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Add genuine AES-256 encryption to any PDF with a password you choose. This isn't a cosmetic lock — it's the same encryption standard used by governments and banks, applied entirely inside your browser.
No signup · No file limits · Files never leave your deviceSelect one or more files you want to protect with a password.
Choose a password and confirm it — this prevents accidental typos from locking you out.
Your encrypted PDF downloads instantly, ready to share safely.
AES-256 — the same standard used by banks and governments — applied through a genuine, widely-trusted PDF encryption engine, not a cosmetic placeholder.
No, and that's intentional. Real encryption means nobody, including us, can bypass it. Store your password somewhere safe, like a password manager.
No. The entire encryption process happens locally in your browser. Your file and password never touch a server.
Yes. It's standard PDF encryption, compatible with all major PDF readers — they'll simply prompt for the password.
Yes, completely free, with no daily limit on how many PDFs you can protect.
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