What this extension does Time Tracker records how much time you spend on websites, with an easy to read dashboard about your time spent. From the Options page you can configure: notifications, day boundaries, idle behavior, and appearance. This add-on is focused on privacy, so all data recorded stays on your local machine, no logins necessary. Key features

Popup: a quick view of today's time
Summary page: full view of time spent by day/week/month
Options page: customize the experience: Notifications, New Day Start (day boundary hour), Theme (Light/Dark), Data (export/import/delete), Idle behavior, Popup (change visual and layout).
Privacy focused: all data stored locally, with no external transmission
Data controls: export, import, and delete local data
Open source: source available on GitHub

How to use

Install the extension.
Tutorial automatically runs and highlights elements.
To see tutorial again any time just open the Options page (via popup or summary page).
Click on "Start tutorial".

Permissions required

Display notifications to you: used to send reminders of how much time you spent today (if enabled via options page).
Access browser tabs: used to track time on domains.

Data Collection/Privacy All data recorded is stored on your local device, no data is transmitted externally. Support & feedback This extension is open source, source code is available on GitHub.