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Viewer

Basic operations

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Annotation

Overview

Import annotations

Export annotations

Style properties

Add sticky note

Add link annotation

Add stamp annotation

Add highlight annotation

Add free text annotation

Add rectangle annotation

Remove annotation

Flatten annotations

Samples

APIs

MS Office

Generate via template

Conversion

Intelligent data extraction

Barcode extraction

Augmenting LLMs with Intelligent Data Extraction

PDF/A

PDF/UA

Forms

Create

Page manipulation

Editing page content

Extraction

OCR

Digital signature

Comparison

Bookmark

Optimization

Layer (OCG)

Redaction

Security

Portfolio

Low-level PDF API

Changelogs

Code samples to add annotations to PDFs on Server/Desktop

Add or edit PDF annotations
Shows how to add or edit PDF annotations (e.g. hyperlink, intra-document link, stamp, rubber stamp, file attachment, sound, text, free-text, line, circle, square, polygon, polyline, highlight, squiggly, caret, and ink). Samples available in Python, C# (.Net), C++, Go, Java, Node.js (JavaScript), PHP, Ruby, VB.

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