Your agents write markdown. MacMD Viewer reads it. Native macOS app built for one thing: rendering the .md files Claude, ChatGPT, Cursor, and Copilot ship back. No editor, no bloat.
Press Space on any .md file in Finder. See it rendered instantly with headings, code blocks, tables, and diagrams. Works in Spotlight and Open dialogs too.
Learn more about QuickLook →Read the setup guide →Flowcharts, sequence diagrams, state machines, Gantt charts, pie charts, and more. Write them in standard Mermaid syntax inside fenced code blocks. No plugins, no config.
See supported diagram types →Complete Mermaid guide →Every fenced code block rendered with proper syntax highlighting. Supports every major language: JavaScript, Python, Swift, Rust, Go, and dozens more. Follows your system theme automatically.
File watching built in. Edit in VS Code, Vim, Zed, or whatever you like. Changes appear instantly. Your editor stays yours; MacMD Viewer handles the reading.
Full light and dark mode support that follows your macOS system appearance. Automatic switching, no manual toggle needed. Every element adapts seamlessly: text, code blocks, diagrams.
An auto-generated sidebar table of contents appears for any document with headings. Click to jump. Highlights your current position as you scroll. Collapsible when you want more reading space.
Pinch to zoom or use keyboard shortcuts to scale the rendered output. Great for presentations, accessibility, or just reading comfort. Your zoom level persists per document.
Use the macmd:// URL scheme to open any Markdown file from scripts, Alfred workflows, Raycast, or other apps. Integrates into your existing automation seamlessly.
$19.99 one-time. Every feature included.
Compare with Typora, MacDown, Marked 2, or MarkText. See the full side-by-side comparison hub or read the best Markdown viewers for Mac.