Black Chronometer

Black Chronometer is a minimalist stopwatch Chrome extension developed with the primary goal of maximizing battery life on devices with AMOLED screens. Tested on devices like the Nexus 6P, it ensures minimal battery consumption even after prolonged use. Completely free and open source, the extension requires no permissions, making it both secure and user-friendly. There are no ads, providing a clean and distraction-free experience. Inspired and tested by Josep Balcells, it combines simplicity with efficiency for users needing a reliable stopwatch without compromising device performance.