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.
A Markdown file, a single key. Preview headings, tables and diagrams without leaving the folder you are working in.
Explore QuickLook →Read a diagram at your own scale. Zoom into tables, code and flowcharts, then return to the whole document.
Explore Mermaid diagrams →All of this — Quick Look, Mermaid, live reload, and offline viewing — in one $19.99 purchase.
An auto-generated sidebar table of contents appears for any document with headings. Click to jump. Highlights your current position as you scroll. Shows the word count and reading time below it. Collapsible when you want more reading space.
| Feature | MacMD Viewer (native) | Electron apps |
|---|---|---|
| Dedicated read-only viewer | Yes | Varies |
| QuickLook in Finder | Yes | No |
| Mermaid diagrams | Yes | Varies |
| Subscription | No | Varies |
Yes. The QuickLook extension lets you press Space on any .md file in Finder to see it rendered — headings, code blocks, tables, and Mermaid diagrams — without opening the app. It also works in Spotlight results and Open/Save dialogs.
Yes. Flowcharts, sequence diagrams, state machines, Gantt charts, and pie charts render inline from standard Mermaid syntax in fenced code blocks — no plugins and no configuration.
Yes. File ▸ Export as PDF (⇧⌘P) saves the open document as a PDF in your current theme, with Mermaid diagrams, syntax-highlighted code, tables, local images, and clickable links. It flows as one continuous page with no watermark or footer. For paper-sized pages, use File ▸ Print (⌘P).
Yes. Live file watching is built in. Edit a .md file in VS Code, Vim, Zed, or any editor, and MacMD Viewer re-renders the preview automatically. Your editor stays yours; MacMD Viewer handles the reading.
It is a read-only viewer by design. MacMD Viewer renders Markdown for reading and never modifies your files — you keep your favorite editor for writing.
Yes. It follows your macOS light or dark system appearance automatically, and every fenced code block is syntax-highlighted across major languages including JavaScript, Python, Swift, Rust, and Go.
Yes. MacMD Viewer is a one-time $19.99 purchase with every feature included — QuickLook, Mermaid, PDF export, live reload, dark mode, and more. No subscription and no add-ons.
$19.99 one-time. Every feature included. No subscription.
Compare with Typora, MacDown, Marked 2, or MarkText. See the full side-by-side comparison hub, read the best Markdown viewers for Mac, or start from the MD viewer for Mac overview. Pairing MacMD Viewer with Claude Code, Cursor, or another agent? The AI coding tool integration docs cover the one-command setup.
MacMD Viewer