A cache is used to store information on your computer, the services help to make it easier and faster to load at any time. Gmail helps you store a variety of data or files on your Computer in a temporary cache. This page will be discussing how to clear your Gmail cache from Chrome and Firefox. Whenever your Gmail is offline, Cache helps you to save your drafted emails so that you can easily work on them even without an internet facility available ( that is when you are offline). It goes a long way to decongest your inbox. It is one of the important features that make Gmail attractive.