MarkMoose Markdown Editor for VS Code

A full-featured Markdown editor with live preview, Mermaid diagrams, LaTeX math, GFM alerts, frontmatter, and beautiful styling — right inside VS Code.

Features

• Live split-view editor — edit on the left, see rendered output on the right
• Draggable split divider — resize editor and preview to your preference
• Table of contents — auto-generated outline sidebar with click-to-navigate
• Dark mode — matches MarkMoose desktop colors, auto-detects VS Code theme
• Formatting toolbar — bold, italic, headings, links, code, lists, tables and more
• Syntax highlighting — 180+ languages via highlight.js
• Mermaid diagrams — flowcharts, sequence diagrams, Gantt charts, and more
• GitHub-style alerts — NOTE, TIP, IMPORTANT, WARNING, CAUTION
• Footnotes — references with back-links
• YAML frontmatter — rendered as a styled metadata table
• LaTeX math — inline $...$ and block $$...$$ via KaTeX
• Keyboard shortcuts — Ctrl+S, Ctrl+B, Ctrl+I, Ctrl+K

How to Use

1. Open any .md file in VS Code
2. Right-click > MarkMoose: Open Markdown Editor (at the top of the menu)
3. Or press Ctrl+Shift+P > type MarkMoose > select the command
4. Or click the MarkMoose icon in the editor title bar

Keyboard Shortcuts

Desktop App

MarkMoose is also available as a standalone desktop app for Windows with tabs, file associations, export to PDF, and more.

• Microsoft Store
• GitHub
• Website

License

MIT — by Morten Rasmussen