Online Marketplace (Full-Stack Web Application)

A full-stack web application that enables users to buy and sell pre-owned items. The platform features secure authentication, product listing management, search with category and price filters, and an AI-powered tool that rewrites product descriptions for better engagement. Built with Node.js, Express.js, Supabase, EJS, and JWT on the backend, and a responsive HTML/CSS/JavaScript frontend with light/dark mode support.