Annotate PDFs with Lumin.Add comments and notes to documents in real-time.
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Try Lumin’s free PDF annotation tool.
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Tools for everyone
Do more doing with Lumin.
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How to annotate a PDF
Plans & pricing
Access limited features
Limited file upload size (20MB)
Unlimited editing feature
Unlimited page tools
Priority email support
Jun 28, 2022
Say hello to Circles: Our greatest tool for collaboration
Remote work is old news, but finding the right tools to get things done online isn’t. Discover a better way to collaborate with Lumin.Read more Say hello to Circles: Our greatest tool for collaboration
Oct 04, 2021
Get to your documents faster with the Lumin desktop app
At Lumin, we’re always looking for new ways to streamline working and sharing. We also understand that speed is of the essence for effective project management. Armed with Lumin’s brand-new desktop app, your documents will only ever be a click away.Read more Get to your documents faster with the Lumin desktop app
Jun 02, 2022
Best file-sharing apps with offline access in 2022
We all sometimes have situations when we need to share an important file with someone but do not have WiFi or mobile data at that moment. If you face these situations often, we suggest finding file-sharing apps that work offline. This article will outline the best software and apps for offline file-sharing and their benefits so that you are able to find one that works best for you.Read more Best file-sharing apps with offline access in 2022
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.