This tool creates an icon in the extension area of your Google Chrome browser. This icon provides a popup window when clicked that brings up a search bar that when searched sends you to the minecraft wiki suggestion of your chosen search. Also, there is a very detailed description of all of the different mobs in the game, along with a recipe table of every crafted item in the game currently. For the advanced user - There is a detailed list of redstone logic gates.
Minecrizzy for Google Chrome is in the Chrome Extensions category of the Browsers section.