You could manually go through your Mac’s folder structure and delete each unwanted cookie and leftover file individually, but it would take you hours or even days to do what a cleanup utility like CCleaner for Mac can do in a few seconds. Apart from storing stateful information, cookies are also often used to compile long-term records of individuals’ browsing histories, and they may even be used to disrupt or impersonate legitimate user requests to websites. As you use your computer, the operating system itself as well as various applications you use leave behind residual files that occupy space on your hard drive and often lead to slower boot times and various other issues.Įven websites leave files on your hard drive, called cookies, and there are several reasons why you should get rid of them. What is CCleaner for Mac?ĬCleaner for Mac is a cleanup utility whose purpose is to simplify Mac maintenance. That’s where tools like CCleaner for Mac come in. Computers, including Macs, are similar to cars because they too require some maintenance to run like new. If you drive your car with old coolant, you can expect it to overheat and generally run poorly. If you never change the oil in your car on time, the lifespan of the engine will be much shorter than it has to be. It’s common knowledge that cars require maintenance to stay in good working order.