The preferences you set in Venster's Settings — your time format, language, and named places (with their icons and addresses) — are stored only in your browser's localStorage, on this device. They are never sent to our servers as part of a journey search, and we do not sync or back them up anywhere.
To plan a journey, the From/To you type is sent to the routing and address-lookup services so we can resolve places and compute departures. That is the trip request itself — separate from the on-device settings described above.