Chrome Markdown Preview is a free add-on for the Chrome browser that allows users to preview GitHub Flavored Markdown files directly within the browser. It offers support for both local and online previews, making it convenient for users who frequently work with Markdown files.

One of the key features of Chrome Markdown Preview is its ability to automatically sync with the source file. This means that any changes made to the source file will be reflected in real-time in the browser preview. This feature allows users to quickly and easily see how their Markdown files will look without having to constantly switch between different applications.

With Chrome Markdown Preview, users can easily view and navigate through their Markdown files, making it a useful tool for developers, writers, and anyone who frequently works with Markdown. It provides a seamless and efficient way to preview Markdown files directly within the Chrome browser.