Power Tracker is a free Chrome add-on designed to monitor and optimize your browser's power consumption. It provides live energy estimates per tab, allowing users to identify which tabs are consuming the most power. Additionally, it offers environmental impact estimates, converting energy usage into CO₂-equivalent figures, providing context on your browsing habits and their effects on the environment.

The add-on features personalized power-saving tips based on individual browsing patterns, helping users adopt more energy-efficient habits. Power Tracker saves local history for trend analysis and allows data export in JSON format. It operates without external servers or ad tracking, ensuring data privacy by storing all metrics locally and requiring minimal permissions.