The PDF Library reads and writes PDFs up to version 1.7 (Acrobat 8.0) and boasts a dynamic range of features including:

• Transparent Unicode support - create documents in Arabic, Russian or Japanese as easily as English.
• TrueType and Type1 fonts, with subsetting for smaller files. Great for OCR
• PDF Encryption, for password-protected documents (40 and 128 bit RC4 or AES)
• Embed JPEG, PNG, GIF, TIFF or java.awt.Image images, or add Barcodes directly to the PDF
• Use Spot colors, calibrated ICC profiles and other advanced colorspace
• Add HTML-style Hyperlinks to text or images
• Process 1000+ words a second with kerning, ligatures, justification and "curly quotes" for legibility
• Simplify complex document creation by defining and applying "Styles"
• Full support for PDF features like bookmarks, compression and document meta-information
• Non-linear creation of documents - pages can be created and edited in any order

PDF Library Extended Edition

The extended edition of the Java PDF Library offers additional features:

• Load and edit existing PDF documents, as templates or merge with others
• Create and edit interactive Forms, or "AcroForm"
• Digitally sign documents, or verify existing digital signatures

Java PDF Viewer

On top of the Extended edition, the Viewer Extension can be used to display PDFs:

• SWING component for displaying PDF documents
• Convert PDF to TIFF (or any other bitmap format)
• Extract and index text and images from PDF documents, including integration with Apache Lucene
• Print PDF documents, including support for annotations and other PDF features not supported by Java 1.5 printing
• Pre-flight new or existing PDFs against PDF/X-1a, PDF/X-3 or PDF/A-1b.