Marked QL: Instant Markdown Previews in macOS Finder
Instant, beautiful Markdown previews in macOS Quick Look with advanced rendering.
★ 4.0 / 5 iKeep scoreScreenshots
Quick facts
Overview
Marked QL is a macOS Quick Look plugin that renders Markdown files with syntax highlighting, Mermaid diagrams, and MathJax support. It works independently or alongside Marked 3, supporting various Markdown flavors like CommonMark and GFM.
Getting started with Marked QL: Instant markdown previews in Finder | Product Hunt
- Purchase and downloadBuy Marked QL for $4.99 on the Mac App Store and download it to your macOS device.
- Install Quick Look pluginAfter installation, the Quick Look plugin will be automatically available in macOS Finder.
- Preview Markdown filesSelect any Markdown file in Finder and press the spacebar to instantly preview it with syntax highlighting and diagram support.
- Customize renderingOptionally configure Markdown flavor preferences if you need specific rendering beyond default CommonMark/GFM support.
Pricing
| Plan | Price | Note |
|---|---|---|
| Marked QL | $4.99 | one-time purchase |
💡 Indicative pricing — check the official rates at producthunt.com · Updated 7/16/2026
Key features
- Renders Markdown previews in macOS Quick Look
- Supports Mermaid diagrams and MathJax equations
- Syntax highlighting for code blocks
- Compatible with CommonMark, GFM, and other Markdown flavors
- Works with or without Marked 3
Pros
- Seamless integration with macOS Finder
- Supports advanced Markdown features like diagrams and math
- Lightweight and fast
Cons
- macOS only
- Requires purchase ($4.99 on Mac App Store)
Use cases
- Quickly previewing Markdown files without opening an editor
- Reviewing documentation with diagrams and math
- Checking syntax and formatting on the fly
The verdict
Marked QL is a must-have for macOS users who work with Markdown files regularly, offering instant previews with advanced rendering capabilities right in Finder.
✓ Who should use it
Developers and technical writers who need quick, accurate Markdown previews with diagram and math support on macOS.
✕ Who should skip it
Users on other operating systems or those who don't work with Markdown files frequently.
Categories
Community
- MacPowerUsers ↗Podcast community discussing macOS productivity tools
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Frequently asked questions
Is Marked QL: Instant markdown previews in Finder | Product Hunt free?
$4.99 on the Mac App Store
What is Marked QL: Instant markdown previews in Finder | Product Hunt best for?
Developers and writers who frequently work with Markdown files on macOS
Does Marked QL: Instant markdown previews in Finder | Product Hunt have an API?
No, Marked QL: Instant markdown previews in Finder | Product Hunt does not offer a public API.
Can I self-host Marked QL: Instant markdown previews in Finder | Product Hunt?
No, Marked QL: Instant markdown previews in Finder | Product Hunt is not self-hostable.
Who should use Marked QL: Instant markdown previews in Finder | Product Hunt?
Developers and technical writers who need quick, accurate Markdown previews with diagram and math support on macOS.
Reviews 4.0 ★ · 1 review
Marked QL fills a specific but essential niche for macOS users who work with Markdown files. Its ability to render Mermaid diagrams and MathJax equations directly in Quick Look sets it apart from other preview tools. While the $4.99 price tag might deter casual users, professionals will appreciate the time saved by not needing to open a separate editor for quick previews. The plugin's compatibility with various Markdown flavors and seamless Finder integration make it a reliable choice for developers and technical writers.
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