Mr. Captor's main window displays the application menu and toolbar which allow you to capture different types of regions and a preview of the last captured image. 

The Capture menu lets you select from the wide range of capturing methods, including Regions, Screen, windows, etc. 

The Main Preferences tab allows you to customize the application's behavior according to your needs and preferences. 

The Hotkey tab enables you to configure the keyboard shortcuts to be activated in this application. 

In the Clipboard Preferences tab, you can choose the format for the clipboard image. 

The View Preferences tab lets you select the size for the toolbar buttons and for the capture bar buttons. 

The Other Preferences tab, where you can set an external editor of your choice, customize the mail sending and the HTML background.