Use Sugpdf to Encrypt & Password Protect PDF files in just 3 steps and also remove password from encrypted/password protected pdf files

Protect PDF

Add Password to Open PDF files
Prevent Copying Text from PDF
Prevent Copy of Images from PDF files
Allow or Disallow Printing of PDF files
Add PDF Password

Unlock PDF

No Password to Open
Can Copy Text from PDF
Can Copy Images
Can Print PDF
Remove PDF Password