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What is a Cookie, How to Delete Cookies on a Mac and Why

To put it simply, a cookie is a piece of information. When you go back to a website, the browser passes a cookie to the server. The server is then able to collect information and data about the pages that you are accessing. This is generally to see which ones you are visiting the most and which ones are getting repeat hits.

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There are two different kinds of cookies that should be considered: session and persistent.

Session cookie: This is a cookie that is erased when you close the browser and is stored in the temporary memory. This kind of cookie is not stored for longer than the time that the browser is open, and it does not collect any information from your computer. A good example of when cookies are used is during online shopping. This is because your information is saved while you shop but then your basket disappears as soon as the window is closed. Although it should be remembered that some online shopping websites do use the other kind of cookie.

Persistent cookie: This is a stored cookie that lives on your hard drive until it expires or you delete it. These kinds of cookies collect identifying information about the user and the user’s behavior for a specific browser.

You do not have to worry about session cookies, as these are never stored and do not take information about the user, but rather the session. The persistent cookies, however, are the ones that take up space on your computer and can also open the user to threats, if personal information is accessed. Knowing how to delete cookies on a Mac that are not used or are posing as a threat is essential.

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Delete Cookies on Mac with Ease

Deleting cookies on Mac is actually very easy whether you are going through each browser manually or are using a cleaning app to do the job for you. First, you need to identify which browser you use or if you use more than one then you will need to complete the steps for each.


  1. Launch the Chrome browser
  2. Click: History
  3. Hit: Show Full History
  4. Click: Clear Browsing Data
  5. Choose the time: The Beginning of Time
  6. Check the box: Cookies
  7. Click: Clear Browsing Data


  1. Launch the Firefox browser
  2. Select: History
  3. Choose: Clear Recent History
  4. Choose the Time Range: Everything
  5. Click the arrow for: Details
  6. Check the box: Cookies
  7. Hit: Clear Now


  1. Launch the Safari browser
  2. Click History
  3. Choose: Clear History and Website Data…
  4. Choose time range: All History
  5. Click: Clear History

There is also the option to use the CleanMyMac 3 app for quicker and better results than knowing how to clear cookies on Mac manually.

  1. Download: CleanMyMac 3
  2. Click: Privacy
  3. For each browser, select: Cookies
  4. Click: Remove

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This is one of the best ways to delete cookies on your Mac, as it does this for each browser. This is a program that will eliminate any and all junk that you have slowing down operations or reducing the life of your computer.

The Benefits of Having Clear Cookies on a Mac

While it may seem like a tedious thing to do when you need to clear cookies on Mac for each individual browser, the benefits are well worth the time and effort spent. This is especially the case if you use the CleanMyMac 3 app.

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You will first and foremost save yourself lots of time and in many different ways. When you stay on top of clearing cookies on your Mac, you will never have to do so in a desperate and hurried attempt to make more space on your hard drive.

Having clear cookies on a Mac will also create more space in the process whether you think you need it or not. Having this extra space will not only allow you to save more files, but it will also make your computer work more efficiently.