Tickytock is a web-based extension for Chrome that will let you count down the life of your browser's visitor. It can be configured to appear on every website you want to prevent you from mindlessly browsing the web, while you're sitting at your computer. This can help to increase your productivity and stop you from wasting time online.

How does it work?

Tickytock will count down your estimated life span on all websites you visit. You may even receive reminders while you're browsing and get a real sense of time passing. The countdown will be displayed on a timer that will appear in the corner of the screen and can be configured to be displayed on every website you visit.