CBconvert is a free and open source comic book converter application for Linux, Windows and MacOS. Using CBconvert, you can convert comics to different formats to fit your various devices. It supports CBR (RAR), CBZ (ZIP), CB7 (7Z), CBT (TAR), PDF, XPS, EPUB, MOBI file fomats and JPEG, PNG, TIFF, WEBP, AVIF, JXL, or 4-Bit BMP image file formats. It comes with rotate, adjust brightness, contrast, adjust levels, grayscale images, resize filters and option to create thumbnails from covers.
Install CBconvert on Ubuntu
To install CBconvert, you need flatpak and flathub on your system. If you don’t have flatpak and flathub on your system, run below commands to install it first and restart it after the installation.
sudo apt install flatpak
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
Now in the terminal application run below CBconvert flatpak install command.
flatpak install flathub io.github.gen2brain.cbconvert
And start CBconvert using below command.
flatpak run io.github.gen2brain.cbconvert
You can also uninstall it using below commands
flatpak uninstall io.github.gen2brain.cbconvert
sudo flatpak uninstall io.github.gen2brain.cbconvert