HTML zu PDF in Java

import com.ironsoftware.ironpdf.*;

// Apply your license key before any rendering call
License.setLicenseKey("YOUR-LICENSE-KEY");

// Render an HTML string to a PDF file
PdfDocument pdf = PdfDocument.renderHtmlAsPdf("<h1>Hello from IronPDF!</h1><p>Generated in Java.</p>");
pdf.saveAs("output.pdf");

import com.ironsoftware.ironpdf.*;

// Apply your license key before any rendering call
License.setLicenseKey("YOUR-LICENSE-KEY");

// Render an HTML string to a PDF file
PdfDocument pdf = PdfDocument.renderHtmlAsPdf("<h1>Hello from IronPDF!</h1><p>Generated in Java.</p>");
pdf.saveAs("output.pdf");

//:path=/static-assets/pdf/content-code-examples/tutorials/generate-pdfs/maven-dependency.xml
<dependency>
  <groupId>com.ironsoftware</groupId>
  <artifactId>ironpdf</artifactId>
  <version>2024.9.1</version>
</dependency>
<dependency>
  <groupId>org.slf4j</groupId>
  <artifactId>slf4j-simple</artifactId>
  <version>2.0.5</version>
</dependency>

//:path=/static-assets/pdf/content-code-examples/tutorials/generate-pdfs/maven-dependency.xml
<dependency>
  <groupId>com.ironsoftware</groupId>
  <artifactId>ironpdf</artifactId>
  <version>2024.9.1</version>
</dependency>
<dependency>
  <groupId>org.slf4j</groupId>
  <artifactId>slf4j-simple</artifactId>
  <version>2.0.5</version>
</dependency>

import com.ironsoftware.ironpdf.*;

import com.ironsoftware.ironpdf.*;

import com.ironsoftware.ironpdf.*;

// Set the license key before any rendering call
License.setLicenseKey("YOUR-LICENSE-KEY");

import com.ironsoftware.ironpdf.*;

// Set the license key before any rendering call
License.setLicenseKey("YOUR-LICENSE-KEY");

import com.ironsoftware.ironpdf.*;
import java.nio.file.Paths;

// Configure logging before calling any rendering methods
Settings.setLogPath(Paths.get("logs/ironpdf.log"));

import com.ironsoftware.ironpdf.*;
import java.nio.file.Paths;

// Configure logging before calling any rendering methods
Settings.setLogPath(Paths.get("logs/ironpdf.log"));

import com.ironsoftware.ironpdf.*;

// Convert a simple HTML string to PDF
PdfDocument pdf = PdfDocument.renderHtmlAsPdf("<h1>Hello from IronPDF!</h1>");
// Save the resulting PDF to a file
pdf.saveAs("htmlstring_to_pdf.pdf");

import com.ironsoftware.ironpdf.*;

// Convert a simple HTML string to PDF
PdfDocument pdf = PdfDocument.renderHtmlAsPdf("<h1>Hello from IronPDF!</h1>");
// Save the resulting PDF to a file
pdf.saveAs("htmlstring_to_pdf.pdf");

import com.ironsoftware.ironpdf.*;

// HTML with references to local stylesheets and images
String html = "<html>"
    + "<head>"
    +   "<title>Invoice</title>"
    +   "<link rel='stylesheet' type='text/css' href='style.css'>"
    + "</head>"
    + "<body>"
    +   "<div class='content'>"
    +     "<h1>Invoice #1001</h1>"
    +     "<img src='logo.png' alt='Company Logo'/>"
    +   "</div>"
    + "</body>"
    + "</html>";

// The second argument resolves relative asset paths
PdfDocument pdf = PdfDocument.renderHtmlAsPdf(html, "C:/invoices/");
pdf.saveAs("invoice.pdf");

import com.ironsoftware.ironpdf.*;

// HTML with references to local stylesheets and images
String html = "<html>"
    + "<head>"
    +   "<title>Invoice</title>"
    +   "<link rel='stylesheet' type='text/css' href='style.css'>"
    + "</head>"
    + "<body>"
    +   "<div class='content'>"
    +     "<h1>Invoice #1001</h1>"
    +     "<img src='logo.png' alt='Company Logo'/>"
    +   "</div>"
    + "</body>"
    + "</html>";

// The second argument resolves relative asset paths
PdfDocument pdf = PdfDocument.renderHtmlAsPdf(html, "C:/invoices/");
pdf.saveAs("invoice.pdf");

import com.ironsoftware.ironpdf.*;

