Below is a list of the new features in PDF Studio Viewer 2022 – Qoppa’s Free PDF Reader, Annotator & Form Filler – released May 31 2022.

Qoppa Software also publishes a PDF editing application and you can also review the new features in PDF Studio 2022 – Advanced PDF Editor.

New Major Features in Version 2022


window_dialog User Interface

New Features

  • New Document Permissions Panel – PS-5602
  • New Document Properties Metadata dialog – PS-5742
  • New Monotone icons and user preference – PS-6005
  • “Enhance thin lines” preference option – PS-5879


  • Sticky note now displays pop up note by default – PS-5933
  • New “Copy note” option in annotation context menu – PS-5393
  • New option to hide annotation note bubble – PS-5873
  • Added “No to all” option when closing multiple tabs – PS-5910
  • New options in Initial View document properties – PS-5644
    • Window Options: Resize window to initial page, Center window in screen, File name or document title
    • UI Options: Hide Menu Bar, Hide Toolbar, Hide window controls
  • Ribbon toolbar icon enhancements – PS-5707, PS-5967, PS-6006, PS-6007, PS-6034, PS-6018
  • Updated text selection context menu options – PS-5670
  • Added “Search Google for…” text select context menu option – PS-5929
  • Added “Set as default” to annotation right click context menu – PS-5930
  • Add tooltips to bookmarks to display page info and zoom – PS-5882
  • Date Button format now defaults to user locale – PS-5906
  • Mini toolbar: Add text color for typewriter, text box and callout + allow empty border color – PS-6035
  • Show filename on password dialog – PS-5889
  • Signature & document permission banner improvements – PS6105
  • Improved tool search results to also include panes and submenus – PS-6037
  • Toolbar spacing and layout issues on 4k monitors & addition design tweaks – PS-6021
  • Update tooltip color to match selected theme – PS-5983
  • Add “Count” and “Sum” labels for multiselected annotations PS-6169
  • Filter out comment panel search results – PS-5390
  • Add colors for all annotation types in comments pane – PS-3968
  • Improved support for Apple M1 devices – (see Apple M1 ARM Chip Support)


  • Multithreaded Tile Factory for up to 6x performance boost in rendering documents – JPDF-1825
  • Only prompt for JavaScript when it’s encountered rather than when opening the PDF – JPDF-1815

data_cloud Cloud Storage

  • Updated OneDrive SDK – PS-5970
  • Updated DropBox API – PS-5314

contract Digital Signatures

  • Display Full Certificate Chain for Timestamp Authorities (TSA) – PS-5099
  • Support for new digital signature algorithms including “RSASSA-PSS” and “Skribble” for Switzerland – PS-6011
  • Fixed signature vulnerability for incremental save attack from PDF Researchers JPDF-1872
    • Submitted by: Raphael Sütterlin of the Ruhr-Universität Bochum, Chair for Network and Data Security


  • Show invalid bookmark icon when missing action or page reference – PS-5881

clipboard_checks Other Enhancements

  • (Windows) Thumbnail handler – PS-4694
  • Added support for protocols to allow launching PDF Studio Viewer from a web page – PS-5470
  • Many other internal bugs & fixes