Goodnotes is a digital note-taking, document management, and collaboration application that combines handwriting tools with artificial intelligence and cloud synchronization. The platform allows users to create digital notebooks, typed documents, and interactive whiteboards for organizing information, developing ideas, and managing projects. Its handwriting technology supports stylus input, handwriting recognition, spellchecking, text conversion, drawing tools, and searchable handwritten content. PDF annotation capabilities enable users to highlight documents, add handwritten comments, mark up reports, and organize reference materials. Goodnotes AI can summarize information, answer questions using document content, generate visual summaries, and transform meeting notes into structured action items. Audio recording tools capture conversations and synchronize recordings with handwritten notes, allowing users to replay specific moments and generate searchable transcripts. Its digital whiteboard provides an infinite canvas for brainstorming, mind mapping, sketching diagrams, and collaborative planning. Real-time collaboration enables teams to edit shared documents, exchange comments, track changes, and synchronize updates across supported devices. Goodnotes supports personal productivity, education, business meetings, document review, and knowledge management through applications for Apple devices, Android, Windows, and web browsers.