Using Firefox. I would like to get rid of "obsolete" cookies. By "obsolete" I mean cookies which have not been accessed by any website in the last x days.
I have searched high and low but I have not found how to do that. What I have found is, among others:
- restrict the lifetime of all cookies (about:config -> network.cookie.lifetimePolicy).
- whitelist or blacklist domains (firefox preferences -> privacy -> cookie exceptions).
- delete all cookies from the last x hours (firefox history -> clear recent history).
None of that is what I want.
I want to delete all cookies which have not been accessed by any website in the last x days.