Hnspector is a free Chrome extension designed to streamline the process of inspecting heading structures on web pages. It focuses on analyzing H1 to H6 tags within the HTML code, presenting users with an organized and easily navigable heading structure. This tool is particularly useful for web developers, content creators, and SEO specialists who require a clear overview of headings for optimization and accessibility purposes.

Key features of Hnspector include an indented list display of the heading structure, the ability to highlight headings directly on the page, and seamless navigation by scrolling to specific headings when clicked. Additionally, users can copy heading content and export the structure in CSV format. The extension also provides warnings when the hierarchical structure is not adhered to and indicates the count of each heading type, enhancing the overall user experience.