Markdown Peek is a fast, clean Markdown viewer for macOS. Make it your default app for .md, .markdown, and .txt files and they open the moment you double-click.
Press the spacebar to flip between the rendered preview and the raw source, so you always see exactly what you want.
• Clean, GitHub-style rendering
• Spacebar flips between the rendered preview and the raw source
• Quick Look: preview Markdown right in Finder, no app to open
• Print or save as PDF with ⌘P
• Always current: open files reload on their own when they change on disk
• Drag and drop to open
• Select and copy text in both views
• Opens .md, .markdown, and .txt
Built for developers, writers, and students who live in Markdown: READMEs, docs, notes, anything.
Easy for IT, too
Sandboxed, collects no data, and installed straight from the App Store, so it is an easy approval on locked-down Macs and deploys cleanly through Apple Business Manager and MDM. Lightweight, with no accounts, no telemetry, and no setup.
Free to use. Open a file and read.