Processed on our servers. Every file auto-deletes within 1 hour.
Protect PDF files with a password. Encrypt PDF documents.
or drop PDF here
Secure. Private. In your control.
Upload the PDF you want to lock down — up to 50 MB.
Type a strong password, then repeat it so a typo can't lock you out of your own file.
Click Protect PDF and download the encrypted copy. From now on it requires the password to open.
AES-256 encryption
The same encryption standard used for sensitive data everywhere — not a flimsy viewer-level lock.
Nothing retained
File and password are gone from our servers within ~1 hour, or the moment you hit delete.
Typo-proof setup
You confirm the password twice before encryption, so you can't lock yourself out by accident.
Free, no signup
Protect documents up to 50 MB without an account — no watermarks, no trial limits.