•Developed a zero-knowledge password manager using Next.js and PostgreSQL, ensuring that only users can access their stored credentials. •Implemented AES encryption for secure password storage with a master key-based decryption workflow, preventing provider-side visibility. •Integrated Nodemailer email alerts to notify users on each password access, enhancing transparency and security. •Designed an intuitive UI with ShadCN & TailwindCSS, supporting password storage with platform links, usernames, and credentials.