QR Code for a PDF: Free, No Sign-Up, No Expiring Trial
Make a free QR code for a PDF that keeps working after you print it: no account, no trial that switches off, plus a pre-print checklist and privacy tips.
InvisHosting Blog
Updates, tutorials, and tips for better file hosting
How to Upload a PDF Anonymously (Clean It First)
Upload a PDF anonymously the right way: strip hidden author metadata, make the removal permanent with qpdf, check the file, then share it with no account.