.
Adobe Acrobat

PDF Summary generator

Get fast, concise summaries of any PDF for free with Acrobat’s secure AI Assistant.

Free to use, no sign-up to try.

No credit card or subscription needed.

or drag and drop here

PDF, DOCX, PPTX, TXT, or RTF file

How to summarise a PDF with AI?

Looking to summarise your PDFs? Adobe Acrobat’s AI summary generator helps you quickly extract key insights from large documents, PDFs, reports, research papers, invoices and more. AI Assistant delivers accurate, customisable summaries — fast.

Follow these steps to generate a short summary of lengthy text documents using our PDF summariser:

  1. Drag and drop your file or upload it from your device.
  2. Review the generated summary, then use the “Chat with PDF” feature to ask specific questions, explore sections in more detail, or request a different summary format.
  3. Copy the summary and use it wherever you need.

Sample prompts to try with our AI Summariser.

Prompts guide the AI to help you complete tasks faster. Try one of the prompts below or explore our full list of prompts. Click to copy, then select a file and paste the prompt to get started.

AI AssistantAsk

Executive summary

Summarise this presentation so my manager can read it in less than a minute.
Copy
AI AssistantAsk

Action items

What are the key action items for the attendees of this presentation?
Copy
AI AssistantAsk

Sum it up

Summarise this document in 3 sentences.
Copy
AI AssistantAsk

Contract terms

Summarise the payment terms outlined in this contract.
Copy

Over 110M* summaries generated!

Join millions of users who have successfully generated summaries of their PDFs using Acrobat.
*Over an 18-22 month period.

More ways to work with PDFs

Try our online tools to convert, compress, and merge PDF files - Acrobat can do it all.

Rate your experience

Rate your experience
4.4/5-10votes

Questions about the text summariser tool? We have answers.

Try our AI PDF summariser tool for free

A PDF and lightbulb highlight concise PDF summaries

Get concise summaries fast

Upload your document to generate a short summary in seconds. Adobe’s AI PDF summariser helps you save time and quickly understand the most important points.

An Acrobat PDF with a measurement bar showing you can easily adjust summary length

Adjust summary length and format

Shorten or expand your summary to suit your needs. Choose bullet points or paragraph formats for easier reading, sharing, and reuse.

A clock representing fast PDF AI summaries

Ask questions and explore insights

Review the AI-generated summary, then select a suggested question or ask follow-up questions to deepen understanding and improve readability.

An icon of a document with quotation mark and highlighted text representing how you can easily find the source in your original text

Trace answers back to linked sources

AI-generated summaries include numbered citations so you can verify information easily. Select a citation to see the source highlighted in your document.

A magnifying showing how you can use AI to analyse your document

Summarise scanned PDFs with OCR

Understand image-based and scanned PDFs using built-in OCR, allowing text content to be analysed and summarised accurately.

A PDF icon representing that Acrobat has the best PDF AI tools

PDF AI you can trust

As the inventor of the PDF file format, Adobe delivers AI technology built with security in mind, so you can use our online summary tool confidently.

Whether you’re a professional, a student, or a creative, Acrobat AI Assistant can revolutionise the way you work.

photo of professional woman

For professionals

Reports made easy. Summarise key points and extract critical data, saving hours of manual analysis.

photo of university student

For students

Study smarter, not harder. Reduce reading time and quickly identify key information for effective exam preparation.

photo of business owner

For business

Generating trusted summaries. Get high-quality insights to create exceptional business content, ensuring your messaging is both accurate and impactful.

a text bubble, pencil icon and a stacked PDF icon representing free online Acrobat tools

Use Acrobat tools for free

  • Sign in to try 25+ tools, like convert or compress
  • Add comments, fill in forms and sign PDFs for free
  • Store your files online to access from any device

Try these Acrobat online tools