Qoppa’s PDF Editor Now Available on NixOS Linux Distribution

Our fully-featured PDF editor PDF Studio is now available on NixOS Linux, easy to download and install as a nix package. NixOS Software helps users conserve more disk space. Now our users have another Linux distribution to use our easy-to-use PDF software to create, edit, markup, annotate, and digitally sign PDFs. We want to thank […]

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X11GraphicsEnvironment error when installing PDF Studio as root on Linux

Q: When I’m installing PDF Studio as root, there’s an error message “Could not initialize class sun.awt.X11GraphicsEnvironment”. How can I solve this issue? A: On some Linux distros such as CentOS,  the user environment variables including the display may not be passed to root. The error message you will see in the console is the […]

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Fix PDF Studio Launcher Icon for Chromebook Running Crostini

Q: After installing PDF Studio on my Chromebook running Crostini, the launcher icon is not showing correctly. How can I solve this issue? A:  This is an issue being caused by our third party installer application (Install4j) not properly setting the WM_CLASS value in the PDF Studio launcher which does not correspond to the name […]

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PDF Studio Available On More Platforms & Devices Than Any Other PDF Editor!

PDF Studio, the all-in-one, lightweight, powerful, reliable Acrobat alternative that supports all PDF features needed by end-users, is supported by more platforms and devices than any other application. See features comparison grid with Acrobat. Windows Runs on ANY device running Microsoft Windows including (but not limited to): Operating Systems Windows 32 & 64 bit versions Windows XP Windows XP […]

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Connecting a scanner on Linux

Q: I am running Ubuntu Linux, I just installed PDF Studio and I am unable to scan a document. A: In this KB article, we’re going to connect Brother MFC-L2700DW scanner on Ubuntu 16.04.3. Different scanners will have different setup, you will need to refer to the scanner manufacturer website for more details instructions. Step 1. Install the scanner driver For brother printer/scanner, […]

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Okular PDF Reader Alternative for Linux / Ubuntu / Unix

PDF Studio Viewer is a user friendly, powerful, FREE PDF viewer that works on all Linux / Unix distributions including Ubuntu, Mint, Debian, OpenSuse, Solaris, Fedora, AIX, and others. Features available in PDF Studio Viewer: PDF Studio Viewer (Free!): Review & markup PDFs (with text, graphics annotations & markups) Fill & save forms Validates digital signatures Opens […]

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Edit and Annotate PDFs on Debian 9

Q: Does PDF Studio work on Debian 9? A: Yes, PDF Studio is currently fully compatible with Debian 9 as well as previous versions back to Debian 7. We have tested PDF Studio on Debian 9 and we’re able to confirm that our PDF editing software works properly on the new Debian OS. As a user, you […]

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