Mac-letterhead

Mac-letterhead is a professional macOS utility focused on applying customizable letterhead templates to PDF and Markdown documents. It can create drag-and-drop desktop apps that merge company letterheads with documents, preserving formatting and ensuring professional presentation. With built-in support for multiple blend modes, advanced margin detection for Markdown, and integration with the Model Context Protocol (MCP) for AI tools, it's ideal for macOS users who need automated, high-quality document branding and PDF generation.