// Render a live web page as a PDF document
PdfDocument pdf = PdfDocument.renderUrlAsPdf("https://en.wikipedia.org/wiki/PDF");
pdf.saveAs("url_to_pdf.pdf");

import com.ironsoftware.ironpdf.*;

// Render a live web page as a PDF document
PdfDocument pdf = PdfDocument.renderUrlAsPdf("https://en.wikipedia.org/wiki/PDF");
pdf.saveAs("url_to_pdf.pdf");

import com.ironsoftware.ironpdf.*;

// Convert a local HTML file to PDF
// IronPDF resolves relative asset paths from the HTML file's directory
PdfDocument pdf = PdfDocument.renderHtmlFileAsPdf("C:/invoices/TestInvoice1.html");
pdf.saveAs("htmlfile_to_pdf.pdf");

import com.ironsoftware.ironpdf.*;

// Convert a local HTML file to PDF
// IronPDF resolves relative asset paths from the HTML file's directory
PdfDocument pdf = PdfDocument.renderHtmlFileAsPdf("C:/invoices/TestInvoice1.html");
pdf.saveAs("htmlfile_to_pdf.pdf");

import com.ironsoftware.ironpdf.*;
import com.ironsoftware.ironpdf.render.*;

// Configure rendering options before generating the PDF
PdfRenderOptions options = new PdfRenderOptions();
// Set the zoom level (100 = normal size)
options.setZoom(100);
// Wait for JavaScript to finish before rendering
options.setJavascriptTimeout(5000);
// Enable printing of background colors and images
options.setPrintBackground(true);

PdfDocument pdf = PdfDocument.renderHtmlAsPdf(
    "<h1>Customized PDF</h1>",
    options
);
pdf.saveAs("customized.pdf");

import com.ironsoftware.ironpdf.*;
import com.ironsoftware.ironpdf.render.*;

// Configure rendering options before generating the PDF
PdfRenderOptions options = new PdfRenderOptions();
// Set the zoom level (100 = normal size)
options.setZoom(100);
// Wait for JavaScript to finish before rendering
options.setJavascriptTimeout(5000);
// Enable printing of background colors and images
options.setPrintBackground(true);

PdfDocument pdf = PdfDocument.renderHtmlAsPdf(
    "<h1>Customized PDF</h1>",
    options
);
pdf.saveAs("customized.pdf");

import com.ironsoftware.ironpdf.*;
import com.ironsoftware.ironpdf.headerfooter.*;

PdfDocument pdf = PdfDocument.renderHtmlAsPdf("<h1>Annual Report</h1><p>Content goes here.</p>");

// Create a text-based header using merge fields
TextHeaderFooter header = new TextHeaderFooter();
header.setCenterText("Annual Report");
header.setRightText("{page} of {total-pages}");
header.setFont(com.ironsoftware.ironpdf.font.FontTypes.Helvetica);
header.setFontSize(10.0);

// Create a text-based footer
TextHeaderFooter footer = new TextHeaderFooter();
footer.setLeftText("Confidential");
footer.setRightText("Generated by IronPDF");

pdf.addTextHeaders(header);
pdf.addTextFooters(footer);

pdf.saveAs("report_with_headers.pdf");

import com.ironsoftware.ironpdf.*;
import com.ironsoftware.ironpdf.headerfooter.*;

PdfDocument pdf = PdfDocument.renderHtmlAsPdf("<h1>Annual Report</h1><p>Content goes here.</p>");

// Create a text-based header using merge fields
TextHeaderFooter header = new TextHeaderFooter();
header.setCenterText("Annual Report");
header.setRightText("{page} of {total-pages}");
header.setFont(com.ironsoftware.ironpdf.font.FontTypes.Helvetica);
header.setFontSize(10.0);

// Create a text-based footer
TextHeaderFooter footer = new TextHeaderFooter();
footer.setLeftText("Confidential");
footer.setRightText("Generated by IronPDF");

pdf.addTextHeaders(header);
pdf.addTextFooters(footer);

pdf.saveAs("report_with_headers.pdf");

import com.ironsoftware.ironpdf.*;
import com.ironsoftware.ironpdf.render.*;
import com.ironsoftware.ironpdf.page.*;

PdfRenderOptions options = new PdfRenderOptions();
// Set margins in millimeters: top, right, bottom, left
options.setMarginTop(25);
options.setMarginRight(20);
options.setMarginBottom(25);
options.setMarginLeft(20);
// Use A4 paper size
options.setPaperSize(PaperSize.A4);

