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Protect PDF
Encrypt your PDF with a password to prevent unauthorized access
Processed on your device. No document upload.
.pdf · Up to 15 MB per file
or drop your file here
A QUICK GUIDE
How to use Protect PDF
Select your file in PDF format.
Choose the password that will be required to open the PDF.
Download the result and check it before sharing.
Before you start
Encryption runs locally. Save your password: it cannot be recovered through this website.
Where is my file processed?
Documents are processed on your device. Your original file remains unchanged.
Can I use a password-protected PDF?
Unlock encrypted PDFs first using the correct password, then return to this tool. Open Unlock PDF