Perpetual License - $79.99/Perpetual Access to all SwifDoo PDF features 1 end device per plan Lifetime free upgrades and tech support System Requirements Windows 11/10/8/7 or macOS 10.12 or later 1GHz processor (2GHz recommended) 1GB RAM (2GB recommended) 150MB of available hard-disk space ...
Although I have a license valid until 2026, I receive an error message on the desktop application stating that my license has expired, and it didn't accept the key when I reentered it. As a workaround, I try the web application. However, yesterday I received an error message on the we...
If you want to shade an area within a PDF, just select “Whiteout” feature in the tab “Edit” to hide parts of a PDF document. After you save these changes, others who access the PDF can neither see the hidden content nor delete the changes. Sometimes when you are required to add ...