Substack ToC is a free Chrome extension designed to enhance the user experience for long-form Substack posts. This tool automatically generates a linked Table of Contents (ToC) by scanning your draft for headings (H1-H4). With a single click, it creates anchor links that allow readers to navigate directly to sections of interest, improving the overall readability and engagement of your content.

The extension simplifies a previously tedious process, eliminating the need for manual URL copying and pasting after publishing. Users can insert a formatted ToC directly into their editor, making it easy to share individual section links or the entire ToC. This tool is straightforward to use—simply click the