H1-H6 Tag Tester is a free Chrome add-on designed to help users visualize the structure of headings on webpages. This tool highlights H1 through H6 tags in a customizable color scheme, making it easier to identify the hierarchy of content on any site. Users can quickly see how headings are organized, which can be particularly useful for web developers, SEO specialists, and content creators aiming to optimize their pages for better readability and search engine performance.

The add-on not only highlights the tags but also displays the tag names directly on the webpage. This feature enhances user understanding of how headings are applied and assists in ensuring proper usage of heading tags. With its straightforward functionality and visual aids, H1-H6 Tag Tester serves as an essential tool for anyone looking to improve their website's structure and content management.