With IronPDF for Java you can:

• Generate PDFs from: HTML, URL, JavaScript, CSS and many image formats.
• Add headers/footers, signatures, attachments, and passwords and security.
• Optimize performance: Full Multithreading and Async support.
• And much more...

Generating PDFs

• HTML to PDF:
  • HTML File to PDF
  • HTML String to PDF
  • URL to PDF
• Convert Images:
  • Image to PDF
  • PDF to Image
• Apply Settings:
  • Base 64 Encoding
  • Base URLs
  • Custom File Paths
• Supports:
  • Website and System Logins
  • Custom User Agents
  • Proxies
  • HTTP Headers

Formatting PDFs

• Use HTML Assets:
  • HTML (5 and below)
  • CSS (Screen and Print)
  • Images (jpg, png, gif, tiff, svg, bmp)
  • JavaScript (+ Render Delays)
  • Fonts (Web and Icon)
• Set View:
  • Responsive Layouts
  • Virtual Viewport and Zoom
• Apply Templates:
  • Headers and Footers
  • Page Numbers
  • Page Breaks
• Apply Page Settings:
  • Custom Paper Size
  • Orientation and Rotation
  • Margins (mm, inch, and zero)
  • Color and Grayscale
  • Resolution and JPEG Quality
• International Languages:
  • UTF-8 HTML Encoding

Manipulating PDFs

• Change Page Structure:
  • Merge and Split PDFs
• Edit Content:
  • Add New HTML Content
  • Add Headers and Footers
  • Stamp and Watermark
  • Backgrounds and Foregrounds
  • Add and Edit Annotations
  • Outlines and Bookmarks
• Use Forms:
  • Create and Edit PDF Forms
  • Fill Existing PDF Forms
• Apply Document Settings:
  • PDF Metadata
  • Permissions and Passwords
  • Digital Signatures
• Print a PDF:
  • Print to a Physical Printer
• Read a PDF:
  • Extract Text and Images