On macOS, iTerm implements this, and they even provide a command called imgcat that works like you describe: https://iterm2.com/documentation-images.html https:

On macOS, iTerm implements this, and they even provide a command called imgcat that works like you describe: https://iterm2.com/documentation-images.html https://iterm2.com/documentation-images.html Kitty provides a similar but incompatible protocol: https://sw.kovidgoyal.net/kitty/graphics-protocol/ https://sw.kovidgoyal.net/kitty/graphics-protocol/