Best Markdown Viewers for Mac in 2026
Best Markdown Viewers for Mac in 2026
If you work with Markdown files on macOS, having a dedicated viewer makes a huge difference. Instead of switching to a browser or guessing how your formatting will look, a native Markdown viewer renders your .md files beautifully — right on your Mac.
Here’s a look at the best options available in 2026.
What to Look for in a Markdown Viewer
Before diving into specific apps, here are the features that matter most:
- Native macOS experience — Fast launch, low memory, works with Finder
- Mermaid diagram support — Flowcharts, sequence diagrams, and more from plain text
- Math rendering — KaTeX or MathJax for equations and formulas
- Syntax highlighting — Code blocks that look great
- Live reload — See changes as you edit in your favorite text editor
- GitHub Flavored Markdown (GFM) — Tables, task lists, footnotes, and strikethrough
1. Simply Markdown
Simply Markdown is a lightweight, native macOS app built specifically for viewing Markdown files. It’s not an editor — it’s a viewer that does one thing exceptionally well.
Key features:
- Mermaid diagram rendering (flowcharts, sequence diagrams, ER diagrams, pie charts, state machines)
- KaTeX math equations (inline and display)
- Syntax highlighting for 190+ languages
- Live reload with smart file watching
- Auto-generated table of contents sidebar
- Light and dark mode
- Full GitHub Flavored Markdown support
- Folder browser for navigating multiple Markdown files
Simply Markdown is ideal if you write Markdown in a text editor like VS Code, Sublime Text, or vim and want a beautiful, always-up-to-date preview in a separate window.
2. Marked 2
Marked 2 is a well-known Markdown previewer for Mac. It supports custom styles, export to PDF, and has been around for years.
Pros: Mature app, custom CSS, export options Cons: No built-in Mermaid support, paid app, hasn’t seen major updates recently
3. MacDown
MacDown is a free, open-source Markdown editor for macOS. It uses a split-pane layout with editing on the left and preview on the right.
Pros: Free, open source, built-in editor Cons: Editor-focused (not a pure viewer), no Mermaid support, no live reload from external editors
4. Typora
Typora is a popular Markdown editor that renders content inline as you type. It provides a “what you see is what you get” experience.
Pros: Beautiful inline rendering, good theme support Cons: Paid app, editor-focused, heavier on system resources
5. VS Code with Markdown Preview
Many developers already use VS Code and its built-in Markdown preview. With extensions, you can add Mermaid and math support.
Pros: Free, extensible, you’re probably already using it Cons: Not a native app, requires extensions for advanced features, preview is a tab inside the editor
Comparison Table
| Feature | Simply Markdown | Marked 2 | MacDown | Typora | VS Code |
|---|---|---|---|---|---|
| Native macOS | Yes | Yes | Yes | Yes | No |
| Mermaid diagrams | Yes | No | No | Yes | Extension |
| KaTeX math | Yes | No | Yes | Yes | Extension |
| Syntax highlighting | 190+ langs | Yes | Yes | Yes | Yes |
| Live reload | Yes | Yes | No | N/A | N/A |
| Table of contents | Yes | No | No | Yes | Extension |
| GFM support | Full | Partial | Partial | Full | Extension |
| Folder browser | Yes | No | No | Yes | Built-in |
| Price | Free | Paid | Free | Paid | Free |
Which Should You Choose?
- If you want a dedicated viewer that stays in sync with your editor: Simply Markdown
- If you want a full editor with preview: Typora or MacDown
- If you’re already in VS Code: The built-in preview with extensions might be enough
The best tool depends on your workflow. If you write Markdown in one app and want a beautiful, real-time preview in another — Simply Markdown is purpose-built for exactly that.
Try Simply Markdown
A beautiful native macOS viewer for all your Markdown files.
Download on Mac App Store