Function groups
Annotations and hotspot linksEdit annotations, internal and external links.
Barcodes
Add a variety of barcode types onto a page.
Color
Edit color usage through the document.
Direct access functionality
Work with files directly on the disk to allow larger documents to be processed quickly.
Document management
Load/save your documents from disk or memory.
Document manipulation
Extract pages or merge documents together.
Document properties
Modify global document properties including security, fonts, information, and JavaScript.
Extraction
Extract page related information such as page ranges, page content, or page text.
Fonts
Add, edit, extract fonts as well as access data such as name, size, height, width, kerning, and so on.
Form fields
Work with PDF forms, primarily AcroForms, as well as modest number of XFA options.
HTML text
Add text using a basic set of HTML text including textboxes, colors and reflowing text.
Image handling
Add, edit, extract, modify a variety of image types using conventional and Direct Access (DA) functions.
JavaScript
Access the collection of JavaScript functions which turn your PDF into a living dynamic document.
Layers and Optional Content Groups
Manipulate Quick PDF Library content streams (layers) as well as Optional Content Groups.
Measurement and coordinate units
Set the units to be used by the drawing functions.
Miscellaneous functions
A variety of functions centered around configuring the library such as specifying the unlock key.
Outlines
Add and edit outlines (bookmarks), the navigational elements used within a PDF.
Page layout
The set of functions which allow you to add content to a page (text, images, vectors).
Page manipulation
Move, add, rotate, and replace pages using memory or Direct Access functions.
Page properties
Work with page properties like width, height, page boxes, page labels, and JavaScript.
Path definition and drawing
Define and draw multi-segment paths from using lines and curves.
Rendering and printing
Render pages to viewer or printer.
Security and Signatures
Encrypt, decrypt documents, apply properties and work with Digital Signatures.
Text
Add text to a page using a rich set of font characteristics and colors.
Vector graphics
Draw lines, boxes, and circles 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This is a set of functions that are no longer valid.
Renamed functions
Functions which have been renamed for consistency with the rest of the library.