Password-protect a PDF

Pick a PDF and add a password to it (AES-256 encryption) so not just anyone can open it.

📄 Drag your PDF here or click to choose it

Password to open the PDF Owner password (optional)

✅ Done. Download protected PDF

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Important

If you lose the password, there’s no way to recover the file — keep it somewhere safe (you can use the Mini Cookies password generator).
AES-256 encryption is used, the current standard for protecting PDFs (compatible with Adobe Reader, Chrome, Edge, Firefox and most modern readers).