A simple tool I made to offset the color channels of an image
:embed https://microstudio.io/TwiceUponATime/redirect/?to=//jsfiddle.net/c7Lwya4n/7/embedded/
I used this for the icon of Meowy's Adventure TAS. I'm not sure why the JSFiddle embedded code indentation is incorrect, but it works on the full page.
Input:
Output (red channel shifted 1 pixel left and blue channel shifted 1 pixel right):
