Extensions

Rainbow Markdown

david-wei

VS Code extension to color Markdown table columns in distinct colors

Mermaid Lint

mermaid-lint

Live Mermaid diagram validation — inline squiggles, hover, and quick-fixes in Markdown fenced blocks (.md, .markdown) and standalone .mmd files.

Comment MD

Fr4nZ82

Preview Markdown files with persistent per-selection comments and Mermaid support.

Markdown Read Aloud (Piper)

Larsini

Reads Markdown and plain text aloud with local Piper text-to-speech – no cloud, no account.

PlantUML Local

kkdev92

Render ```plantuml code blocks in the built-in Markdown preview. No Java, no server, no network connection — your diagram source is rendered locally.

Tree Generator

dldyou

Generate project tree for README.md

Ag4s RTL Markdown Editor

Algo4Stock

A full-featured WYSIWYG editor for RTL Markdown with Persian font support.

Flintmark

quboliu

Obsidian-compatible Live Preview Markdown editing in VS Code. Not affiliated with Obsidian.

Ether Themes

Priyaank

Ether Themes — 25 WCAG-validated dark color themes, 496 React/Next.js/TypeScript snippets, and bundled Astro, Vue, Svelte, MDX, Angular, Kotlin, AIDL, ProGuard & Dotenv syntax highlighting for VS Code and Cursor.

Add annotations, highlights and comments to Markdown documents

Psy-Phy Preview

psyphy

Live preview for .md and .mdx files using Psy-Phy components. Write plain markdown, see it rendered beautifully, export a ready-to-use .mdx file.

MyST Notebook

RequieMa

Edit MyST Markdown (.md) in VS Code's notebook editor: rendered prose, math, and executable code cells.