Features List

Explore ComPDFKit's smallest license components and the full list of features on all supported programming platforms, to help you build a customized PDF reader & editor.
ComPDFKit PDF SDK for Windows

Display Modes

Continuous scroll for the vertical direction
Single-page or double-page view for the vertical direction
Automatically trim PDF white margins to resize pages
Support cover mode to show cover page during double page view
Set, delete, and add the space between two pages, adjusting the space before and after a PDF page

PDF Navigation

  • Thumbnails
  • Get an overview of the content of any part of a document via thumbnails
  • Set page thumbnails to jump quickly to a linked page or adjust the current viewing page. Allow to move, copy, or delete a PDF page by thumbnails
  • Outline
  • Get all details about the outline of a PDF file including the names, links, and the actions like jumping to the link, email, PDF page, etc.
  • Add, move, and delete items/subitems in an outline to display the document’s structure and let users navigate documents in a speedy manner
  • Edit outlines by renaming them, and resetting their link to a specific page, a web page, or an email address
  • Bookmarks
  • Get all information about the bookmarks including the bookmark title, link page, date, etc.
  • Add bookmarks to mark a place in the PDF to any location within the document
  • Modify a bookmark name and date, and set its destination to a specific page
  • Delete an existing bookmark from the document

Text Search & Selection

Search within an entire document or page range by using a string, match the text exactly, and get the search result
Select a word, phrase, sentence, or entire passage to copy text from a PDF document


Provide super zoom out and in to unlock more zoom levels
Pinch or double tap on a specific area to perform zoom freely
Make your PDF viewing window adapt to the width of different files, providing a better reading experience


Change theme color and perfectly suit darker reading environments
Set custom colors to display the document to protect eyes after long-time reading like light green, light brown, etc.

Text Reflow

Rearrange text to fit the device screen size for displaying the same layout
Document Editor
Content Editor
Compare Documents
ComPDFKit Conversion SDK for Windows
Convert from PDF
Convert to PDF