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4.8/5 average 167 ratings

Summarize any YouTube lecture
in seconds

Paste a recorded class or guest lecture. Get clear study notes.

Free • No signup required
How Gistilo turns a YouTube link into a clear summary

Start with the key concepts, then revisit the lecture if you need more detail.

Turn YouTube lectures into structured study notes you can review anytime.

Works with university lectures, guest lectures, recorded classes, and academic presentations.

Gistilo vs. basic AI summarizers

Basic AI summarizers
Gistilo
Structure
Basic AI summarizersA wall of text, or 40 flat bullets.
GistiloExecutive summary, labeled sections, key claims, highlights.
Accuracy
Basic AI summarizersHallucinate on long transcripts.
GistiloBuilt to preserve important details.
Video length
Basic AI summarizersCap out around 2 hours.
GistiloUp to 5 hours per video.
Fact-checking
Basic AI summarizersClaims go unchecked.
GistiloKey claims checked against sources, with links.Pro
Sponsor segments
Basic AI summarizersInclude sponsor segments.
GistiloSkips sponsored segments.
PDF export
Basic AI summarizersA raw text dump.
GistiloClean PDFs, ready to share or print.

Create lecture notes in three steps

Quick Demo
  1. Paste a YouTube link
  2. Choose a summary type
  3. Revision notes for exams

Compare quick review and detailed summary formats

Thumbnail for Intro to Aristotle's Ethics | Lecture 1: The Good
Intro to Aristotle's Ethics | Lecture 1: The Good
7 Key Insights
23m

Ethics as the study of character: The speaker defines ethics as the study o… The significance of choice: Choice is highlighted as a crucial element in c...

Thumbnail for 2. Chemical Bonding and Molecular Interactions; Lipids and Membranes
2. Chemical Bonding and Molecular Interactions; Lipids and Membranes
Detailed Summary
49m

Premise This lecture introduces key concepts in chemical bonding and molecu… The speaker aims to explain the significance of these molecules in biologic...

Thumbnail for 2. Chemical Bonding and Molecular Interactions; Lipids and Membranes
Verifies key claims and links sources.
Fact-check (Optional)
49m

Non-covalent bond energies range from 1 to 10 kilocalories per mole. — Supp… Covalent bond energies range from 90 to 100 kilocalories per mole. — Refuted...

Try it on your own video

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Rated 4.8/5 on average (167 ratings)

Study support for busy learners

Photo of Zahra N.
45-minute lectures summarized in seconds
I get the key points before my coffee is ready. No more constant pausing and rewinding to take notes.
Zahra N., Grad Student
Photo of Kasra T.
Exam prep, zero rambling
Instead of zoning out, I stick to the 7 main points. It is easier to review and actually remember.
Kasra T., University Student
Photo of Anna R.
Not a wall of text
The layout is easy to scan. I can grab the key takeaways without digging through a giant block of text.
Anna R., Marketing Consultant

FAQ

Yes. Gistilo works well with university lectures, guest lectures, recorded classes, seminars, and academic presentations.

Detailed Summary organizes the lecture into clear sections, while 7 Key Insights isolates the most important takeaways for quick review.

Yes. Summaries are useful for refreshing concepts and reviewing the structure of a lecture before an exam.

Pro supports individual lecture videos up to 5 hours long.

Based on video duration, rounded up. Example: 7:30 uses 8 minutes.

Free supports videos up to 90 minutes each. Pro supports videos up to 5 hours each.

Included hours reset each billing cycle. If you run out, you can purchase an optional top-up pack.

Included hours reset monthly. Pro top-ups roll over while Pro is active.

Optional on Pro. We verify key claims and include sources you can review. If we cannot verify something, we clearly label it.

No. We store summaries and minimal metadata. You can delete history anytime.

Turn Your Next Lecture Into Notes

Paste a lecture link and get a concise review you can use before class, after class, or before an exam.
Free • No signup required