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ENTRY 06 — PASSWORD PROTECT

Password Protect

Lock a PDF with a password using real AES-128 encryption — not a cosmetic lock, an actual one.

Worth knowing before you lock a file

There's no "forgot password" option — the password never leaves your device, so nobody, including this site, can recover it if it's lost. Keep it somewhere safe. Test the output by opening it with the password before relying on it for anything important.

Drop one PDF here, or click to choose
The file stays on your device the whole time.