PDF Viewer FAQ

This article describes how to change the color of an existing ink annotation in PDF Viewer for Android

Use the Redaction tool to securely and irrecoverably remove sensitive text from your documents using PDF Viewer for iOS

Find out how to use your keyboard to speed up common actions

Edit PNG and JPG documents as if they were PDFs in PDF Viewer Pro.

Select two or more documents and merge them into a new PDF file.

This article describes how to add a signature in PDF Viewer for iOS

Present your PDF slides on a connected external display using PDF Viewer Pro for iOS.

Add replies to annotations and write reviews directly inside a PDF.

You can add various types of annotations to your PDFs (highlights, notes, ink drawings, images, ...)

This article describes how to move the annotation toolbar

It is automatically enabled with a Pro subscription when screen-sharing.

This article lists the file types that can be opened in PDF Viewer for iOS

You can use “Copy to PDF Viewer” in the share sheet to import PDF documents into PDF Viewer.

This article describes how to create a new folder.

This article describes how to move the annotation toolbar

Overview of the Advanced Pro Settings in PDF Viewer Pro for iOS

This article describes how to rename a document in PDF Viewer.

This article describes how to share multiple PDF documents

This article describes how to view all annotation in a PDF document.

• Open the document editor by tapping the grid button at the top right

• Make sure you are in the edit mode. To switch to the edit mode tap the edit button next to the grid button

• Tap the plus button at top left and configure the page in the visible...

• Open the document editor by tapping the grid button at the top right

• Make sure you are in the edit mode. To switch to the edit mode tap the edit button next to the grid button

• Tap and hold on a page, the drag and drop to reorder

• Save by tapping...

This article describes how to share a PDF document.

• Open the document editor by tapping the grid button at the top right

• Make sure you are in the edit mode. To switch to the edit mode tap the edit button next to the grid button

• Select one or multiple pages in the thumbnail grid. Selected pages...

This article describes how to change the color of an existing ink annotation in PDF Viewer for iOS

This article describes how you can add, edit, and remove bookmarks in PDF documents.

Add or edit PDF metadata using the Document Info View in PDF Viewer.

Use the Document Editor to copy selected pages to a different location in a document or between documents.

This article explains how to access your PDFs from a WebDAV server.

This article describes how to rotate a page of a PDF in the document editor.

This article describes how to change the page binding so PDFs can be displayed right-to-left.

This article describes which name each button has, how they look like and what they do.

Yes - it works great!

PDF Viewer can directly open PDF documents shared from other apps (email clients, file browsers, chats, ...)

It’s automatic based on the document size.

Tap Settings -> Set the desired layout

Email us the PDF you are using and explain the problem you are experiencing within the app.

Get new features before everyone else.

The title you see in the document view is extracted from the PDF metadata, if available, and may be different to the file name.

• Open the document editor by pressing the thumbnail grid icon in the action bar.

• Make sure you are in the edit mode. To switch to the edit mode you have to press the edit button at the bottom.

• The floating edit button will have changed to a...

No, there are no limits to annotations, marks or notes in any of your documents.

You can contact us right from within the app. Go into Settings and select Feedback.

Right now, only local PDF files can be accessed via the recent documents list.

Learn about the PSPDFKit SDK for iOS, Android and the Web.

A quick introduction of the Outline List and its features.

• Open the document editor by pressing the thumbnail grid icon in the action bar.

• Make sure you are in the edit mode. To switch to the edit mode you have to press the edit button at the bottom.

• The floating edit button will have changed to a...

PDF Viewer uses the standard iOS document browser from Apple’s Files app. This shows files and folders, including local files, those in iCloud Drive, and those in third-party storage providers such as OneDrive, Dropbox, Google Drive or Box.

Apple...

This article explains how to annotate documents that have been opened in PDF Viewer directly from Safari

This article describes how to take a stackshot on your iOS device.

This article explains how to get the crash log file for PDF Viewer for macOS.

If you have issues with a particular file, it helps a lot if you share it with us

This article explains some problems with third-party cloud storage providers and how to work around them.

Between October 2019 and December 2020, PDF Viewer for iOS and PDF Viewer for Mac were available as separate items on the App Store. This meant the apps needed to be downloaded separately on iOS and Mac. We wanted a single subscription to work across...

Description of how subscription is shared between iOS and Mac devices and troubleshooting techniques.

1. Trigger a sysdiagnose by simultaneously pressing and releasing both volume buttons + sleep/wake (power) button.
   Note: The sysdiagnose is triggered upon button release
.
   On an iPhone you will feel a short vibration when a sysdiagnose is successfully...

PDF Viewer implements Intents, which allows you to open PDF files programmatically.

To open a PDF file from your application, you can use this Kotlin snippet:

// Get your document URI.
val uri = Uri.fromFile(documentFile)
val mime = "application...

Cache pruning on Android is a system feature and you don't need to think about it. But there are situations when it's useful, for example:

• You want to regain used space

• You have performance issues

• PDF Viewer application misbehaves (crashing...

This article describes how the Apple Pencil Double-Tap Actions configuration set in Settings translate to the PDF Viewer app.

