Light Switch is a Firefox addon, can hide web content except multimedia elements. Provides some functionality to the" switch off the light" behind embedded elements on the web page. With this extension, you will be able to watch videos without being distracted by other multimedia elements on the page.

Extension changing style of the some elements on the web page. Be careful if you debugging something.
On some pages embedded elements may showing incorrect.

Requirements:
* Firefox

The license of this software is Free, you can free download and free use this browser plug-ins software.