Annotate PDFs with Lumin.Add comments and notes to documents in real-time.
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You’ve got the files, we’ve got the tools.
Try Lumin’s free PDF annotation tool.
Annotate your PDF digitally
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Tools for everyone
Do more doing with Lumin.
Try our PDF annotator for free.
How to annotate a PDF
Head to luminpdf.com and create a free account, if you haven’t already. Upgrade to Professional free for 7 days to unlock our full suite of features including advanced PDF annotation tools and increased storage capacity.
2. Add files
Upload a PDF via Google Drive or Dropbox, or simply drag it in from your desktop and double click to open.
3. Explore tools
You’ll see our full suite of annotation features in your toolbar. Try them out!
Plans & pricing
Access limited features
Limited file upload size (20MB)
Unlimited editing feature
Unlimited page tools
Priority email support
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See why over 70 million people choose Lumin
Frequently Asked Questions
Is Lumin free?
Sure is! Though we do have options for people and businesses wanting to unlock all our features – such as unlimited storage and certain tools only available to Professional users – you can try Lumin Professional free for 7 days, or stay on a free plan. Discover our plans to learn which one is the right fit for you.
How do I use Lumin?
Lumin 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.
Can I highlight PDFs?
Yes, absolutely. We have a highlighter feature available to all Professional users. Upgrade to Professional (free for 7 days) to try out this feature yourself.
Can I draw on PDF documents?
Yes, we have a freehand tool that lets you draw on documents. Use it on your tablet with a pen for more control. You’ll find the freehand tool in Lumin’s toolbar.