
Open .md files from Finder. Edit in place. See Git diffs.
MDViewer opensmd files instantly from Finder — double-click or press Space for a QuickLook preview. Built with SwiftUI, not Electron: it launches in under a second and uses a fraction of the memory. Edit in place with a double-click, browse Git history with color-coded diffs, render Mermaid diagrams and KaTeX math, export clean PDFs, and search across everything with ⌘F. Full GitHub Flavored Markdown. Lite version is free, Pro is $9.99. macOS 13+, Intel and Apple Silicon.
MDViewer by Crocopliers is a SwiftUI-based application for macOS that allows users to open, edit, and preview .md files directly from Finder, with support for Git diffs and Mermaid diagrams. The Lite version is free, while the Pro version is available for $9.99.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.