Function groupsAnnotations and hotspot links
Create, modify and extract annotations, internal and external links.
Create and place 1D or 2D barcodes that comply with major standards (e.g., Code128, QR Code).
Examine or manage (CMYK and RGB) color usage through the document.
Content Streams and Optional Content Groups
Manipulate Quick PDF Library content streams (layers) as well as Optional Content Groups.
Direct access functionality
Work with files directly on the disk to allow larger documents to be processed quickly.
Load/save your documents from/to disk or memory.
Extract pages, split PDFs into smaller documents or merge them together.
Extract PDF content, including text, full pages, or content-related information (e.g., font properties).
Manipulate fonts or find out font properties such as name, size, height, width, kerning.
Work with PDF forms -- both the original AcroForms technology and static XFA.
Basic HTML functionality allows the addition of reflowing text boxes.
Add, edit, extract, modify a variety of image types using conventional and Direct Access (DA) functions.
Measurement and coordinate units
Set the units (e.g., mm or inches) to be used by the drawing functions.
A variety of functions centered around configuring the library such as specifying the unlock key.
Add and edit outlines (bookmarks), navigational elements used within a PDF.
Add content (including multimedia), configure color, page, and transparency/overprint settings.
Move, copy, add, rotate, and replace pages using memory or Direct Access functions.
Path definition and drawing
Produce vector graphical content using lines and curves.
Rendering and printing
Render PDF content to images for viewing, saving or printing.
Security and Signatures
Encrypt, decrypt documents, apply security properties and work with Digital Signatures.
Add text to a page using a rich set of font characteristics and colors.
Draw lines, curves or shapes, which can be assigned to drawn directly or assigned to paths.
Deprecated and deleted functions
This is a set of functions that are no longer valid.
Functions which have been renamed for consistency with the rest of the library.