Markdown Editor Optimized (MEO)

An optimized markdown editor with live editing mode for VS Code.

demo

Features

Live/Source modes - Switch between clean writing and raw markdown in a single tab
Toolbar formatting - Insert headings, lists, tasks, tables, code blocks, links, images, and quotes in one click
Floating selection menu - Instantly apply bold, italic, strikethrough, inline code, or links on any text selection
Spellcheck - Fix issues with built-in spelling suggestions
Interactive editing - Toggle tasks, open links, find/replace, render full-screen Mermaid diagrams, and LaTeX syntax
Images - Paste images directly into notes with inline rendering and automatic path resolution

Contents outline sidebar - Jump to and reorder sections in long documents with ease
Table editing - Insert and edit tables inline without writing raw syntax
Scroll memory - Reopening a long file restores your previous scroll position

Change visualisations - See insertions, modifications, and merge conflicts inline
Git blame - View commit information for any line directly in the editor
GitHub syntax - Renders GitHub-specific markdown including collapsible details, footnotes, alerts, kbd, and emojis
GitHub Copilot - Support of native changes review experience

Theming - Guide - Customise syntax colors, background, fonts, and line height to match your style
Default themes - One Monokai, One Dark Pro, Dracula, Gruvbox, Nord, Solarized Dark, Catppuccin Mocha, Tokyo Night, GitHub Dark, and GitHub Light
Export - Save your document as HTML or PDF

Right-click any .md, .markdown, .mdx, or .mdc file in the Explorer → Open With Markdown Editor Optimized
Set as default: Cmd/Ctrl + Shift + P → Markdown Editor Optimized: Set as Default
Toggle between Live/Source modes: Option/Alt + Shift + M