1 GB · 1M AI tokens
Deeper library search & longer chats
What “free AI study tool” should include
At minimum: upload your own material, ask grounded questions, and practice somehow. Bonus: planner, highlights, and no credit-card wall on day one.
1 GB · 1M AI tokens
Deeper library search & longer chats
Shelf Free
Private library (100 MB), Tutor monthly tokens, practice quizzes, planner, Share Shelf, and Learn resources. Upgrade only when limits feel tight.
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
NotebookLM Free
Excellent for source notebooks and overviews. Use alongside Shelf if you still need quizzes and a durable PDF library.
Other free tiers
Many chat-with-PDF and flashcard products offer limited free daily asks. Read quotas carefully — “free” often means a few documents.
1 GB · 1M AI tokens
Deeper library search & longer chats
When to pay
Pay when you study daily on large libraries. Shelf Premium (~₹149/mo) expands storage and Tutor without buying three subscriptions.
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
Start free
Create an account at myshelflib.com — no Premium required to try chat-with-PDF and quiz. Pricing: /subscribe.