Press Space on a Markdown file in Finder to view a rendered version instead of raw text.
To activate the functionality, you must run the host app at least once after installation to register the extensions with macOS. PreviewMarkdown 1.4.5
Enable or disable these at any time under System Settings > Extensions > Quick Look . Press Space on a Markdown file in Finder
Released on December 23, 2022, is a minor maintenance update for the macOS utility that enables QuickLook previews and icon thumbnails for Markdown files. Developed by Tony Smith (Black Pyramid Software), the app provides essential Finder integration for users working with .md and .markdown documents. Key Updates in 1.4.5 Released on December 23, 2022, is a minor
If you'd like, I can find where to the latest version, or help you troubleshoot why your previews might not be appearing. PreviewMarkdown - App Store - Apple