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Overview

1. Integrate

2. View a document

3. Customize

Frameworks

Xamarin

React Native

Overview

Integrate

View a document

Add an API

API

Flutter

Overview

Integrate

View a document

Add an API

API

Download

Samples

Package samples

Basic operations

Overview

Open a document

Save a document

Lock a document

Samples

APIs

Learn more

System requirements

Add a license key

Update to latest version

Dynamic vs static lib

Reduce the lib size

UI icons

File format support

Viewer

Overview

Migration

DocumentController Overview

Viewer Settings

View mode

Scroll direction

Themes

Stream PDF

Coordinates

Localization

Keyboard shortcuts

Samples

APIs

UI Customization

Overview

UI components

Tool info

Tool hierarchy

Config tools

Custom tool

Custom view

Thumbnail slider

List container

Samples

APIs

Annotation

Collaboration

Overview

Connect to server

Custom server

Samples

APIs

MS Office

Overview

Convert MS Office to PDF

Convert PDF to MS Office

Samples

APIs

Conversion

Overview

Web/HTML to PDF

MS Office to PDF

Convert to PDF

PDF to MS Office

Convert from PDF

Samples

APIs

PDF/A

Overview

Convert PDF to PDF/A

Validate PDF/A

Samples

APIs

Forms

Overview

Form builder

WebViewer 11

WebViewer 8

WebViewer 7

Import form data into PDF

Export form data from PDF

Create form fields

Fill form fields

Form flatten

APIs

Samples

Generate

Overview

Template generation

Create a blank PDF

Create a thumbnail

Samples

APIs

Page manipulation

Overview

View thumbnails

Create a page

Create a thumbnail

Insert pages

Remove pages

Rotate pages

Crop pages

Reorder pages

Split pages

Samples

APIs

Editing page content

Overview

Stamp content

Remove content

Read content

Write content

Replace content

Graphics state

Samples

APIs

Extraction

Overview

Text extraction

Image extraction

Embedded fonts

Samples

APIs

Digital signature

Overview

Digital Signature Validation

Sign a document

Certify a document

Verify a document

Samples

APIs

Overview

Text search

Search & replace

Samples

APIs

Bookmarks

Overview

Outline tree

User bookmarks

Add bookmark

Edit bookmark

Remove bookmark

Samples

APIs

Compare files

Overview

Overlay

Samples

APIs

Optimization

Overview

Optimize

Flatten

Viewer optimized

Samples

APIs

Layers (OCGs)

Overview

Show/hide layers

Add layer

Extract layer

Samples

APIs

Measurement

Overview

Create

Samples

APIs

Overview

Print a document

Samples

APIs

Redaction

Overview

Redact

Samples

APIs

Security

Overview

Encrypt

Decrypt

Apryse Custom Security Handler

Samples

APIs

Portfolios

Overview

Create a package

Samples

APIs

Low-level PDF API

Overview

Info dictionary

PDF format

SDF/COS object model

Filters and streams

Samples

APIs

Changelogs

Version 10

Latest

10.12.0

10.11.0

10.9.0

10.8.0

10.7.0

10.6.0

10.5.0

10.4.0

10.3.0

10.2.0

10.1.0

10.0.0

Version 9

9.5.0

9.4.1.80691

9.4.0.80508

9.3.1.80205

9.3.0.80119

9.2.3.79578

9.2.2.79502

9.2.1.79382

9.2.0.79330

9.1.2.78725

9.1.1.78660

9.1.0.78529

9.0.2.77879

9.0.2.77876

9.0.1.77780

9.0.0.77669

Version 8

8.1.2.76990

8.1.1.76927

8.1.0.76833

8.0.1.76614

8.0.1.76533

8.0.0.76337

8.0.0.76251

Version 7

7.1.4.75435

7.1.4.75416

7.1.3.75164

7.1.3.75110

7.1.2.74821

7.1.1.74545

7.1.0.74382

7.1.0.74186

7.0.5.73943

7.0.4.73314

7.0.3.72960

7.0.2.72700

7.0.1.72288

7.0.0.71974

Version 6

Version 5

v5.9.2.18394

v5.9.1.16519

v5.8.2.15317

v5.8.1.14856

v5.8.1.14357

v5.8.1.14225

v5-8-1 (2012.04.04)

Code samples for adding digital signatures to PDFs on iOS

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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