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How to add PDF annotations on Mobile?

Annotate PDFs on Mobile with the Cluing App

Written by Gordana Laskovic

Making notes and highlighting key parts of your PDFs is super easy and intuitive even on mobile.

Here are the quick steps:

Open Cluing

  • Download the Cluing app - available for iOS and Android.

Go to Reader

  • Tap the Reader icon in the bottom navigation bar. This is where all your uploaded PDFs appear.

Open a PDF and choose one of the options:

  • Upload a PDF from your device, or

  • Paste a link to a public PDF

How to Create Snippets on a PDF

  • Highlight any text on the PDF

  • A highlighter button will appear next to your highlighted selection

From there, you can:

  • Choose a Topic and a Cluster where you want to save the snippet

  • Add a comment, tag, or mention someone

  • Confirm and save, all in a few clicks

🤖 AI Highlighter Suggestions
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When you highlight text and click "Save", you’ll see AI-powered suggestions for: Topic (Cluster) Title, Tags

These suggestions are based on your previous research activity, making it faster and easier to categorize what you save.

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