Advanced PDF Password Recovery has an easy to use interface. Use the menu and shortcuts to perform new actions. 

In the Length tab you can select the minimal and the maximal password length for the brute-force attack. 

Advanced PDF Password Recovery Pro's Auto-save tab lets you select the time interval to auto-save your project and the default directory. 

The Options tab enables you to customize the application's behavior according to your needs and preferences. 

In the Advanced tab you can configure the advanced options, including whether to search for a user password or an owner one and the mark symbol.