Markdown Preview Plus is a free Chrome extension developed by Linlinqi. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools subcategory. This extension allows users to convert and preview markdown files (.md, .markdown) to HTML, including a Table of Contents, directly within the Chrome browser.

The main features of Markdown Preview Plus include automatic parsing of markdown files into HTML with live reload, support for auto reload, external CSS files, and customization of themes for each markdown file. Additionally, the extension supports GitHub flavored markdown, allowing users to easily view and format their markdown files. Users can also export HTML files with a clean and professional layout. Markdown Preview Plus also supports rendering of Katex and Mermaid, providing enhanced functionality for mathematical equations and diagrams.

Please note that the auto reload feature is disabled by default.