XnSketch is a free image effect software for Linux, Windows and MacOS. Using XnSketch you can easily convert your photos to beautiful looking cartoons and sketches. it comes with more than 18 different effects and masks. You can also manually adjust photo effect brightness, contract, gamma, exposure, saturation, edges,colors, opacity and color.
How to Install XnSketch on Ubuntu Linux
XnSketch is available as a flatpak package file from remote flathub repository. So you need to install flatpak and flathub on your system and restart it after the installation. After that open the terminal app using ctrl+alt+t keys and run below commands to install the latest version of XnSketch image application on your system.
flatpak install flathub com.xnview.XnSketch
After the successful installation of XnSketch you can open it using this command.
flatpak run com.xnview.XnSketch
And uninstall it if you don’t like it.
sudo flatpak uninstall com.xnview.XnSketch