Click on the “Menu” tab in the upper-right corner, and select “Settings.”
Click on “Advanced Settings,” then “Content Settings.”
Click on “All cookies and site data…” to see a list of all the cookies Chrome has stored on your hard drive. From there you can delete specific files individually, or delete everything by selecting “Remove All.”
Firefox
Click on the menu button in the upper right and select “Options.”
Navigate to the “Privacy” tab and under “History” set Firefox to “Use custom settings for history.”
Click on“Show Cookies…” which appears once you’ve enabled custom settings for your browser history.
From there, you can scroll through a list of cookies accumulated by Firefox, clear them individually or remove them all as a group.
Safari
Click on the Tools menu in the upper-right corner and scroll down to “Preferences.” From here, select “Privacy.”
Click on “Remove All Website Data…” then click “Remove Now.” To delete individual cookies, click “Details…” and find the specific cookie and delete it accordingly.