Basic Structure doctrine limits Parliament's power to amend the Constitution beyond its core identity.
Kesavananda Bharati (1973) established that certain features cannot be destroyed by amendment.
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The problem that query is really asking
When someone types “tool for storing all my notes PDFs and I can ask LLM too,” they want three things at once: durable storage, organization that survives exam season, and an LLM that does not invent answers from the open web.
Generic chatbots fail the storage half. Single-file ChatPDF-style tools fail the library half. Note apps with AI often treat PDFs as second-class. Shelf is built around that combined intent.
Store first: one personal library
Upload PDFs, typed Docs, sketch notebooks, and YouTube lectures into collections and topics you control. There is no forced General folder — root pages and nested folders map to how you already revise.
Highlights, reading progress, and search stay on your material so the library is useful even before you open Tutor.
- Collections and topics for coaching PDFs, cases, journals, and work docs
- Reader workspace with tabs and split view
- Private to your account — you bring the content
Basic Structure doctrine limits Parliament's power to amend the Constitution beyond its core identity.
Kesavananda Bharati (1973) established that certain features cannot be destroyed by amendment.
Explain this highlight
Ask second: Tutor is the LLM layer
Tutor is Shelf’s product name for the LLM that reads your library. It retrieves relevant passages (RAG), cites sources, and answers on a page, a highlight, a collection, or library-wide scope.
You keep saying “LLM” in search; in the product you see Tutor. Same capability — grounded Q&A over your notes and PDFs.
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Why grounding beats paste-into-ChatGPT
Pasting a chapter into a consumer chatbot loses your full corpus, breaks citations, and may conflict with privacy needs for coaching or work documents.
Shelf indexes your published pages so follow-up questions can span multiple files without re-uploading every time.
Beyond chat: quiz and plan
After you store and ask, Shelf still helps you revise: exam-style quizzes from your notes, and a planner with tasks linked back to pages.
That closes the loop searchers often miss — storage + LLM alone is not enough for serious study weeks.
Basic Structure doctrine limits Parliament's power to amend the Constitution beyond its core identity.
Kesavananda Bharati (1973) established that certain features cannot be destroyed by amendment.
Explain this highlight
How to try the workflow
Create a free account, upload one PDF and one notes page, then open Tutor on the document or at /study-ai with library scope. Ask a question you already know the answer to — check that the citation points at your file.
For a product walkthrough of the intent page, see /features/notes-pdfs-ask-llm. Comparisons to NotebookLM, ChatPDF, and Notion AI are linked from the blog index.
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