PDF Editor April Sale Discount

PDF Creator / PDF Editing Application Discount for All! Use coupon code AprilNotFool to get a 30% discount off the price of PDF Studio. With the worldwide health crisis, more users will be working from home and needing professional software to work with their digital documents. We’re hoping that this hefty discount will make it easier for […]

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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 […]

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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 […]

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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 […]

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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 […]

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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: As of version 2019, PDF Studio is not able to delete existing layers in a PDF, though this feature will soon be implemented and added to a future version. For now, as […]

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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 […]

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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 […]

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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 […]

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