mineTab chrome extension uses “geolocation” API. It is only used to fetch the current Temperature & Weather in case location access is allowed. Read more about the privacy policy of the geolocation API here: https://w3c.github.io/geolocation-api/#privacy

The To-Do List feature saves your tasks in localStorage (Local Storage): A storage location managed by the web browser. And as the same suggests, all is saved locally on the machine where the browser is installed.

Light Mode & Dark Mode is stored in localStorage (Local Storage): A storage location managed by the web browser. And as the same suggests, all is saved locally on the machine where the browser is installed.