Morse Code Visualizer is a cutting-edge web application that transforms how users interact with Morse code. This tool allows seamless conversion between text and Morse code with synchronized audio playback and light-flash visualization. The app features a clean, minimal design with two-way conversion panels, adjustable pitch and volume controls, and responsive visual feedback that illuminates with each dot and dash. Built with Next.js, Tailwind CSS, and the Web Audio API, this application offers an immersive learning experience for anyone interested in this historic communication method. The project emphasizes accessibility with keyboard navigation, ARIA attributes, and a high-contrast mode, making Morse code learning accessible to everyone.