I created a windows batch file that will "hide" a file into a image.
Its not much but i am going to attempt to make a ahk version.
hope yall like it 
here is the code.
@echo off
title FileToImg
:main
echo This is a simple program that hides a file in an image.
set /p file= Name of the file here:
cls
set /p img= Name of the image here:
cls
set /p fileimg= Name of the output file here:
cls
copy /b %img% + %file% %fileimg%
cls
set /p more=Any more? yes/no:
cls
if %more%==yes goto main
if %more%==no exit
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