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Built-in support for 26 standard PDF annotation types. For example, users can take notes, make comments, highlight, add shapes, apply freehand ink drawings. Or create your own custom annotations.
Preserve the original document by keeping dynamic annotations & discussions in an external XFDF file — a standards-compliant format for annotation interchange.
Let users annotate & exchange messages in real-time across devices and platforms. Create security rules to limit who can view, edit, or comment on annotations.
Support countless use cases by dynamically generating the XFDF file from a database. Track changes in an audit trail. Merge or separate annotations. Add approval logic. Support offline annotation. And more.
Ensure a trustworthy representation of annotations across all devices and browsers with built-in support for 'Appearance Streams'.
Embed slick & ready-to-use annotation tools & widgets. Or, create unique annotation experiences with the power & flexibility of complete source code customization. No limits!
Get unlimited trial usage of PDFTron SDK to bring accurate, reliable, and fast document processing capabilities to any application or workflow.
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