AI PDF Summarizer
Free AI-powered PDF summarizer to instantly extract key points from long documents. Fast, accurate, and effortless.
or drop your file
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How to summarize a PDF using AI
Follow these simple steps to summarise your PDFs.
- 1
Upload
Drop a PDF file into the dropzone above or click the select a file button.
- 2
Select summarise
Sign-in and select ‘summarize’ in the top navigation bar of the editor.
- 3
Use AI to get answers
A summary of your PDF will be generated for you in seconds.
Do more than just summarize PDFs
PDF editing made easy
Easily edit PDF text
No more workarounds. Use our Edit PDF text feature to directly make updates to your PDF content.
Sign documents online
Ditch the printer and eSign your PDF in seconds. Add safe and secure signatures and initials to any PDF for free.
Merge, split and extract pages
Put your PDFs in order with Lumin’s Page Tools: merge, split, crop, add, delete or rotate PDFs in seconds.
Google-integrated PDF editor
Cut time and tools by consolidating your online PDF editing process. Open documents directly into Lumin from Google Drive, Gmail or Classroom, edit them, then sync them back to your Google Drive storage.
Template Discovery
Go from discovery to done with our library of forms and templates. We’ve got what you need to tackle any task: tax forms, contract templates, health and safety checklists, onboarding forms and much more.
Browse all templatesJoin over 100 million customers
More impact, less admin. AI summarize PDFs online free.
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• Apr 12, 2023
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We get it, you just want to edit a PDF. How different can two PDF editors be? You’d be surprised.
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• Dec 2, 2024
Celebrating 100 million users
From a lightbulb moment in a Stanford dorm to 100 million users, Lumin’s journey is all about innovation, growth, and a little bit of fun along the way. Get a peek behind the scenes of how it all came together!
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Frequently asked questions
Is Lumin free?
Lots of our tools are free. You can draw on PDFs, comment on them, add text, signatures and images; all the basics are covered.
Our paid plans expand your toolkit: you can edit PDF text, redact information, create fillable fields and much more. Discover our plans to learn which one is the right fit for you.
How do I use Lumin?
The Lumin app works on your browser, or you can download our desktop app and keep Lumin handy on your computer. We’ve also got a mobile and tablet app which includes Lumin’s most popular features.
How does the PDF summarizer AI work?
Our AI PDF summarizer uses advanced artificial intelligence to analyze your document, identify key points, and create a concise summary. Simply upload your PDF, choose your preferred summary length, and let our AI create a clear, accurate summary within seconds.
Keeping your data safe and private while using our AI-powered products is our priority. Learn more about security at Lumin or read our AI ethics statement.Can I use the summarizer on mobile devices?
Yes! Our AI PDF summarizer works on all devices. Access through your mobile browser or our mobile app to summarize documents on the go.
Discover Lumin’s products
Collaborate with existing colleagues and onboard new ones with Lumin and Lumin Sign. Our innovative solutions work great on their own, but they’re even better together.
Lumin Sign
A digital signature workflow tool that seals deals with legally-compliant signatures.
Learn moreLumin Sign API
An eSignature API designed to be plugged into your platform with minimal effort.
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