Tracking Time is an extension that lets you track the time you spend working on a project or task within a web-based project management tool. You can add the button to your Chrome browser and start tracking the time within a few seconds. 

This is a very simple and lightweight extension that doesn't require any setup or maintenance. You just need to add the button to your Chrome browser and it will start tracking the time as soon as you launch it. 

It is compatible with more than 35 web-based project management tools. You can track hours in one place and see the progress of your projects in real-time.