MacMD Viewer

AI tools generate Markdown. Your Mac shows you raw text with hashtags and asterisks. MacMD Viewer fixes that. Double-click any .md file — or press Space in Finder — and see it rendered instantly with headings, code blocks, tables, and Mermaid diagrams. Native SwiftUI, not Electron. No editor to open, no extensions to install, no subscription. It's Preview.app for Markdown.