Upside down is a Google Chrome extension which rotates the web page Upside Down by using Upside Down Extension.It rotates the web page vertically.So you can play prank on your friends computer.

There is no shortcut button provided in toolbar for this it means you have to go to extension and then click on option and do necessary setting there like you may set a time after which Google Chrome will rotate the page.

Note:- This extension doesn’t work on opened tab you have to open new tab to see the changes.