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PDF.js Express Free Viewerplay_arrow

Professional PDF.js Viewing - Free

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Professional PDF.js Viewing & Annotations - Try for free

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Common use cases

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Open a document

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Save a document

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Viewer

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UI Customization

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Annotations

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Collaboration

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Forms

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Signature

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Measurement

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Compare

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Advanced Capabilities

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PDF.js Express REST API

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Migration Guides

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Annotation samples for PDF.js Express

The following features are available in:

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PDF.js Express Viewer

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PDF.js Express Viewer is a free viewer with limited capabilities compared to PDF.js Express Plus

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PDF.js Express Plus

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PDF.js Express Plus is a commercial PDF SDK for viewing, annotating, signing, form filling and more

Save annotations to database
Shows how to save annotations to firebase on your server.

View Source CodeLaunch demo

Users and permissions
Describes types of permissions and switching between users. You can also show/hide annotations of specific users.

JS source codeLaunch demo

Custom annotations
Shows how to create and add custom annotations by extending the existing annotation classes.

View samplesLaunch demo