Unfold

A lightweight Markdown viewer for macOS built with SwiftUI and WKWebView.

Features

• Renders GitHub-flavored Markdown with full styling
• Syntax highlighting for 190+ languages via highlight.js
• Dark and light mode support (follows system appearance)
• Copy button on code blocks
• Link hover preview
• Anchor navigation with smooth scrolling
• Back/forward navigation through scroll history
• File watching — auto-reloads when the file is saved externally
• PDF export (Cmd+E)
• Print support (Cmd+P)

Building

Open Unfold.xcodeproj in Xcode and build (Cmd+B).

Third-Party Software

Unfold bundles the following libraries:

• marked v15.0.12 — Markdown parser (MIT License)
• highlight.js v11.11.1 — Syntax highlighter (BSD 3-Clause License)

License

0BSD — See LICENSE for details.