Serenity is a minimal new tab page on Chrome designed to track your happiness. Users can record and analyze their gratitude scores using an emoji icon scale ranging from 1 to 5, representing least grateful to most grateful. The data is securely stored in the user's local storage, ensuring privacy and convenience.

Serenity's key features include an intuitive emoji icon scale that allows users to click and record their gratitude score effortlessly. The selected icon is highlighted, and the corresponding score is prominently displayed. Moreover, the app utilizes local storage to securely store gratitude scores and timestamps, providing a seamless user experience.