Manage cookies within a single interface. Keep some cookies in a browser Chrome and delete the same cookies in another browser Firefox.
Hello, if it is through only one interface, you can use freeware Cookie Monster. It works in windows 7 x64:
Select the spanner icon on the right hand corner
click on options
then click on "under the hood"
then Privacy>content settings>cookies>All cookies and site data...
then delete the cookies that u want and keep cookies that u want
hope it helped