No specific info about version 2.1. Please visit the main page of PDF Attributes on Mac Informer.
Crack PDF master passwords. Remove limitations from your PDF file also Adobe digital rights management (DRM).
It is tool to remove restrictions of any secure PDF document.
Convert native/scanned PDF to Word, Excel, Pages, Text, Images, etc.
Read standard PDF documents on Mac computers: text documents, articles, forms.
PDF Image Extract is a simple tool that lets you extract images from PDF files.