Index Notch is a free Chrome add-on developed by Chell. It falls under the category of Browsers and is classified as an Add-on & Tools. This handy tool aims to facilitate reading long articles on the web by allowing users to annotate scroll positions within webpages.

With Index Notch, users can easily remember and jump back and forth between specific scroll positions in webpages. This is particularly useful when reading lengthy articles that can be exhausting to navigate through. Whether it's a static website or a social networking site constantly loaded with new content, Index Notch can be used to enhance the reading experience.

By providing the ability to annotate scroll positions, Index Notch offers a convenient way to mark important sections or easily revisit previously read content. This can save users time and effort when trying to find specific information within a webpage.

Overall, Index Notch is a useful tool for those who frequently read long articles on the web and want to improve their reading experience. Its simple and intuitive interface makes it easy to use and navigate, allowing users to quickly jump to desired scroll positions within webpages.