PDF annotation library

Comment, highlight, and annotate

The PDF Viewer SDK enables direct collaboration on PDF documents, streamlining workflows and reducing process steps. Improve teamwork and accelerate project completion with document annotations, comments, and stamping functionality.

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Use cases

Rich text annotations

Create and edit free text annotations to enhance your documents with various text formatting options such as bold, italic, underline, and strikethrough. PDF Tools also supports color customization, helping you highlight key details effectively.

Sticky notes

Add comments and context to specific sections of your documents with sticky notes or popups. These annotations support detailed collaboration and are associated with text markup or other annotation types for added clarity.

Text markup

Easily apply highlights, underlines, strikeouts, or squiggly annotations to draw attention to specific text areas. These features are invaluable for editing workflows and are designed to meet the demands of collaborative review processes.

Stamping

Include custom stamps in your PDFs. Support approval processes and branding needs, helping maintain professional and recognizable documents.

Shapes and drawing

Enhance visual communication with shape-based annotations such as ellipses, rectangles, lines, polygons, and polylines. Use ink annotations for freehand drawings. Ideal for brainstorming and visually emphasizing document elements.

PDF Viewer SDK overview

Watch our video for a detailed overview of the PDF Viewer SDK, showcasing its use cases, and how it can enhance your document viewing and collaboration workflows.

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PDF Viewer SDK

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Built for precision – trusted globally

From seamless document viewing to interactive collaboration, the PDF Viewer SDK delivers performance and quality to elevate your workflows and drive your business forward.

Integrate with confidence

Easily integrate the PDF Viewer SDK into your applications with flexible deployment options and comprehensive documentation, ensuring a hassle-free setup process.

Deliver precise results

Achieve compliance and produce high-quality output with solutions designed to meet your business requirements.

Scale operations reliably

Support high-volume viewing and interaction demands with a robust SDK built for performance and scalability, ensuring smooth and reliable functionality at any scale.