Steganography Tutorial in Python. Hiding a Secret Message Inside an Image #python #coding #programming  Here is how to hide a secret message inside an image using Python, with about 35 lines of code and only the Pillow library needed. In this video you will learn how images store pixel data as RGB values, how to convert text into binary using Python's built in ord and format functions, how to modify the least significant bit of a color channel without changing what the image looks like, and how to read that hidden data back out again.