Multi-source content processor for Google NotebookLM. Converts any content (URLs, YouTube, PDFs, EPUB, Office docs, images with OCR, audio, CSV/JSON/XML, ZIP archives, search queries, Google Drive files) into podcasts, videos, slide decks, quizzes, flashcards, mind maps, infographics, reports, data tables, and study guides via NotebookLM. Use when users want to: (1) convert content to audio/video/slides, (2) generate study materials from documents, (3) create podcasts from articles or books, (4) build mind maps or infographics, (5) research topics and generate reports, (6) upload content to NotebookLM, (7) batch process multiple sources, or any task involving content transformation through NotebookLM.