Protect PDF
Encrypt a PDF with a password and control printing, copying and editing permissions.
Runs in your browserFree · no sign-up
How to use Protect PDF
- 1
Choose or drop your file
- 2
Adjust the options
- 3
Process and download the result
Good to know
- Uses standard PDF encryption. Permission restrictions are honored by compliant viewers but are not a strong security control on their own.
Frequently asked questions
Is Protect PDF private?
Yes. This tool runs entirely in your web browser. Your files are processed on your device and are never uploaded to our servers.
Is there a file size limit?
Without an account you can process files up to 50 MB. Paid plans raise the limits.
Do I need to install anything?
No. It works in any modern browser on Windows, macOS, Linux, Android and iOS.