
Keeper – AI-Powered Personal Journal
A secure personal journaling application featuring AI-powered sentiment analysis on entries, enabling users to track emotional trends and gain insights over time. Also built as an Android app using Capacitor and published on the Google Play Store. Developed a robust full-stack journaling application with React.js and Next.js, facilitating secure user authentication and personalized entry management. - Engineered a backend API using Next.js API Routes to perform real-time sentiment analysis on journal entries via **Firebase AI Logic (Gemini model)**. - Implemented server-side sentiment processing, reducing frontend load and enhancing data consistency for emotional insights. - Integrated Firebase Firestore for scalable data storage, including user-specific journal entries and their corresponding AI-generated sentiment data. - Configured Firebase Authentication for secure user access and Firebase App Check to prevent abuse and ensure genuine app usage. - Designed a user-friendly interface for seamless journal entry and intuitive display of sentiment trends over time. - Built and published an Android app version using Capacitor, available on the Google Play Store for wider accessibility.




