Hayt is a smart search tool for Mac that helps users search, find, and chat with documents. It adopts a privacy-first design philosophy, with all documents stored locally on the user's Mac and searches conducted locally, without relying on external services. The tool also supports content similarity search, allowing for searches based on document content. Users can interact with documents through natural conversation to extract information and insights in real-time. Hayt provides an integrated search platform that supports various file types, such as PDFs, Word documents, and Excel spreadsheets. It streamlines document management processes and boosts productivity.