Lighten PDF Password Remover
Lighten PDF Password Remover 1.1.0 is available as a free download on our software library. Our built-in antivirus scanned this download and rated it as virus free. The program is included in Office Tools. This software is a product of Lighten Software Limited.
From the developer:
PDF Password Remover is an easy-to-use tool, which can remove all the document restrictions. If you have permission and know the open password, it will also help you removing the open password, so you don't need to enter it everytime you open the encrypted document. The program will only work if you know the password - it is not a password cracker.
You may want to check out more software, such as PDF Password Remover Tool, Advanced PDF Password Remover or Weeny Free PDF Password Remover, which might be similar to Lighten PDF Password Remover.