MD Preview App — macOS Markdown Viewer

Skill by ara.so — Daily 2026 Skills collection.

A fast, native macOS app (AppKit + WKWebView) for reading .md files. No Electron, no browser tab. Features include a document outline sidebar, Mermaid diagram rendering, KaTeX math, Quick Look extension, in-document search, and one-click "Open With" for popular editors.

Installation

Pre-built (recommended)

Download the signed and notarized DMG from the Releases page and drag to /Applications.