Ever found an amazing ChatGPT response… and then completely lost it later inside endless chats? Notebook for ChatGPT turns ChatGPT into a real notebook. Highlight responses, attach notes, ask follow-up questions on selected text, bookmark messages, tag conversations, save prompts, and export everything as Markdown or styled PDFs. It also includes searchable notes, local-only message editing, and full backup/import support — so your conversations stay organized and reusable long term.