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Using PDF Expert
- Highlight, underline, and strikethrough text
- Text comments, shapes, and pop-up notes
- Insert stamps to PDFs
- Customize text and annotation colors
- Draw on a PDF file
- Use stickers in PDF Expert for iOS
- View, search, and remove annotations
- Export Annotation Summary
- Edit text in PDF files
- Work with images in PDFs
- Work with to-page and to-web links
- Remove sensitive content
- Reading mode
- Select your way to scroll pages
- Enable the two-page view
- Zooming modes in PDF Expert
- Jump to a specific page
- Bookmark pages
- Create a table of contents in a PDF file
- Turn on the Night or Sepia theme
- Read PDF text out loud
- Keep your device awake while reading
- View two PDFs side by side
- Create a new PDF file
- Add, delete, and rearrange PDF pages
- Rename files and folders
- Recents and Favorites
- Sort files and folders by name, date, and size
- Password protect PDFs
- Save the file as flatten
- Reduce the PDF file size
- Merge PDFs
- View files using iTunes
- Manage annotated pages
- Move files and folders
- Switch between the Grid and List views
- Mark files and folders with color tags
- Open a file in PDF Expert
- Sync your PDF files through web clouds
- Sync a folder from cloud storage
- Connect to Mac or PC via SMB
- Set up sync with Mac via SFTP
- Time Capsule setup
- Share files via the Share button
- Transfer files between iOS device and desktop using Wi-Fi
- Transfer files from Safari to PDF Expert for iOS
- Transfer files between iPad and iPhone using WebDAV
- Share text with other apps
- Share files from cloud via a link
- PDF Expert Widgets in iOS14
- Turn on the Dark Mode
- Work with tabs on your iPad
- Customize the toolbar in PDF Expert for iOS
- Create your own toolset in PDF Expert for iOS
- Make PDF Expert your default PDF viewer on Mac
- Open email attachments in PDF Expert
- Keyboard Shortcuts
- Share files from cloud via a link
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Troubleshooting
- PDF Expert quits or doesn't open
- PDF Expert freezes
- All files in the app look blank on iOS device
- Annotation tools do not work
- Printing issues on Mac
- Corrupted files
- Sync issues
- Restore accidentally deleted files
- File cannot be opened
- Annotations made in PDF Expert are not visible in a third-party app
- File looks blurry
- The search results look garbled (only Mac)
- Billing & Subscription
- Contact us
File cannot be opened
If you have issues with opening one of your files in PDF Expert, please see the list of the supported file formats in PDF Expert User’s Guide available here.
Note: PDF Expert for iPad supports filling out AcroForms created in Adobe Acrobat or other similar apps and Static XFA forms created in Adobe LiveCycle. DynamicLifeCycle (XFA) forms are not supported by the application.
If the content of the file is not displayed as expected or the app cannot open the file, please send us your document at rdsupport@readdle.com (check out Readdle privacy policy here). This will prompt our Support Team to investigate the matter and get back to you with a solution as soon as possible.
In case no file can be opened or files look blank/broken, please restart the device; if the issue persists, please send this file and a crash log to us at rdsupport@readdle.com:
- Open the iOS Settings app > Privacy, scroll down and tap Analytics > Analytics data.
- Find the latest PDF Expert crash log and send it to us. We will get back to you as soon as we can.
If files open slowly, please provide us with a detailed log at rdsupport@readdle.com; try closing all tabs in the meantime. To send the detailed log:
- Open PDF Expert > Settings
> Support > enable Detailed logging toggle. - Recreate the issue.
- PDF Expert > Settings > Send Feedback.