Add a password to contracts, statements and confidential files before sending them. AES 256-bit encryption is used, and you can block printing, copying or editing after opening.
How to use it
- Choose a PDF file.
- Type and confirm a strong password, and choose what is allowed.
- Click “Protect PDF” and download.
Features
- Standard AES-256 encryption.
- Password strength meter.
- Control printing, copying and editing.
- Opens in every modern PDF reader.
Privacy and security
“Protect PDF” runs entirely in your browser using trusted open-source libraries. Your files are never uploaded to a server and no copy is kept, so your documents stay private. It is free and needs no sign-up.
Tip: Store the password safely — it cannot be recovered.