Protect PDF with a password
Add an open password and restrict permissions. Runs in your browser — no upload.
Drop a PDF here
or click to browse
PDF files only
Add an open password and restrict permissions. Runs in your browser — no upload.
Drop a PDF here
or click to browse
How it works
Upload your PDF
Drop the PDF you want to protect onto the upload zone.
Set a strong password
Enter the password you want to use. The tool applies AES-256 encryption — the same standard used by banks and governments.
Download the protected PDF
Click Protect. Download the encrypted file and test it immediately by opening it in a new tab to confirm the password prompt appears.
Frequently asked questions