TechTrace is a free Chrome extension designed for developers that provides real-time analysis of web technologies utilized on any website. It identifies a wide range of technologies, including frontend and backend frameworks such as React and Django, popular content management systems like WordPress and Shopify, and various web servers and CDNs. Additionally, it covers JavaScript and CSS libraries, analytics and marketing tools, and infrastructure technologies, boasting detection of over 7,400 technologies in total.

One of the standout features of TechTrace is its vulnerability analysis, which detects outdated versions with known CVEs and displays risk levels in an accessible popup. The extension also includes a DNS inspector for querying domain records, a port scanner for identifying open ports, and a minimap for visualizing server locations. With a user-friendly interface available in seven languages and no telemetry or tracking, TechTrace ensures a secure and informative experience for its users.