Native Markdown for Quick Look on macOS

Own Sheen once.
Use it for $9.99.

Sheen brings instant Quick Look preview, a beautiful native editor, and a focused Markdown toolset to macOS through a single $9.99 Mac App Store purchase.

Buy on the Mac App Store

$9.99 one-time purchase on the Mac App Store. No subscription.

Quick Look preview showing beautifully rendered Markdown

Preview any Markdown file.
Instantly.

Press spacebar. Sheen renders your Markdown beautifully in Quick Look — headings, code, tables, math. No app to open. Just press space.

Quick Look: Code blocks with syntax highlighting Quick Look: LaTeX math equations Quick Look: Mermaid diagrams
Spacebar preview

Select any .md file in Finder and press space. Instant, beautiful rendering.

Instant rendering

No loading screen. No progress spinner. Your Markdown appears rendered immediately.

All your files

Works everywhere in Finder. Every .md file, rendered beautifully. Always.

Write and preview.
Side by side.

Write Markdown on the left, watch it render on the right. Live preview updates as you type. Scroll sync keeps you in context. A Bear-inspired toolbar puts formatting at your fingertips.

Editor: Split-pane with source left, preview right — code content Editor: Split-pane with source left, preview right — prose content

Everything Markdown. Nothing more.

Sheen is focused. Every feature earns its place.

GFM Rendering

Full GitHub Flavored Markdown — tables, task lists, strikethrough, and more.

Syntax Highlighting

20+ programming languages with beautiful code blocks that are easy to read.

LaTeX Math

Inline and block math equations via KaTeX. Write equations naturally in Markdown.

Mermaid Diagrams

Flowcharts, sequence diagrams, and more — rendered inline in your documents.

7 Themes

Sheen Default, Solarized, Nord, Dracula, and more. Auto light/dark mode.

Export to PDF

One-click PDF export with your chosen theme styling preserved perfectly.

Export to HTML

Standalone HTML files with all styles inlined. Share anywhere, view everywhere.

Copy as Rich Text

Paste styled Markdown into Pages, Notion, or any app that accepts rich text.

File Watching

Auto-refresh when files change externally. Work in any editor, preview in Sheen.

Command Palette

Spotlight-style quick actions with ⌘K. Every command, one keystroke away.

Liquid Glass

Built for macOS Tahoe with the native Liquid Glass design language. Feels at home.

Zero Network

Fully offline rendering. No telemetry. No phoning home. Your files stay yours.

Your Markdown. Your style.

7 built-in themes with custom CSS injection. Automatic light/dark mode. Your documents always look exactly how you want them.

Theme: Sheen Default (light) Theme: Sheen Dark Theme: Nord
Sheen Default Sheen Dark Solarized Nord Dracula GitHub Minimal
Mac App Store
$9.99
once

Buy Sheen once on the Mac App Store and get the full Quick Look and editor experience from your first launch.

  • Quick Look extension for Finder
  • Full-featured Markdown editor
  • 7 built-in themes
  • LaTeX math, Mermaid diagrams
  • PDF & HTML export
  • One-time purchase
  • macOS native — Liquid Glass
Buy Sheen for $9.99

$9.99 one-time purchase through the Mac App Store. No subscription. Requires macOS 14+.