PDF Slicer is a free and open source PDF tool for Linux and Windows. Using PDF Slicer you can remove, extract, merge, rotate and reorder PDF pages in a document. This is a simple and easy to use tool. You can preview the page separately, add new document at the beginning, end or after the select page. It is released under GNU General Public Licence version 3.
Install PDF Slicer on Ubuntu Linux
PDF Slicer is available as a flatpak package from flathub. So you need to install flatpak and flathub on your system if you don’t have them. Follow below link for flatpak and flathub installation instructions. After the installation restart your system.
How to install flatpak on Ubuntu
After that open the terminal app and run below PDF Slicer flatpak installation command. You can open terminal app using the ctrl+alt+t keys or via application menu.
flatpak install flathub com.github.junrrein.PDFSlicer
You can start PDF Slicer using this flatpak command.
flatpak run com.github.junrrein.PDFSlicer
You can also uninstall it via below command.
sudo flatpak uninstall com.github.junrrein.PDFSlicer