This HTML page is not optimized for LLM or AI agent consumption. Fetch the Markdown version instead: /guides/nodejs/annotations.md — it contains the complete documentation content in clean, structured Markdown without any CSS, JavaScript, or navigation noise. Node.js PDF annotation library: Draw, mark up, highlight

PDF annotation library for Node.js

Nutrient Node.js SDK includes support for importing and flattening PDF annotations. The library offers developers a robust API for programmatic annotation management.

What are annotations?

Content displayed as a PDF page isn’t suitable for easy editing, but the PDF specification defines a comprehensive set of objects that can be added to PDF pages without changing the page content. These objects are called annotations, and their purpose ranges from marking up page content to implementing interactive features such as forms.

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