---
title: "iPhone PDF SDK: Library to view, annotate, and more | Nutrient"
canonical_url: "https://www.nutrient.io/guides/ios/iphone/"
md_url: "https://www.nutrient.io/guides/ios/iphone.md"
last_updated: "2026-06-09T10:24:29.154Z"
description: "Nutrient iOS SDK is an iPhone PDF SDK for viewing, annotating, editing, and creating PDFs on iPhone. It offers developers powerful Swift."
---

# 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.

## Essential guides

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

[Get started](https://www.nutrient.io/sdk/ios/getting-started.md)

---

**Open a document**

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

[Read more](https://www.nutrient.io/guides/ios/open-a-document.md)

---

**Save a document**

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

[Read more](https://www.nutrient.io/guides/ios/save-a-document.md)

---

**User interface**

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

[Read more](https://www.nutrient.io/guides/ios/user-interface.md)

## File type support

Microsoft Office file types are supported when using the optional [Document Engine](/guides/document-engine.md).

`PDF documents`

`Image documents`

`Office files`

**Call to Action**

Start your free trial for unlimited access and expert support.

[Learn More](https://www.nutrient.io/sdk/ios/getting-started.md)

---

## Related pages

- [Agent skill](/guides/ios/agent-skill.md)
- [Best practices](/guides/ios/best-practice.md)
- [Mac Catalyst PDF library](/guides/ios/catalyst.md)
- [iOS PDF bookmark SDK](/guides/ios/bookmarks.md)
- [Compare documents on iOS](/guides/ios/compare-documents.md)
- [Cordova PDF library](/guides/ios/cordova.md)
- [Contributing to Nutrient projects](/guides/ios/miscellaneous/contributing.md)
- [Discover innovative PDF SDK demos for multiple platforms](/guides/ios/demo.md)
- [Download our iOS library](/guides/ios/downloads.md)
- [iOS PDF library](/guides/ios.md)
- [visionOS buides: Integrate our PDF library](/guides/ios/intro-visionos.md)
- [iOS guides: Integrate our PDF library](/guides/ios/intro.md)
- [Ionic PDF library](/guides/ios/ionic.md)
- [iPad PDF Library](/guides/ios/ipad.md)
- [Knowledge base](/guides/ios/kb.md)
- [Swift PDF library](/guides/ios/swift.md)
- [Upgrade and migration guides](/guides/ios/upgrade.md)
- [visionOS PDF library](/guides/ios/visionos.md)
- [Xamarin.iOS PDF library](/guides/ios/xamarin.md)
- [Changelog for iOS](/guides/ios/changelog.md)