About Us PDF Expert

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.

All the PDF tools you need.
Done right

Explore the most powerful PDF tools ready for action. Try them out today!

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.

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.

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.

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.

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.

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

Unique Reading ModeOur 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 searchFind things instantly with search indexing. Save relevant discoveries into search history or bookmarks to make them more convenient to recall.

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.

Customize.
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.