This project is a google chrome extension, it is only working on developer version of google chrome browser. Google chrome browsers is famous around the world, but it takes too much memory when opening multiple tabs. The aim of this extension is to free up memory by closing less important tabs. When the memory chrome takes is over a certain number, this extension will automatically find out the least important tab based on time unused, type of tab and numbers of memory it takes. User can set the number of maximum memory before this extension is triggered and they can also set their preferred website so that it will have a lower chance to be closed.