FILEMANAGER has thumbnails like videostreaming service

#!/usr/bin/env bash

url="$1" dir="${2:-$(xdg-user-dir DOWNLOADS)}" : "${dir:=$HOME}"

[[ -d $dir ]] || mkdir -p "$dir"

file="$(youtube-dl --quiet
--output "$dir/%(title)s.%(ext)s" \
--exec 'echo {}'
--write-thumbnail
"$url" )"

[[ -f $file ]] && [[ -f ${img:=${file%.*}.jpg} ]]
&& thumbadder "$file" "$img" && rm -f "$img" ... https://www.youtube.com/watch?v=YBu33yJn90g