Sober by Jmfcool.com is a free Chrome extension that helps you track your sobriety and days sober. With this extension, you can easily set your sobriety date using the date picker, and the extension will automatically calculate the number of days you have been sober.

The main feature of Sober is its simplicity. Once you have set your sobriety date, the extension takes care of the rest, displaying the number of days you have been sober every time you open a new tab in Chrome. This serves as a constant reminder of your progress and can be a great source of motivation to continue on your journey towards sobriety.

Overall, Sober by Jmfcool.com is a useful tool for individuals who are looking to track their sobriety and stay motivated on their journey to recovery. With its automated tracking and simple interface, it provides an easy way to monitor your progress and celebrate your milestones.