Protect PDF with a password

AES-256 encryption — the same standard banks use. The password and the file stay with you.

Drag a PDF here or

PDF · the file stays on your device

    Sent to a server: 0 B

    FAQ

    How secure is this?

    It uses AES-256, the strongest encryption the PDF standard supports. Security depends on the password — use at least 10 characters and don't send the password through the same channel as the file.

    What if I forget the password?

    There's no way to open the file without it — we don't know it either, because it never leaves your device. Keep the original.

    Do printing restrictions always work?

    Adobe Reader, browsers and most apps honor them, but some programs ignore them. The open password is the only protection you can fully rely on.

    More tools

    Redact PDF

    Permanently remove ID numbers, account numbers or names — not just cover them.

    Verify signature

    Check who digitally signed a PDF and whether it was changed after signing.

    Unlock PDF

    Remove the password or the printing and copying restrictions from a PDF.