@kamataryo/nicediff
Instant image diff tool.
Usage
$ npm install @kamataryo/nicediff -g
$ nicediff img1.png img2.png > diff.png
# If you use npx, (y/n) prevents the execution, so add -y option.
$ npx -y @kamataryo/nicediff img1.png img2.png > diff.png