Taskbar Hider is a simple portable freeware tool for Windows 7 users which allows you to hide taskbar and also active tasks from the taskbar. Although Windows 7 does provide you option to hide the taskbar, this free tool provides option to instantly hide the taskbar and also the active tasks.
The application works on Windows 7 and Windows Vista and can also hide the start button.
The application is portable and does not require any installation.