Aview is a free and open source command line ASCII art image viewer application for Linux. Using aview, you can, converts images into ASCII art and displays them in the terminal. It comes with zooming and un-zooming support, 3 dithering modes and you can also adjust inversion, contrast, brightness and gamma control. aview can only show files in the PNM file format by asciiview converts any file to PNM and shows the result. You can also save ASCII Art into html, text, ansi, more, less file formats.
How to Install aview on Ubuntu
To install aview on your Ubuntu Linux, run below aview apt install command.
sudo apt install aview
After the successful installation of aview, run command in below syntax. Here below command will convert the image in my Home directory to ASCII art.
Just replace child.png with your image and path. For the complete usage details run below command.