Recently, I needed to be able to clear a single site’s cookies on my computer in order to test an issue that a client was reporting.  I certainly did NOT want to clear all cookies on my computer, which is the default and easiest method for most browsers (how would I remember those thousands of passwords that I have stored everywhere??), and it took a little searching on how to do this in each browser for just one site.  Hopefully you’ll find this list useful as well!

• Google Chrome: http://support.google.com/chrome/bin/answer.py?hl=en&answer=95647
  1. Click Chrome menu on browser toolbar
  2. Select Settings
  3. Click Show advance settings
  4. Click Content settings in Privacy section
  5. In Cookies section, select the site that issued the cookie, then the cookie, and click Remove
• Firefox:  http://support.mozilla.org/en-US/kb/delete-cookies-remove-info-websites-stored#w_delete-cookies-for-a-single-site
  1. Click Firefox button or Tools menu, then click Options
  2. Select Privacy panel
  3. Set Firefox will: to “Use custom settings for history”
  4. Click Show Cookies
  5. In the search field, type the name of the site whose cookies you want to remove.
  6. Select the cookie in the list to remove and click “Remove Cookie”
  7. Click “Close”
• Internet Explorer 9:  http://answers.microsoft.com/en-us/ie/forum/ie8-windows_other/i-want-to-selectively-delete-cookies-in-windows-7/ac10aa92-6919-40b2-a8c7-06a4fe184b6c (NOTE: Though hosted on a Microsoft website, this response was from a non-Microsoft employee, but I couldn’t locate an applicable Support document)
  1. Click on Tools, Internet Options
  2. Under Browsing History, click Settings
  3. Click View Files
  4. Locate the cookies to delete, right click and then click Delete

For all this info in one nifty page with nice screenshots:  http://www.howtogeek.com/111925/delete-cookies-in-the-five-most-popular-web-browsers-in-windows