Sixty slides in ten minutes
PowerPoint summarizer
Upload a deck and read a summary that keeps every fact and drops the filler. About 30 seconds, free, no account.
Drop your slides here or click to choose
PowerPoint (.pptx) or PDF · up to 20 MB · 80 slides
or paste a link
Free · no account · 3 decks a day · files are never stored
A summary is the fastest way through a deck you have to know but do not have to memorise yet: a long lecture, a training deck from work, a conference talk, a chapter review before class. Nuutli condenses each slide to what it actually says, in full sentences, and groups slides that cover one idea under one heading instead of repeating the deck's structure. The filler goes (agenda slides, section dividers, thank-you slides); the numbers, names and definitions stay exactly as written. Speaker notes are folded into the topic they explain. The result reads in a fraction of the time the slides take, downloads as Word or Markdown, and comes back in the language of the deck.
Quick facts
What you get, in one list
- Price
- Free. 3 decks a day, no account, no card.
- Sign-up
- None. Upload and read the notes.
- Works on
- Any browser: Mac, Windows, Chromebook, iPad, phone.
- Input
- PowerPoint (.pptx), PDF, or a Google Slides share link. Speaker notes are read too.
- Output
- Word (.docx), Markdown, PDF via print, or copy to clipboard.
- Limits
- Up to 80 slides and 20 MB per deck on the free tier.
- Time
- About 30 seconds for a typical lecture.
- Privacy
- Files are processed in memory and never stored. Nothing is used for training.
- Languages
- Notes come back in the language of the slides: English, Spanish, French, German, Arabic and more.
Real example
A 40-slide marketing training deck, summarised
Three of the forty slides and their summary. The agenda and section-divider slides were dropped; the figures were kept.
Slides in
- Slide 12: Customer acquisition cost
- - CAC = total sales and marketing spend / new customers acquired
- - Q3: $184,000 spend, 920 new customers -> CAC $200
- - Benchmark for SaaS: CAC payback under 12 months
- Slide 13: Lifetime value
- - LTV = average revenue per customer x gross margin x average lifetime
- - Our LTV: $45/month x 80% x 30 months = $1,080
- Slide 14: The ratio that matters
- - LTV:CAC = 1,080 / 200 = 5.4
- - Healthy range 3 to 5; above 5 may mean under-investing in growth
Notes out
Customer acquisition cost
- Customer acquisition cost (CAC) is total sales and marketing spend divided by the number of new customers acquired. In Q3 the company spent $184,000 and acquired 920 customers, a CAC of $200. The SaaS benchmark is a CAC payback period under 12 months.
Lifetime value
- Lifetime value (LTV) is average revenue per customer multiplied by gross margin and average customer lifetime. For this company: $45 per month x 80% x 30 months = $1,080.
The LTV to CAC ratio
- LTV:CAC is 1,080 / 200 = 5.4. The healthy range is 3 to 5; a ratio above 5 may mean the company is under-investing in growth.
How it works
Summarize my deck in three steps
- 1
Upload the deck
PPTX, PDF or a Google Slides link, up to 80 slides and 20 MB.
- 2
Choose Summary
Preselected here. Switch to Outline if you want the deck's structure kept slide by slide instead of condensed.
- 3
Read in minutes
The summary appears on the page. Download Word or Markdown, or copy it into your notes app.
Summary, outline, or bullet notes?
Three styles look similar and do different jobs. A summary rewrites the deck in full sentences and merges slides that belong together; it is the fastest to read and the right choice for understanding. An outline keeps the deck's own structure as nested bullets; it is the right choice when you need to find things later or follow along in class. Bullet notes sit between them: short lines, grouped by topic, good for revising. If you are not sure, start with the summary; it is the one most people mean when they say they want the slides summarised.
A summarizer should never add. The point of reading a summary instead of the deck is trusting that it says what the deck said. Nuutli keeps every figure, date, name and definition exactly as the slides wrote them, and when a slide is vague it stays close to the wording rather than filling the gap.
- Work decks with heavy charts summarise as well as the chart titles and captions allow; the numbers inside an image cannot be read.
- For a very long deck, split it in two; each half summarises in 30 seconds and nothing is shortened.
- The summary of a non-English deck comes back in that language.
In short
To summarize a PowerPoint, upload the .pptx, PDF or Google Slides link to Nuutli and choose Summary. Each slide is condensed to its point in full sentences, related slides are grouped under one heading, filler slides are dropped, and every number and term is kept exactly. About 30 seconds, free, no sign-up, Word download.
Last reviewed November 3, 2026 by the Nuutli team.
Frequently asked questions
How do I summarize a PowerPoint?+
Upload the .pptx (or a PDF or Google Slides link) to Nuutli, choose Summary and click Summarize my deck. Each slide is condensed to its point and grouped by topic in about 30 seconds, ready to download as Word.
Does the summary keep the numbers and names?+
Yes. Every figure, date, name and definition is kept exactly as the slides wrote it. The summary condenses the wording, not the facts.
What is the difference between summary and outline?+
A summary rewrites the content in full sentences and merges related slides. An outline keeps the deck's own slide-by-slide structure as nested bullets. Choose summary to understand, outline to navigate.
Can it summarize a work presentation, not just lectures?+
Yes. Training decks, sales decks, conference talks and board packs summarise the same way. The reader is the same; only the subject changes.
How long can the deck be?+
Up to 80 slides and 20 MB on the free tier. Longer decks should be split in two.
Is the PowerPoint summarizer free?+
Yes. Three decks a day, no account, with Word and Markdown download.
Turn your next lecture into notes
Upload the slides and read the notes in about 30 seconds. Free, no account, the file is never stored.