A: Yes, fully. However, your sync data (passwords, history) goes to Google’s servers. If you want portability without cloud sync, just don’t sign in.
A: Yes, extensions are stored inside the portable profile folder. Google Chrome Portable
Google could theoretically break portable functionality by hardcoding paths or removing command-line flags, but the Chromium open-source project ensures that workarounds will always exist. As long as there are shared computers and privacy-conscious users, Google Chrome Portable will remain relevant. Google Chrome Portable is not for everyone, but for those who need it, it’s indispensable. It delivers 99% of the full Chrome experience without installation, admin rights, or residue. The trade-offs — speed dependency on USB, lack of deep integration, and third-party packaging — are acceptable given the portability and privacy benefits. A: Yes, fully