Markdown File Viewer is a free Chrome add-on designed for users who frequently work with Markdown files. This tool provides an auto-preview feature that allows users to view their Markdown documents in real-time, making it easier to edit and format text without switching applications. The integrated file tree offers a convenient way to navigate between multiple Markdown files, while the Table of Contents (TOC) navigation simplifies jumping to different sections within larger documents.

In addition to these features, Markdown File Viewer supports code highlighting, which enhances the readability of code snippets within the Markdown files. Users can also export their documents to HTML format, facilitating easy sharing and publishing. Overall, this add-on is a valuable resource for anyone looking to streamline their Markdown workflow in the Chrome browser.