Kill Cookies v1.2resigned1
Simple add-on (webextension) which allows one to kill cookies by different options -
Kill all cookies
Kill all cookies except the whitelisted domains
Kill cookies for the current web-page domain
Kill specific / individual cookie by its name
Kill cookies by a specific web-page domain / name.
Options page allows one to configure whether to display all cookies or only the kill all menu items. Additionally, whitelisted domains could be configured to ignore certain cookies by domain. Please raise an issue request in the Github's project page.