Choose a password and, optionally, what recipients may do with the file. The PDF is encrypted with AES-256 in your browser before you download it.
What can people do after opening it with the password?
Protecting documents is one half of security; verifying who's on the other end is the other. FaceTrust adds face match, liveness and ID checks to your onboarding.
The PDF's contents are encrypted with AES-256 — the standard used by banks and governments — so the file is unreadable without the password, not merely hidden behind a dialog box.
Send the file by email and the password by WhatsApp or phone. If both travel together, anyone who intercepts one has both. Use at least 12 characters — our Password Generator can create one.
📖 Read the full guide: How to Password-Protect a PDF (AES-256, Free)
No. Every PDF tool on Pyalm runs entirely in your browser using JavaScript — your files are read, processed and saved on your own device and are never sent to us or anyone else. That makes them safe for contracts, invoices and ID documents.
The open (user) password is required to view the file. The owner password controls permissions such as printing and copying. If you leave the owner password blank, a random one is generated so permissions can't be lifted easily.
AES-256 is supported by Adobe Acrobat (X and later), Chrome, Edge, Firefox, macOS Preview and modern mobile readers. Very old readers may not open it.
No. The encryption happens on your device and we never see the password or the file. Keep the password somewhere safe.