Import Webpage as PDF
Safari on iOS supports sharing webpages in PDF format and Reader View PDF format. Starting from DoCube 1.3.2, you can import webpages as PDF through Share Actions.
First, tap the
Options
at the top of the Safari share panel, then in the options panel that appears, switch Send As to
PDF or Reader View PDF, then tap Done.
Next, find
Send to DoCube 
in the Share Actions list, tap it to open the confirmation panel, then tap "Import" to import the webpage as PDF into DoCube.