MarkEdit is a free, open-source Markdown editor designed exclusively for macOS, offering a native, privacy-focused, and lightweight experience. It supports seamless editing of large files (up to 10 MB) and integrates effortlessly with Shortcuts and AppleScript for extensibility. With a clean, intuitive interface and a minimal installer size of 3 MB, MarkEdit prioritizes simplicity and speed. It is compatible with the latest macOS versions and is available via direct download or Homebrew. The project is MIT-licensed, emphasizing transparency and user freedom, and encourages community contributions while maintaining a focus on core functionality.