Q: I recently upgraded my computer to Mac OS 10.15.4. When I try to scan with PDF Studio 2019, the process dialog is frozen at 100%. How can I solve this issue? A: Changes made to the latest macOS build (10.15.4) are causing the scan feature in PDF Studio 2019.2.1 and below to not work […]
Category: General
How to purchase PDF Studio when Javascript is disabled
Q: How can I purchase PDF Studio without using Javascript? A: Due to security purposes, we use Javascipt on our Buy page and upgrade page. If you’re trying to purchase PDF Studio when Javascript is disabled/not supported in your browser , you will need to follow the steps below: Send us a payment from your […]
Chromebook running Chrome OS 78 fails to launch file browser
Q: I’m using PDF Studio on my Chromebook running Crostini, it crashes when opening files on the latest Chrome OS 78 update. How can I solve this issue? A: The latest version of Crostini has removed some of the files needed for the graphical file managers available in Debian virtual machine interface. When launching the file […]
Send us Feedback about PDF Studio
If you are a user of PDF Studio – Qoppa’s advanced PDF editor – or PDF Studio Viewer – Qoppa’s free PDF Reader -, we would like to hear from you whether you would like to: Suggest a missing a feature Send us a nice comment Report a bug. When doing so, don’t forget to: Attach […]
Troubleshooting PKCS11 Signing Errors on Linux, Mac
Q: I’m seeing some error messages when setting up PKCS11, how can I solve them ? A: When you’re in the middle of setting up PKCS11 signing, you may encounter various error messages. Review the possible error messages below, together with instructions on how to resolve them. Error 1: Unknown keyword ‘Token’, line 1 It is mostly due to the […]
Deleting Layers in a PDF Document
Q: I created some layers in a PDF document that I no longer need, how can I delete these layers in PDF Studio? A: Starting in PDF Studio 2020 Pro, we have a new option to delete layers from a PDF document Click Layers icon on left panel, right-clicking on the layer that you want to […]
Use PDF Studio to view PDF files in Mozilla Firefox
Q: I want to use PDF Studio whenever I view PDF files in Firefox, is it possible? A: By default, Firefox uses its own built-in PDF reader plugin to view PDF files. You can follow the steps below to change from their default reader to PDF Studio. Note that PDF Studio will launch as an application, not […]
Expand or Minimize the Ribbon in PDF Studio
Q: How can I expand or minimize the ribbon in PDF Studio? A: Starting in PDF Studio 2019, our ribbon can be expanded or minimized. PDF Studio with Expanded Ribbon (Default Behavior) PDF Studio with Minimized Ribbon How to Minimize the Ribbon To minimize the ribbon, follow the instructions below: Method 1: Click Minimize button on […]
How to duplicate pages in a PDF document
Q: How can I duplicate some pages in a PDF? A: To duplicate pages in PDF, you can follow the steps below: – On the Pages Pane on the left (also called Thumbnail Panel), select the pages that you want to duplicate by holding Ctrl/Shift button. In our case, we want to duplicate Page 1, Page […]
Search for SSN, Phone Numbers, Email Addresses using Regular Expressions in PDF documents
Starting in PDF Studio 2019.1.0, the Advance Search feature includes a new option to search within PDF documents using regular expressions. This option can be enabled under Advance Search -> “use regular expression” checkbox. Below is some examples on how to use this option. Example 1: Search Social security numbers Open Advance Search dialog (Ctrl + […]
