A beautiful markdown viewer for macOS
Open, read, and navigate your markdown files with syntax highlighting, math, diagrams, and a native macOS experience.
Download for macOS
Everything you need to read markdown
A focused viewer with the rendering quality you'd expect from a modern editor — without the editor.
CommonMark & GFM
Full-spec rendering with tables, task lists, strikethrough, and emoji.
Syntax Highlighting
Over 40 languages with Shiki — accurate, fast, and theme-aware.
Math Equations
KaTeX rendering for inline and block LaTeX expressions.
Mermaid Diagrams
Interactive flowcharts, sequence diagrams, and more with zoom and pan.
Dark & Light Themes
Comfortable reading in any lighting with system-aware themes.
Multi-Tab Interface
Open and switch between multiple markdown files with tabs.
Table of Contents
Auto-generated sidebar with collapsible heading navigation.
Native macOS App
Registered file handler — double-click any .md file in Finder.
Auto-Updates
Always running the latest version with silent updates.
Drag & Drop
Drop markdown files onto the window to open them instantly.
Ready to try Marker?
Free to download. No account required.
Download for macOSRequires macOS 12 or later · Apple Silicon & Intel