Fully compatible with PDF1.7 file structure - Read, view and modify documents in the most widely-used PDF format version.
C++ code with assembly optimization for great performance - True native code compiled from C++ sources.
Text, hyperlink, geometric primitives and free hand annotations - Annotate PDFs with hyperlinks, text, sketches or insert complex binary objects into your PDFs.
AES and RC4 encryption / decryption protection - Full AES256 cryptography ensures high-level protection for your documents.
Text Handling - Text search and extraction, and text highlighting are some of the included commonly-requested features.
PDF form editing and writing - Create, write, read acrofields (form fields).