Change Timezone (Time Shift) is a Firefox addon designed for users who need to manage their timezone settings efficiently. This subscription-based tool allows users to select their preferred timezone from an intuitive dropdown menu. Additionally, it accommodates daylight saving time adjustments, ensuring accuracy in time representation. Users can easily modify the name and value fields as needed, making it a flexible option for those with specific requirements.

To activate the changes, users only need to reload their tabs after making selections. The addon is straightforward to toggle on and off with a simple click on the toolbar icon, which visually indicates its status. By default, the icon appears in dark grey when active, and turns light grey when disabled. This user-friendly design enhances privacy and convenience for Firefox users.