Placescleaner

The PlacesCleaner extension works as follows: first it deletes the history entries which have been rarely accessed (the default value is twice but you can chage it anytime from the Preferences window) and it "vacuum" it, in order to keep the places database clean, compact and efficient. Platforms: Mac

PlacesCleaner is a Firefox extension that will clean your places database, by delete the recodes of browse history which you had viewed less than 2 times (adjustable), and vacuum it, in order to keep the places database clean, and more efficiency. It also deal with the website screenshot data... Platforms: *nix