The Art of Reading Markdown
A beautiful, offline-first macOS app that faithfully reproduces GitHub-style Markdown rendering. Because reading Markdown should be a quiet, deliberate act of understanding.
Why Arto?
Most Markdown tools focus on writing. Arto focuses on reading—giving you a distraction-free, beautiful experience.
Reading-First Design
Purpose-built for reading, not editing. Enjoy a calm, focused experience that lets you absorb content without distractions.
GitHub-Style Rendering
Faithful reproduction of GitHub's Markdown rendering, including extended syntax, alerts, and styling you're familiar with.
Native Performance
Built with Rust for blazing-fast performance. Opens instantly, renders quickly, and uses minimal system resources.
Offline-First
Works completely offline. Your documents stay on your machine, private and always accessible.
Mermaid Diagrams
Interactive Mermaid diagrams with zoom, pan, and copy-as-image. Visualize your documentation beautifully.
Dark Mode
Beautiful dark theme that syncs with your system preferences. Easy on the eyes, day or night.
See Arto in Action
Watch how Arto transforms your Markdown reading experience.
"Reading Markdown is not just a utility task"
It's a quiet, deliberate act of understanding and appreciation. Arto is built on this philosophy—providing a serene space where content takes center stage and the interface fades into the background.
Explore All FeaturesGet Started in Seconds
Install Arto with Homebrew and start reading beautifully rendered Markdown immediately.
brew install --cask arto-app/tap/arto
xattr -dr com.apple.quarantine /Applications/Arto.app