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Professional PDF.js Viewing & Annotations - Try for free

PDF.js Annotation Library

Add powerful annotation capabilities to any PDF.js application

Try for free
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26 pre built annotations

Let your users add annotations to PDF documents using our JavaScript API. Users can create highlight annotations, shape annotations, measurement annotations, and more.

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Build your own custom annotations

Enhance your PDF.js application by creating custom annotations tailored specifically to your workflow

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Real-time collaboration support

Sync PDF.js annotations in real-time between users and devices. Control which users are allowed to add, edit and delete annotations.

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See what you can do

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Use Cases

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Easy to integrate

Integrate a PDF.js viewer and annotator into any application with minimal effort. Use our extensive guides and samples to guide you along the way

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Integrates into any framework

Seamlessly integrate a PDF.js viewer with annotations into React, Angular, Vue, or any other Javascript Framework

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Customizable

Change the style of your PDF.js viewer and annotator to match your brand and fit seamlessly into your application

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Community Support

Have a question or need help with your implementation? Get answers directly from the developers in our community based support forum

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Get started today!

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