvasWatermark2.Close();
        paragraph = new Paragraph("This TRANSPARENT watermark is added ON TOP OF the existing content")
                .SetFont(font)
                .SetFontSize(15);
        over.SaveState();
        
        PdfExtGState gs1 = new PdfExtGState();
        gs1.SetFillOpacity(0.5f);
        over.SetExtGState(gs1);
        Canvas canvasWatermark3 = new Canvas(over, pdfDoc.GetDefaultPageSize())
                .ShowTextAligned(paragraph, 297, 450, 1, TextAlignment.CENTER, VerticalAlignment.TOP, 0);
        canvasWatermark3.Close();
        over.RestoreState();
        
        pdfDoc.Close();
    }
}

using IronPdf;
using IronPdf.Editing;

ChromePdfRenderer renderer = new ChromePdfRenderer();

PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Example HTML Document!</h1>");

// Create text stamper
TextStamper textStamper = new TextStamper()
{
    Text = "Text Stamper!",
    FontFamily = "Bungee Spice",
    UseGoogleFont = true,
    FontSize = 30,
    IsBold = true,
    IsItalic = true,
    VerticalAlignment = VerticalAlignment.Top,
    HorizontalAlignment = HorizontalAlignment.Center,
    Opacity = 50,
    Rotation = -45
};

// Stamp the text stamper on all pages
pdf.ApplyStamp(textStamper);

// Create HTML stamper for complex layouts
HtmlStamper htmlStamper = new HtmlStamper()
{
    Html = @"<div style='border:2px solid red; padding:10px;'>
             <h3>APPROVED</h3>
             <p>Date: " + DateTime.Now.ToShortDateString() + @"</p>
             </div>",
    VerticalAlignment = VerticalAlignment.Bottom,
    HorizontalAlignment = HorizontalAlignment.Right,
    Width = 200,
    Height = 100
};

pdf.ApplyStamp(htmlStamper);

// Create image stamper
ImageStamper imageStamper = new ImageStamper(new Uri("___PROTECTED_URL_247___"))
{
    VerticalAlignment = VerticalAlignment.Top,
    HorizontalAlignment = HorizontalAlignment.Left,
    MaxWidth = new Length(150),
    MaxHeight = new Length(150)
};

// Stamp the image stamper on specific pages
pdf.ApplyStamp(imageStamper, new[] { 0, 2, 4 });

pdf.SaveAs("stamped.pdf");

using IronPdf;
using IronPdf.Editing;

ChromePdfRenderer renderer = new ChromePdfRenderer();

PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Example HTML Document!</h1>");

// Create text stamper
TextStamper textStamper = new TextStamper()
{
    Text = "Text Stamper!",
    FontFamily = "Bungee Spice",
    UseGoogleFont = true,
    FontSize = 30,
    IsBold = true,
    IsItalic = true,
    VerticalAlignment = VerticalAlignment.Top,
    HorizontalAlignment = HorizontalAlignment.Center,
    Opacity = 50,
    Rotation = -45
};

// Stamp the text stamper on all pages
pdf.ApplyStamp(textStamper);

// Create HTML stamper for complex layouts
HtmlStamper htmlStamper = new HtmlStamper()
{
    Html = @"<div style='border:2px solid red; padding:10px;'>
             <h3>APPROVED</h3>
             <p>Date: " + DateTime.Now.ToShortDateString() + @"</p>
             </div>",
    VerticalAlignment = VerticalAlignment.Bottom,
    HorizontalAlignment = HorizontalAlignment.Right,
    Width = 200,
    Height = 100
};

pdf.ApplyStamp(htmlStamper);

// Create image stamper
ImageStamper imageStamper = new ImageStamper(new Uri("___PROTECTED_URL_247___"))
{
    VerticalAlignment = VerticalAlignment.Top,
    HorizontalAlignment = HorizontalAlignment.Left,
    MaxWidth = new Length(150),
    MaxHeight = new Length(150)
};

// Stamp the image stamper on specific pages
pdf.ApplyStamp(imageStamper, new[] { 0, 2, 4 });

pdf.SaveAs("stamped.pdf");

using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;

public void StampPDF(string inputPdfPath, string outputPdfPath, string stampText)
{
    PdfDocument pdfDoc = new PdfDocument(new PdfReader(inputPdfPath), new PdfWriter(outputPdfPath));

    Document doc = new Document(pdfDoc);

    // Add stamp (text) to each page
    int numPages = pdfDoc.GetNumberOfPages();
    for (int i = 1; i <= numPages; i++)
    {
        doc.ShowTextAligned(new Paragraph(stampText),
                            36, 36, i, iText.Layout.Properties.TextAlignment.LEFT,
                            iText.Layout.Properties.VerticalAlignment.TOP, 0);
    }

    doc.Close();
}

using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;

public void StampPDF(string inputPdfPath, string outputPdfPath, string stampText)
{
    PdfDocument pdfDoc = new PdfDocument(new PdfReader(inputPdfPath), new PdfWriter(outputPdfPath));

    Document doc = new Document(pdfDoc);

    // Add stamp (text) to each page
    int numPages = pdfDoc.GetNumberOfPages();
    for (int i = 1; i <= numPages; i++)
    {
        doc.ShowTextAligned(new Paragraph(stampText),
                            36, 36, i, iText.Layout.Properties.TextAlignment.LEFT,
                            iText.Layout.Properties.VerticalAlignment.TOP, 0);
    }

    doc.Close();
}

using IronPdf;

// Instantiate Renderer
DocxToPdfRenderer renderer = new DocxToPdfRenderer();

// Render from DOCX file
PdfDocument pdf = renderer.RenderDocxAsPdf("Modern-chronological-resume.docx");

// Advanced rendering with options
renderer.RenderingOptions.MarginTop = 50;
renderer.RenderingOptions.MarginBottom = 50;

// Handle mail merge
var mergeFields = new Dictionary<string, string>
{
    ["Name"] = "John Doe",
    ["Date"] = DateTime.Now.ToShortDateString()
};
PdfDocument mergedPdf = renderer.RenderDocxAsPdf("template.docx", mergeFields);

// Save the PDF
pdf.SaveAs("pdfFromDocx.pdf");

using IronPdf;

// Instantiate Renderer
DocxToPdfRenderer renderer = new DocxToPdfRenderer();

// Render from DOCX file
PdfDocument pdf = renderer.RenderDocxAsPdf("Modern-chronological-resume.docx");

// Advanced rendering with options
renderer.RenderingOptions.MarginTop = 50;
renderer.RenderingOptions.MarginBottom = 50;

// Handle mail merge
var mergeFields = new Dictionary<string, string>
{
    ["Name"] = "John Doe",
    ["Date"] = DateTime.Now.ToShortDateString()
};
PdfDocument mergedPdf = renderer.RenderDocxAsPdf("template.docx", mergeFields);

// Save the PDF
pdf.SaveAs("pdfFromDocx.pdf");