text editor
テキストエディタ
Editor war
file viewer – does not change file, faster for very large files and can be more secure
hex editor – used for editing binary files
stream editor – used for non-interactive editing
https://source.unsplash.com/featured/?text-editor#.png
google.icontext editor
image text editor
define text editor
wikipedia text editor
weblio text editor
kotobank text editor
jisho text editor