KeyNote is an innovative Chrome extension designed to summarize web pages, YouTube videos, and PDF documents using advanced AI bots like ChatGPT, Claude, and Gemini. This tool not only aids in creating concise and comprehensive summaries but also allows users to generate mind maps and highlights for better understanding and retention. With features like free unlimited usage, no sign-up requirement, editable summaries in markdown format, and export options to Notion and Obsidian, KeyNote stands out as a versatile and user-friendly productivity tool. Additionally, the extension is lightweight, ensures user privacy by not tracking data, and is equipped with keyboard shortcuts for ease of use.