PDF Summarizer
Cut through long digital documents with AI that can summarize PDF files. Spend your time on the insights, not the reading.
Supports PDF
Size up to 100 MB
How to summarize a PDF document
Upload your PDF file
Drag & drop your PDF, or pick it from your device.
Wait a few seconds
Our AI summarizer will extract key points for you.
Get your summary
Copy or download your summarized text.
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Compress file size to 100KB keeping text and visuals clear.
Why choose our free AI PDF summarizer
Quick summaries
Quickly summarize long PDFs and get key insights in under 30 seconds — ideal for research, reports, and study notes.
Meaning preserved
We preserve the meaning of your PDF content, so the summary reflects what the original file actually says.
Well-structured text
Get your summary in clean, organized paragraphs that are easy to scan, quote, or share with colleagues.
Intuitive workflow
We removed everything that slows you down, so all it takes is one upload and one click to get your summary.
Flexible use cases
From academic papers to business reports to scanned book chapters, the tool delivers clear summaries no matter the source.
Secure processing
We protect your images at every step of the process with reliable, trusted security practices.
Summarize PDFs free of charge
Frequently asked questions
How long does it take to summarize a PDF?
In most cases, our online PDF summarizer can process your document in under 30 seconds. Longer or more complex files may take slightly more time, but results typically arrive within a minute.
What file formats can OnlyDoc's PDF Summarizer handle?
Our online solution works with standard PDF files, including documents converted from lecture slides, articles, book chapters, and more. The AI analyzes your PDF content and delivers a summary you can use for notes, references, or any other purpose.
Can I export or copy the PDF summary?
Of course! Once generated, the concise summary is yours to keep. Hit copy to grab the text or download the file. Then, use AI summaries for notes, chat references, research, or sharing with your team.
Is my data safe when using the PDF summary tool?
Use our PDF document summarizer with confidence. Files are encrypted from the moment you upload them, protected on our servers during processing, and handled in compliance with GDPR. Also, Google Safe Browsing confirms that OnlyDoc is safe to use.
Does the AI PDF summarizer work on mobile devices?
Absolutely! You can use our online summarizer on Mac, iPhone, Windows PCs, or Android devices. The interface adapts smoothly to your screen.
Who is the PDF summarizer best suited for?
OnlyDoc is a leading PDF summarizer for professionals in research, legal, education, and business who need quick, accurate summaries without manual reading.
Can I use your AI PDF summarizer free of charge?
Yes. OnlyDoc is a free online tool that works right in your browser. You don't need to subscribe to our platform. Just upload your PDF and get your summary. We're constantly improving to make this the best PDF summarizer tool for tackling your workload.
Can I create a mind map from my PDF summary?
Yes. Once you have your summary, you can use follow-up prompts to ask the AI to turn it into a mind map, outline, or any other format that fits your workflow.