A VS Code extension that provides an enhanced Markdown preview with a navigable table of contents, three-way sync, context-menu actions, zoom, theme switching, and code copy helpers.
Features
Table of Contents — Auto-generated collapsible tree sidebar from headings, with scroll spy highlighting
Resizable / Hideable TOC — Drag the sidebar edge to adjust width, or hide it completely from the right-click menu
Three-way Sync — TOC, Preview, and Markdown editor stay in sync:
Click a TOC item → Preview scrolls + Editor jumps to the heading
Scroll Preview → TOC highlights + Editor follows
Move cursor in Editor → Preview and TOC follow
Theme Switching — Defaults to Light theme; cycle through Light → Dark → System (follows VS Code)
Zoom — Ctrl/Cmd + Scroll zooms the full preview, including code blocks (50%–200%); right-click menu can reset to 100%
Context Menu — Right-click the preview to refresh, toggle TOC, reset zoom, switch theme, or copy Markdown source
Copy — Hover over code blocks for a copy icon; right-click a code block to copy it immediately
Mermaid Diagrams — Render mermaid fenced code blocks as diagrams with a slider toggle to switch between Graph and Source views per block
Code Styling — Code blocks use dark green base text and gray italic comments
Scroll Quick Nav — Floating bubble buttons in the bottom-right to jump to top/bottom
Refresh — Right-click menu refresh action manually syncs preview with latest Markdown content
Usage
Action
Shortcut / Command
Open Preview
Ctrl+Shift+V / Cmd+Shift+V
Open Preview to Side
Command: Open Markdown Preview to the Side
Open preview menu
Right-click inside the preview
Toggle TOC
Preview right-click menu: Toggle contents
Collapse TOC items
Click ▼/▶ toggle arrows
Resize TOC
Drag left edge of the sidebar
Zoom in/out
Ctrl/Cmd + Scroll
Reset zoom
Preview right-click menu: Zoom 100%
Switch theme
Preview right-click menu: Switch theme
Copy code block
Right-click a code block, or hover and click the copy icon
Copy Markdown source
Preview right-click menu: Copy Markdown source
Refresh preview
Preview right-click menu: Refresh preview
Requirements
VS Code ^1.125.0
Release Notes
0.0.7
Removed the top toolbar and moved preview actions into a right-click menu. Code blocks now scale with preview zoom, support right-click copy, and use dark green base text with gray italic comments. TOC hiding now removes the sidebar from layout and uses tighter right spacing.
