excelente, al sincronizar no se sincroniza todo

Un po' macchinoso, ma buono!

This is so useful to keep your cookies and accounts separated and a really nice and clever way to stop some tracking.

the best extension - why I need to searching it and it's not in default distribution!?

Very useful extensions, especially when you have multiple accounts on a site and don't want to constantly log in or out or when you just don't want a site to access data from other sites you visit on your main profile.

It's only because of this extension that I use Firefox. Cool feature. There is no such option in any browser.