Each profile gets its own completely isolated window, separate cookies, separate local storage, separate sessions but it all lives inside one unified interface. No leaks between accounts ever and there are dedicated proxy support per profile. ProxyChains and Rotating proxies included!!!
For a technical explanation see my blog! (you must translate into English because the original language is Italian).
BlackSession isolated Sessions & Privacylets users create isolated profiles with proxy & proxychainJun 2026