Following the 13.1 release, the application was rebranded as .
: Added the ability to export PDFs to Microsoft PowerPoint and PDF/A-1b formats without an active internet connection. Transition to Nitro PDF Pro
: Users of PDFpen 13.1 can use the Nitro Migration Assistant to move their library items, stamps, and user preferences to the newer Nitro application. PDFpen 13.1
: Some users reported instability or freezing on early M1 Mac systems.
: Existing PDFpen 13 licenses are generally valid for activation within Nitro PDF Pro 13 . Common Technical Notes Following the 13
PDFpen 13.1, released by Smile Software in mid-2021, introduced several performance enhancements and new features for Mac users. This version also marked a significant transition period for the application following its acquisition by Nitro Software . Key Features and Improvements
: New default sidebar modes, including Attachments and Form Fields, were added to help users organize their workspace. : Some users reported instability or freezing on
: Issues with OCR halting on exceptionally long documents have been documented, with some users suggesting processing pages in smaller ranges as a workaround.
