imgdiff

This tool compares old and new versions of image files and generates color-coded image in a diff format.

This is based on the diff-image.
Thanks to the wonderful @murooka's go-diff-image.
Install
Binary
Get the latest version from the release page, and download the archive file for your operating system/architecture. Unpack the archive, and put the binary somewhere in your $PATH.
Usage
$ imgdiff -h
Usage: imgdiff [<option>...] <old image> <new image>
-h display help
-o string
output filename (default "diff.png")
This tool supports the following image formats.
Example
$ imgdiff -o=diff/screen.png v1/screen.png v2/screen.png
License
MIT
Author
kemokemo