OI Avatar is a web-based platform that allows users to create a digital avatar in a virtual setting to practice speaking English confidently. The tool creates a pro-look video in minutes and supports multi-language. It features an intuitive interface and a fast self-learning method suitable for beginners. The current beta phase is free of charge and users can access the tool from Google Chrome, Firefox, Safari, or Edge browsers. The tool provides users with personalized feedback to improve their public speaking skills and English pronunciation.