Show HN: Sygal – Convert PDFs, scans and web pages to Markdown, locally

Sygal is a web application that allows users to convert PDFs, scans, and web pages into Markdown format, all locally on their devices. The application is accessible via a web interface, and users can upload files or enter a URL to convert. Sygal's conversion process is said to be fast, with a claim of 1-2 seconds for converting a typical PDF. The application also claims to preserve formatting and layout, and supports a range of file types including PDF, image, and HTML.