Upscayl is a free and open source image up scaler application for Linux, Windows and MacOS. Currently it supports Real-ESRGAN, REMACRI, Ultramix balanced, Ultrasharp and Digital art upscaling types and save image in png, jpg and webp file formats.Note that you will need a good GPU and hardware to upscale images. You can change app look using beautiful build-in themes.
How to Install Upscayl on Ubuntu Linux
Download Upscayl in .AppImage file format from the above download link and save it on your Downloads folder. Now in the terminal application (ctrl+al+t) run below commands one by one to run Upscayl. Here “upscayl-2.0.1-linux.AppImage” is the downloaded file name. You can change below command based on your file name.
sudo chmod +x ~ upscayl-2.0.1-linux.AppImage
If you don’t like the command-line way then simply Right Click on the downloaded AppImage and go to Properties and Check allow file to execute as program and close that windows. Now again right click and Run Upscayl.
Install Upscayl via DEB:
First download Upscayl in deb file format from the above download link and save it on your Download folder. In the terminal app run below apt install command.
sudo apt install ./Downloads/upscayl-2.0.1-linux.deb