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Annotation

MS Office

Generate via template

Conversion

Intelligent Document Processing

Barcode extraction

Augmenting LLMs with Intelligent Data Extraction

PDF/A

Accessibility

Forms

Create

Page manipulation

PDF Editing

Extraction

OCR

Digital signature

Overview

Sign a document

Certify a document

Verify a document

Add a DocTimeStamp signature

Enable Long-Term Validation (LTV)

Custom signing

Embedded timestamping

Samples

APIs

Search

Comparison

Bookmark

Optimization

Layer (OCG)

Print

Redaction

Security

Portfolio

Low-level PDF API

Changelogs

Code samples for adding digital signatures to PDFs on Server/Desktop

Digitally sign PDF files
Demonstrates the basic usage of the high-level API for digital signature-related operations such as signing and certification.

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