ArchitectPDF
Protect PDF
Lock sensitive PDFs with a password and 256-bit encryption.
How it works
1) Upload your PDF. 2) Set and confirm a password. 3) Click Protect PDF to download the secured file.
1
Upload your PDF
Drag and drop your file or browse from your device.
2
Set a password
Enter a password that will be required to open the document.
3
Download securely
We encrypt your PDF and return a protected file instantly.
Learn more: Read the complete guide →