Simply Markdown is a fast, native macOS app for reading Markdown files. Open any .md file and get a beautifully rendered preview — no editing, no distractions, just clean reading.
FEATURES
• Mermaid Diagrams — Flowcharts, sequence diagrams, ER diagrams, pie charts, state diagrams, and git graphs rendered directly in your documents.
• KaTeX Math — Inline and display math equations, matrices, summations, and integrals. Perfect for scientific and academic documents.
• Syntax Highlighting — 190+ programming languages with automatic language detection and color themes.
• Live Reload — Edit your Markdown in any editor and the preview updates instantly. No manual refresh needed.
• Table of Contents — Auto-generated sidebar from your headings. Click to navigate, always in sync with your document.
• Light & Dark Themes — Follows your system appearance or set manually. Every part of the app adapts.
• GitHub Flavored Markdown — Tables, task lists, strikethrough, and all GFM extensions fully supported.
• YAML Frontmatter — Metadata is automatically detected and stripped from the preview.
• Status Bar — Word count, estimated reading time, and last modified date at a glance.
BUILT FOR macOS
Simply Markdown is a true native app built with SwiftUI. It launches instantly, uses minimal resources, and integrates naturally with your Mac workflow. Drag files onto the
dock icon, use keyboard shortcuts, or set it as your default Markdown viewer.
No subscriptions. No internet required. No plugins to install. Just open and read.