PDF Viewer General

General questions/answers about PDF Viewer

9 articles in this collection
Written by Peter Steinberger, Christoph Mantler, and Rad Azzouz

Replies and Reviews

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

Written by Rad Azzouz
Updated over a week ago

3rd-Party Compatibility

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

Written by Christoph Mantler
Updated over a week ago

Other Platforms

What about PDF Viewer on Windows, Web, Linux?

Written by Peter Steinberger
Updated over a week ago

Non-Destructive Image Editing

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

Written by Rad Azzouz
Updated over a week ago

How to send files in support

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

Written by Peter Steinberger
Updated over a week ago

Why is PDF Viewer free?

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

Written by Peter Steinberger
Updated over a week ago

What is PSPDFKit?

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

Written by Peter Steinberger
Updated over a week ago

PDF Viewer Pro

With the Pro subscription, PDF Viewer gets even better!

Written by Peter Steinberger
Updated over a week ago

How can I annotate PDF documents?

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

Written by Rad Azzouz
Updated over a week ago