

Built That Extension is a platform designed to assist developers and indie hackers in discovering viable ideas for Chrome extensions. The service provides access to a comprehensive database of over 9,500 expired Chrome extensions, each having had at least 500 users. This dataset is particularly valuable as it includes extensions that were once popular but have since been removed from the Chrome Web Store due to changes in Google's extension policies, specifically the transition from Manifest V2 to Manifest V3. The platform positions these expired extensions as untapped opportunities for develo…