Delete cookies using Firefox tools.

Cookies may be set by the server with or without an expiration date. Cookies without an expiration date exist until the browser terminates, while cookies with an expiration date may be stored by the browser until the expiration date passes. Users may also manually delete cookies in order to save space or to avoid privacy issues.

Look at the top of your opened Firefox main page and locate the “tools” option.

Select the tools option and look for the “options” selection.

Click on “options,” check for the privacy choice and click on that.

Check the box that says, “Accept cookies from sites.”

Look at the “show cookies” option and browse through the websites listed.

Choose whether you want to delete certain tracking cookies or all of them in one shot.

Remove all the tracking cookies by selecting the option, “Remove all cookies.”