Most OneBuddy features work fully offline since they run locally in your browser.
Works offline: Pomodoro timer, notes & shortcuts, clipboard history, habit tracker, bookmark manager, health reminders, privacy blur, browser lock, screenshots, and screen/tab recording.
Requires internet: Google Calendar sync (needs to connect to Google), encrypted messaging (needs to connect to relay server), and ad/tracker blocking (needs web pages to be loading).
OneBuddy stores all data locally using Chrome's storage API, so your settings, history, and preferences are available regardless of internet connectivity.