AI PDF Summarizer
Use AI to summarize your PDF file online, in seconds. Drop your PDF file below, select summarize and view summary. Easily summarize PDF files online for free.
or drop your file
You're in good company
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.
One platform for all your PDF tools
Bring work to life with our comprehensive suite of PDF editing tools. Share, edit and comment on documents in the cloud.
Edit PDF text
Edit PDF text directly without converting your document
eSign a PDF
Create a unique eSignature for quick signing
Fillable forms
Build fillable forms to make paperwork easy
Merge PDF files
Combine multiple documents to create a single PDF
Collaborate live
Share feedback, action items and edit documents in real-time
Mark-up PDFs
Draw, add shapes, text, highlights, images and more
Convert to PDF
Convert your Word, Excel, JPG or PPT files into PDFs
Unlock a PDF
Gain access to password protected files in just a few clicks
Split PDF files
Split and extract information into multiple PDF files
PDF Reader
Open PDF documents on your browser, desktop, mobile or tablet
Search scanned text
Make scanned text readable and searchable with OCR
Google Workspace
Lumin integrates with Google: use it from Drive, Classroom and Gmail
Compress a PDF
Reduce the size of your file for easy sending
Template discovery
Find, fill and sign 5,000+ free online forms and templates
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.
Featured articles
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• Sep 29, 2024
Meet your wingman: AI summarization
Long days spent navigating long documents is an eye-shrivelling endeavour. What if you had a wingman backing you up every step of the way?
Read more Meet your wingman: AI summarization
Article
• Apr 12, 2023
Lumin vs Adobe
We get it, you just want to edit a PDF. How different can two PDF editors be? You’d be surprised.
Read more Lumin vs Adobe
Culture
• 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!
Read more Celebrating 100 million users
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.
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 our products
Lumin
An easy-to-use PDF editor that stands alone or integrates with Google Workspace.
Lumin Sign
A digital signature workflow tool that seals deals with legally-compliant signatures.
Lumin Sign API
An eSignature API made to be plugged into your platform with minimal effort.
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.
Learn more