Chaptify is a free Chrome extension developed by George Kirakosyan, falling under the Browsers category with a focus on Add-ons & Tools. This tool allows users to instantly mark key moments in YouTube videos, creating chapters to enhance viewer navigation seamlessly.

Accessing Chaptify is convenient as it operates from the browser's side panel, accessible through a simple click on the extension's icon or by using the shortcut `Ctrl + B`. Users also have the flexibility to customize key combinations by visiting `chrome://extensions/shortcuts`.

Effortlessly create chapters by adding them through the video's control panel or directly within Chaptify's side panel. Each chapter captures the video's timestamp for precise navigation, offering a user-friendly experience for content creators and viewers alike.