iPhone PDF library

Nutrient iOS SDK is an iPhone PDF SDK for viewing, annotating, editing, and creating PDFs on iPhone. It offers developers powerful Swift and Objective-C APIs for quickly adding PDF functionality to any iPhone application.

Key capabilities

Beautiful UI

Simple, easy to use, and highly customizable

Low-level APIs

In Swift or Objective-C for fine-grained control

High fidelity

Accurate, reliable PDFium-based rendering engine

Prebuilt features

Annotate, edit, sign, form fill, redact, and more

Essential guides

Learn how to quickly integrate a PDF viewing, annotating, and editing app.

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Open a document

How to open a PDF from local storage, URL, in-memory data, and more

Save a document

How to save a PDF to local storage, remote server, and more

User interface

How to customize icons, buttons, toolbars, the look and feel, and more

Discover PDF capabilities

Explore all

Viewer

How to configure the document viewer

Annotations

How to import, export, create, edit, sync, flatten, and more

Forms

How to fill form fields, extract data, submit, save, create, edit, and more

Instant synchronization

How to sync annotations across multiple users, devices, or sessions

Signatures

How to add electronic and digital signatures to PDF documents

Editor

How to merge or split documents, manipulate pages, and more

PDF generation

How to generate PDFs from a template, HTML, images, and more

Conversion

How to convert MS Office to PDF, image to PDF, PDF to image, and more

File type support

Microsoft Office file types are supported when using the optional Document Engine.

PDF documents

PDF

Image documents

PNG JPEG JPG TIFF TIF

Office files

DOC DOCX PPT PPTX XLS XLSX

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