Learn how to PDF Viewer subscriptions work, and how to change or cancel your subscription.

This article describes how to get documents into PDF Viewer.

Difference between "Open in...", "Copy to..." and "Import to..." actions.

PDF Viewer for iOS moved to Apple's new Document Browser to allow deep system integration. This article lists known issues with it.

This guide troubleshoots an issue where document browser used in PDF Viewer does not list all your files after updating.

This article describes restrictions with the dimensions of image files.

This article explains how to move or copy a document to a different folder.

PDF supports a set of permissions that allow authors to request certain actions are disabled, such as editing, annotating, or printing documents. Due to the nature of the PDF format, these restrictions cannot be guaranteed. Some PDF readers enforce...

You can use the action extension “Create a PDF” to import PDF documents and web pages into PDF Viewer.

This article describes how to print a PDF in PDF Viewer for iOS via Airprint.

Overview of the Document Presentation Settings in PDF Viewer for iOS.

This article explains what files with the icloud file extension are and how they can be resolved to actual files

This article describes how to rotate an image annotation in PDF Viewer for iOS.

This article describes how to change the default color of an annotation tool in PDF Viewer for iOS.

Explains how to best report a bug for PDF Viewer for iOS and how to send crash reports.

What about PDF Viewer on Windows, Web, Linux?

This article describes how to set the desired language for PDF Viewer.

With the Pro subscription, PDF Viewer gets even better!

This article describes what actions to take when your subscription isn't working.

This article explains how to troubleshoot problems when iCloud Drive is not working as expected.

Steps to take when you suspect another installed application is interfering with PDF Viewer's ability to open or create documents

What to do if the documents are greyed-out and cannot be opened with PDF Viewer

Use the Redaction tool to securely and irrecoverably remove sensitive text from your documents using PDF Viewer for iOS.

This article describes what link annotations are and how to create them.

How to create new documents from templates, images, or camera photos.

In PDF Viewer, you can search for file names as well as the document content across all your folders, or even just the current directory, as required.

1. You can access the document search by tapping the magnifier icon in the action bar in PDF Viewer...

Join our TestFlight to be the first to get new features!

How to change the document's reading direction from Right to Left, and from Left to Right.

URL Scheme of PDF Viewer

This article describes how to delete a document in PDF Viewer.

Add or edit PDF metadata using the Document Info View in PDF Viewer.

Learn how to change the UI theme of the app.

When you tap an annotation, a menu bar will show up with some options. Tapping on the trash/delete icon in the menu bar will delete the selected annotation.

You can contact us right from within the app.

PDF Viewer gives you an easy way to quickly search text throughout the entire PDF document.

This article describes how to go back to a previous page after tapping a hyperlink.

How to change the font size of freetext annotations.

This article explains how to add folders to the "Favorites" section in the file system.

This article describes the multiple ways available to export pages.

Two different ways to export/share pages of a document.

This article describes how to redeem a promotion code in the App Store to get PDF Viewer 3 months for free!

This article describes how to export or share pages of a PDF document.

The new document browser in PDF Viewer 2.1 has a different folder hierarchy. This guide explains how you can access your previous files.

About the various locations where PDF Viewer can store your files.

This article describes how to change the voice that's heard when using VoiceOver, Speak Screen, and Speak Selection on iOS.

This article describes how to select and copy/share an embedded image in a PDF to work with it.

How to switch between different view modes and color themes.

This article describes how to change the thickness of an annotation in PDF Viewer for iOS.

This article describes when PDF Viewer for iOS saves the documents you have stored in the app.

PDF Viewer supports opening of PDF files from virtually any location.

This article helps how to enable storage apps like Dropbox, Google Drive, etc in the locations in PDF Viewer.

This article describes how to rotate a page of a PDF in the document editor.

Tricks and techniques how to extract text from a PDF

This article describes how to add a signature to your document.

This article explains to customers how to delete an annotation.

This article describes how to delete all annotation in a PDF document.

This article describes how to change the default save location in the document browser.

Learn how to PDF Viewer subscriptions work, and how to cancel your subscription.

You can control how TestFlight can contact you for updates.

This article describes how to create a new document.

Text-Markup annotations like Highlight, Underline and Strike out are accessible by long-pressing the highlight button in the toolbar.

You can add various types of annotations to your PDFs (highlights, notes, ink drawings, images, ...)

Link folders from your local device or SD card – for quick and convenient access to your personal files.

This article describes how to export pages and create a new document with them.

This article describes how you can add, edit and remove bookmarks in PDF documents.

This article describes compatibility with 3rd-Party apps and potential issues when using them.

This article describes how create a copy of a file in PDF Viewer.

This article describes when PDF Viewer for Android saves the documents you open in the app.

Overview of the Advanced Pro Settings in PDF Viewer Pro for Android

Flattening annotations will merge the annotations into the PDF page to make them not editable anymore

Yes - Some optional features run in the background.

This article describes how to save annotations so they can be re-used later.

This article describes how to change the appearance (default, sepia, night mode) in PDF Viewer for iOS.

Select two or more documents and merge them into a new PDF file.

Learn why we chose to give away PDF Viewer for free.