Uptime is a free Chrome add-on developed by aquilax. This add-on tracks the uptime of your browser, allowing you to monitor how long your browser has been running.

With Uptime, you can easily keep track of how long you have been using your browser without any interruptions. It provides you with valuable information on your browsing habits and helps you understand your online activities better.

The add-on is simple and easy to use. Once installed, Uptime starts tracking the time your browser has been running automatically. You can view the uptime by clicking on the Uptime icon in your browser's toolbar.

Uptime is a great tool for anyone who wants to keep track of their browser usage and monitor their online activities. It is especially useful for those who spend a lot of time browsing the internet and want to have a better understanding of their browsing habits.

Please note that Uptime is a free add-on and the source code can be found on GitHub. Feel free to remix and modify it according to your needs.