PdfDocument pdf = PdfDocument.renderHtmlAsPdf("<h1>Formatted Document</h1>", options);
pdf.saveAs("formatted_document.pdf");

import com.ironsoftware.ironpdf.*;
import com.ironsoftware.ironpdf.render.*;
import com.ironsoftware.ironpdf.page.*;

PdfRenderOptions options = new PdfRenderOptions();
// Set margins in millimeters: top, right, bottom, left
options.setMarginTop(25);
options.setMarginRight(20);
options.setMarginBottom(25);
options.setMarginLeft(20);
// Use A4 paper size
options.setPaperSize(PaperSize.A4);

PdfDocument pdf = PdfDocument.renderHtmlAsPdf("<h1>Formatted Document</h1>", options);
pdf.saveAs("formatted_document.pdf");

import com.ironsoftware.ironpdf.*;

PdfDocument pdf = PdfDocument.renderHtmlAsPdf("<h1>Confidential Document</h1>");

// Apply an HTML watermark; supports full CSS styling
String watermarkHtml = "<h1 style='color: rgba(200, 0, 0, 0.2); transform: rotate(-45deg); font-size: 60px;'>DRAFT</h1>";
// Second argument: opacity (0-100), third: rotation (degrees), fourth: stamp behind content
pdf.applyWatermark(watermarkHtml, 50, 45, true);

pdf.saveAs("draft_watermarked.pdf");

import com.ironsoftware.ironpdf.*;

PdfDocument pdf = PdfDocument.renderHtmlAsPdf("<h1>Confidential Document</h1>");

// Apply an HTML watermark; supports full CSS styling
String watermarkHtml = "<h1 style='color: rgba(200, 0, 0, 0.2); transform: rotate(-45deg); font-size: 60px;'>DRAFT</h1>";
// Second argument: opacity (0-100), third: rotation (degrees), fourth: stamp behind content
pdf.applyWatermark(watermarkHtml, 50, 45, true);

pdf.saveAs("draft_watermarked.pdf");

import com.ironsoftware.ironpdf.*;

// Load an existing PDF from disk
PdfDocument pdf = PdfDocument.fromFile(java.nio.file.Paths.get("report.pdf"));

// Extract all embedded text from the document
String text = pdf.extractAllText();
System.out.println(text);

import com.ironsoftware.ironpdf.*;

// Load an existing PDF from disk
PdfDocument pdf = PdfDocument.fromFile(java.nio.file.Paths.get("report.pdf"));

// Extract all embedded text from the document
String text = pdf.extractAllText();
System.out.println(text);

import com.ironsoftware.ironpdf.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.List;
import javax.imageio.ImageIO;

// Load an existing PDF
PdfDocument pdf = PdfDocument.fromFile(java.nio.file.Paths.get("document.pdf"));

// Extract all embedded images
List<BufferedImage> images = pdf.extractAllImages();
for (int i = 0; i < images.size(); i++) {
    ImageIO.write(images.get(i), "PNG", new File("extracted_image_" + i + ".png"));
}
System.out.println("Extracted " + images.size() + " image(s).");

import com.ironsoftware.ironpdf.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.List;
import javax.imageio.ImageIO;

// Load an existing PDF
PdfDocument pdf = PdfDocument.fromFile(java.nio.file.Paths.get("document.pdf"));

// Extract all embedded images
List<BufferedImage> images = pdf.extractAllImages();
for (int i = 0; i < images.size(); i++) {
    ImageIO.write(images.get(i), "PNG", new File("extracted_image_" + i + ".png"));
}
System.out.println("Extracted " + images.size() + " image(s).");

import com.ironsoftware.ironpdf.*;

// Load a large PDF with embedded images
PdfDocument pdf = PdfDocument.fromFile(java.nio.file.Paths.get("large_report.pdf"));

// Compress images to 60% quality to reduce file size
pdf.compressImages(60);

pdf.saveAs("large_report_compressed.pdf");

import com.ironsoftware.ironpdf.*;

// Load a large PDF with embedded images
PdfDocument pdf = PdfDocument.fromFile(java.nio.file.Paths.get("large_report.pdf"));

// Compress images to 60% quality to reduce file size
pdf.compressImages(60);

pdf.saveAs("large_report_compressed.pdf");

import com.ironsoftware.ironpdf.*;

PdfDocument pdf = PdfDocument.fromFile(java.nio.file.Paths.get("document.pdf"));

// Print silently to the default printer (no dialog shown)
pdf.print(false);

import com.ironsoftware.ironpdf.*;

PdfDocument pdf = PdfDocument.fromFile(java.nio.file.Paths.get("document.pdf"));

// Print silently to the default printer (no dialog shown)
pdf.print(false);