What is Protect PDF?
Protect PDF encrypts your document so only people with the password can open it. ILovePDF provides this tool free of charge, with no registration, no watermark and no software to install.
How to use Protect PDF online
- Upload your PDF.
- Set a password.
- Download the protected PDF.
UploadChoose or drop your file
ProcessClick the action button
DownloadSave your result
Why use our protect pdf tool?
- Strong encryption.
- Prevents unauthorized access.
- Free to use.
Safe, free and works everywhere
Our tools run on any modern browser, including Chrome, Firefox, Safari and Edge, on Windows, macOS, Linux, Android and iOS. Where possible your file is processed directly on your device; any file sent to a server is removed automatically after processing. See our Privacy Policy for details.
Frequently asked questions about Protect PDF
How do I password protect a PDF?
Set a password and click Protect PDF.
What if I forget the password?
It cannot be recovered, so store it safely.