● EPUB Summarizer

Turn any ebook into chapter-by-chapter notes

Upload an EPUB and get clear chapter summaries, key takeaways, flashcards, and a quiz — powered by AI. Review a whole book in minutes.

Try it free Sign in

No credit card required · 15 free credits/month

ChaptersSummarized one by one

4 assetsPer book

40+Supported languages

100%Free to start

Live output preview

Exactly what you'll get

A real chapter summary generated by Notelify — the same format you'll see in your workspace.

ChaptersFlashcardsQuizKey TakeawaysSource

CHAPTER SUMMARY

Thinking, Fast and Slow — Chapter 1

The opening chapter introduces the book's central metaphor: two modes of thought. System 1 operates automatically and quickly with little effort; System 2 allocates attention to effortful mental activities. Most errors in judgement trace back to how these two systems interact.

System 1 vs System 2

System 1 is fast, intuitive, and emotional — it runs constantly and without conscious control.
System 2 is slow, deliberate, and logical — but it is lazy and defers to System 1 when it can.
The "characters" framing is a device: there are no two literal systems, but the model predicts behaviour well.

Why It Matters

System 1 generates impressions and feelings that become the source of System 2's explicit beliefs.
Cognitive biases arise when System 1 supplies a quick answer and System 2 fails to check it.
Recognising the situations where errors are likely is more useful than trying to think slowly all the time.

Key Takeaway

We identify with System 2 — the conscious, reasoning self — but System 1 effortlessly originates most of what we think and do.
The book's goal: improve the ability to recognise and avoid predictable errors of judgement.

See your full workspace

Everything included

One ebook. The whole book, distilled.

Every ebook you upload becomes a structured study workspace — not a single block of text.

Chapter-by-Chapter Notes

Each chapter distilled into key ideas and takeaways — so you can review a whole book in one sitting.

Key Takeaways

The arguments, frameworks, and conclusions that actually matter — pulled out and explained clearly.

Flashcards

Turn the concepts of any non-fiction book into a deck so the ideas actually stick.

Comprehension Quiz

Test whether you truly absorbed the book with auto-generated questions and explanations.

How it works

From ebook to notes in three steps

Upload your EPUB

Drop in any EPUB ebook — non-fiction, textbooks, business books, or study material.

AI reads the whole book

The ebook is parsed chapter by chapter, and AI extracts the structure and key arguments in context.

Get your study workspace

Chapter summaries, flashcards, and a quiz appear together. Export the whole thing to PDF.

Who it's for

Built for anyone with a reading list

📚

Avid readers

Capture the key ideas of every book you read — and actually remember them.

🎓

Students

Review set texts and non-fiction reading lists without re-reading every page.

💼

Professionals

Get the frameworks from business and self-development books in minutes.

✍️

Writers & researchers

Build reading notes and citations from ebooks fast.

Works in 40+ languages

Notelify auto-detects the ebook's language and generates summaries in the same language — or translates them to English with one click.

FAQ

Common questions

What ebook formats are supported?

Notelify supports EPUB ebooks directly. You can also upload books as PDFs. EPUB support is available on the Premium plan, which is built for longer-form book content.

Can it summarize a whole book, not just one chapter?

Yes. Notelify processes the entire ebook and produces chapter-by-chapter summaries plus an overall set of key takeaways — so you get both the detail and the big picture.

Does it work on textbooks and dense non-fiction?

Yes. The summaries preserve the structure of arguments and frameworks rather than flattening them, which makes it well suited to textbooks and idea-heavy non-fiction.

Is the summary accurate?

Summaries are grounded in the actual text of the ebook — the AI works from what the book says, not from outside sources. The content stays in your workspace so you can verify any point.

Can I export the summary?

Yes — every plan includes PDF export. Download chapter notes, flashcards, or the quiz as a clean, formatted PDF.

Read the whole book in minutes.

Upload your next ebook and get chapter summaries, flashcards, and a quiz — ready to review or revise.

Summarize an ebook now

Free plan · No credit card · Cancel anytime