The go-to PDF editor for iPhone, iPad and Mac

We make it easy to edit, annotate,
sign and organize PDFs.

4.7 • 173,7K ratings
The go-to PDF editor <span>for iPhone, iPad and Mac</span>

We make PDF easy

PDF Expert is uniquely fast, reliable and easy to use. We packed powerful features into a well-designed and intuitive interface. Effortlessly breeze through any task.

PDF editing. Supercharged

Edit PDF text, images, and more

Get the most advanced PDF editing capabilities ever created on Apple devices. Elevate the way you edit PDF text, images, links, signatures, pages, and files.

Modify text

Add links


Change images

Sign documents

Send and sign contracts in a few taps with a personal, electronic signature. Collect customer signatures with a special feature on iPhone and iPad.

Convert PDF to Word, Excel, PowerPoint and JPG

Fast and accurate conversion of any PDF into other most popular file formats. Anywhere. Anytime.

Fill out PDF forms

Tackle the most demanding forms with ease. Effortlessly fill out checklists with formulas and calculations, insurance or tax forms.

Merge and reorganize pages

Rearrange, extract, delete, rotate pages or merge entire PDF documents. Take advantage of the quick and easy page management tools.

Get started with
PDF Expert today

Recognize the text.
Enhance your PDFs

Use OCR to recognize the text in scanned documents. Make old PDFs look perfect with the AI-powered “Enhance” feature.

OCR text in PDF

Recognize the text, so you can search, highlight, and copy it.

Enhance scans

Fix distortions, remove shadows, and improve contrast.

Crop & split pages

Split double-page scans into separate pages and remove undesired margins.

Make PDFs look perfect

Make every PDF, every scan look beautiful and clean. A unique “Enhance” feature powered by artificial intelligence (AI) will fix distortions, remove shadows and improve contrast.

reading experience

PDF Expert makes viewing PDFs easy in any situation. Fluid scrolling and various reading modes will please your eyes, whether you’re reading a book in a dimly lit subway or taking notes in a boardroom meeting.

Easy on your eyes

Enjoy advanced reading tools. Adjust font size and brightness, choose between Day, Night or Sepia themes.

Unique Reading Mode

Our smart technology adjusts the PDF text to perfectly fit your screen, even if it was a two-column PDF. This is best way to read PDFs on iPhone.

State of art search

Find things instantly with search indexing. Save relevant discoveries into search history or bookmarks to make them more convenient to recall.

Spectacular annotations
Pure. Pro. Power.

PDF Expert
Annotation toolkit

The most advanced set of annotation tools gives you the power to do any PDF task effortlessly. Jot down or add audio notes while in a meeting or lecture. Add stamps to review documents. Make it stand out with unique stickers, highlighters, and beautiful colors.





Audio notes


Designed for Apple. Supercharged with its technology

PDF Expert is built with the latest and greatest technology innovations from Apple. We maximize the unique platform capabilities of iPhone, iPad and Mac.

Get started with
PDF Expert today

The way you like it

Arrange the most-used PDF tools to match your flow. Combine multiple pens with various colors and line thickness. Or add markup tools, constructor kit, and signatures for fast access. Do it your way.

One account for all
Apple devices

Create one account and use PDF Expert on iPhone, iPad, and Mac. It unleashes the power and unique capabilities of each platform. Read PDFs on iPhone like never before. Up your annotation game on iPad using Pencil and Magic keyboard. Use Mac for more real estate and powerful OCR.

Meet the team

Our energetic team is on a mission to ignite productivity. PDF Expert is a part of Readdle, a privately held company behind popular productivity apps such as Spark email, Scanner Pro, Documents, and Calendars. We’ve been on the App Store since day one, and 194 million people worldwide downloaded our apps. The mighty customer support team is always here to help you, and the product team is supercharging PDF Expert with continuous updates.

Press about PDF Expert

When people ask for an all-purpose PDF markup and annotation app, I tend to send them to Readdle and PDF Expert.

PDF Expert is the lightweight, powerful viewer your Mac needs.

Goodbye Preview, hello affordable PDF editing on Mac.

You’ll find value in what Readdle has developed in PDF Expert.

If you deal with a lot of PDF files, then PDF Expert is the way to go.

PDF Expert is a robust and easy-to-use solution for managing business documents.

PDF Expert is delightfully easy to use.

PDF Expert is the most Mac-like and straightforward to use of the major PDF apps.

Get started with
PDF Expert today

We make it easy to edit, annotate, sign and organize PDFs.