Some test text!


Annotation code samples in JavaScript

linkUsers and permissions

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

linkRealtime collaboration - Node.js

An example setup with Node.js backend.

linkRealtime collaboration - Firebase

An example setup with Firebase backend. For more details, refer to realtime collaboration guide.

linkCustom annotations

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

Get the answers you need: Support


Free Trial

Get unlimited trial usage of PDFTron SDK to bring accurate, reliable, and fast document processing capabilities to any application or workflow.

Select a platform to get started with your free trial.

Unlimited usage. No email address required.

Upcoming webinar: How to add document collaboration to your app

Learn More