SaaS Stack Detector is a Chrome add-on designed for developers and marketers, allowing users to quickly identify the technologies powering any website. This tool scans for a variety of frameworks, content management systems, and analytics tools, providing a comprehensive overview of a site's tech stack. With a focus on speed and minimalism, it respects user privacy while delivering essential information about frontend frameworks like React and Vue, eCommerce platforms such as Shopify, and server technologies including Nginx and PHP.

The latest version introduces AI-enhanced accuracy for detecting modern single-page applications and headless CMS setups, ensuring reliable results. Users can also contribute to community data, helping to expand the add-on's library of over 1000 signatures. Additionally, the interface features a dark mode theme, making it visually appealing for developers who prefer a sleek workspace.