Untitled

@echo off
setlocal

if "%~1"=="" (
    echo Usage: decode.bat input_txt output_image
    exit /b 1
)

set input=%~1
set output=%~2

if "%output%"=="" (
    set output=decoded_image.jpg
)

certutil -decode "%input%" "%output%"

echo.
echo Done! Image saved to %output%
pause