Viewing and reading PDFs is a basic task every PDF software does. However, there are some tricks that can remarkably improve your reading experience with PDF files.

Here, at Readdle, we conduct hundreds of interviews with our customers and spend thousands of hours analyzing how people work with documents. Consequently, years of expertise turned into our PDF Expert, the best PDF reader for iPhone (iOS).

Download it from the App Store now and explore its power along with us!

"Ease of use, excellent interface with my work, very friendly, terrific look and feel"

- Robert, Lawyer

PDF Expert provides a convenient, easy way to review and read PDF documents. The table below lists all of the actions you can perform while reading PDFs in PDF Expert:


Open PDF Expert and tap on any PDF file in Documents tab. Or if you received an email with a PDF attachment, you can open it with PDF Expert directly from your email.

1. Zoom

2. Crop

Tap and select Crop mode toggle. PDF Expert will analyse the document and hide the margins.

3. Go to the next or previous page

4. Go to a certain page

5. Search

Tap and type the word or phrase you are looking for. The list of results is presented from the current page. Tap on any item in the list to navigate to the appropriate place on the PDF.

Note: To get access to all search results on the page tap on the page number. If you need to hide the list of search results simply tap .

6. Adjust reading mode

Tap and set up the Brightness level. You can also select Day, Night and Sepia mode for reading. In the Night mode, the colors of the document will be inverted.

7. Manage bookmarks

Tap and select the Bookmarks tab to review the list of bookmarks and navigate to one of them. You can also add a new bookmark by tapping '+' on the current page. Tap Edit to rename or remove a bookmark.

8. Navigate by Outlines

Tap and select the Outlines tab to review and navigate through the table of contents. To expand the chapter tap the arrow icon.

9. Review annotations

You can review the list of all annotations and navigate to the corresponding pages by tapping and selecting the Annotations tab.

Despite being the most feature-rich PDF reader out there, PDF Expert still has a clean, polished interface. Nothing disturbs you when you are viewing an annual report or reading a book.

We truly hope that you will enjoy it!

Download PDF Expert now from the App Store.

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