Arc PDF is evolving from a lightweight PDF reader and annotation tool into a full native PDF editor with AI. Edit existing text and images, add new content, annotate, reorganize pages, and make scanned documents searchable with OCR. You can also connect your own AI models to summarize, translate, extract tables, generate mind maps, and work with your PDFs through natural language. Unlike cloud-based PDF editors, Arc PDF is designed as a native Mac app with no account or subscription required.